Property App Development | Real Estate & Lettings Solutions

Expert property app developers in Kent & London. We build custom real estate apps for estate agents, property management companies, developers, and PropTech startups. From property search portals to landlord management systems.

We're property app development specialists based in Kent, serving estate agencies, property management companies, and PropTech businesses across London and the UK. With 20+ years of experience building location-based apps like Map My Tracks, we understand the technical complexity of property apps - mapping, search algorithms, data feeds, CRM integration, and real-time updates.

We build native iOS and Android property apps that help estate agents compete with portals like Rightmove and Zoopla, enable property managers to streamline tenant and landlord relationships, and help developers market new builds effectively. Whether you're an independent estate agency wanting to showcase properties without paying portal fees, a property management company needing landlord and tenant apps, or a PropTech startup building the next generation of property search, we integrate with Rightmove and Zoopla data feeds, property management systems, CRM platforms, and conveyancing software to create seamless experiences that drive viewings and improve operational efficiency.

UK estate agents spend over £1 billion annually on Rightmove and Zoopla. We build custom property apps that reduce portal dependency and give you direct customer relationships with data you own.

Tinderhouse - At a glance

Property App Development

Everything you need to know about working with us.

Experience
20+ years | Map My Tracks location expertise | Property sector specialists
Investment
£40K-£120K depending on features
Timeline
16-32 weeks from concept to launch
Technologies
iOS, Android, mapping APIs, Rightmove/Zoopla integration, CRM systems
Specialties
Property search, agent apps, landlord portals, property management, valuations
Location
Canterbury, Kent & London
MAP MY TRACKS
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Our app and website design and development expertises

AI integration specialists
Web service connections
Back-end database integration
Innovative UX/UI design

Our app and website solutions are helping businesses grow, be more efficient and sell more. Talk to us about your project. Call us on +44 (0)1227 811771.

Why choose Tinderhouse for property app development?

Here's why estate agencies, property managers, and PropTech businesses trust us to build their property applications.

Location & Mapping Expertise - Property apps are fundamentally location-based. We built Map My Tracks, a mapping and location app used by millions, so we understand GPS accuracy, map rendering, location search, and geographic data at a deep technical level. We implement property search by location with radius filtering, map views showing property pins with clustering, street view integration for virtual property tours, catchment area analysis for schools and transport, commute time calculations to major employers, and local area information (schools, shops, transport ratings). Our mapping expertise means property searches are fast, accurate, and genuinely useful for buyers and renters making location-based decisions.

Rightmove & Zoopla Integration - Most estate agencies need to integrate with major property portals. We connect with Rightmove Data Services for property feed import and export, Zoopla Property API for listings and lead management, OnTheMarket data feeds where required, and custom property data feeds from agencies' existing systems. Two-way integration means properties listed in your CRM automatically sync to portals, portal leads flow back into your system for follow-up, and updates to price or availability reflect everywhere instantly. This eliminates duplicate data entry and ensures consistency across all channels while maintaining your own branded app experience.

Property Search & Discovery - Effective property search requires sophisticated filtering and ranking. We implement multi-criteria search (location, price, bedrooms, property type, features), saved searches with automatic notifications when matching properties list, property comparison tools showing side-by-side details, mortgage calculators with affordability checks, sorting by price, date listed, or distance, and smart recommendations based on viewing history. We use algorithms that understand what "similar properties" actually means - not just matching bedrooms, but considering location desirability, price per square foot, and features buyers care about. Search is the core of property apps; we make it work brilliantly.

Estate Agent CRM Integration - Property apps need to connect with agency management systems. We integrate with major estate agency CRM platforms including Alto, Reapit, Expert Agent, Jupix, Dezrez, and PropertyBase for automatic property listing sync, lead capture and distribution, viewing scheduling and calendar management, offer tracking and pipeline management, and client communication history. Custom integration with bespoke systems is also possible via API development. The goal is a seamless workflow where agents manage everything in their CRM, but customers interact through your branded app, with all data flowing automatically between systems.

Property Management Solutions - Letting agents and property managers need tools beyond property listings. We build landlord portals where landlords can view their properties, access financial reports, track rent payments, submit maintenance requests, and communicate with property managers. Tenant apps enable rent payment tracking and reminders, maintenance request submission with photos, document access (tenancy agreements, safety certificates), communication with landlords and agents, and move-in/move-out inspection tools. Property manager dashboards provide portfolio overview across all properties, maintenance workflow management, financial reporting for landlords, compliance tracking (gas safety, EPC, deposit protection), and automated rent collection and arrears management. These systems reduce admin burden significantly while improving landlord and tenant satisfaction.

Property Valuation Tools - Instant valuation is a lead generation tool for estate agencies. We implement automated valuation models (AVM) using Land Registry data, comparable properties analysis considering recent sales in the area, property characteristics (size, bedrooms, condition, features), location factors (transport links, schools, crime rates, local amenities), and market trends showing price movement over time. Valuations can be instant (algorithm-based) or trigger agent callback for more accurate assessment. We display confidence levels so users understand valuation accuracy. Valuation tools capture quality leads - people checking property values are potential sellers, and getting their contact details early in the process is valuable for estate agents.

New Build & Development Marketing - Property developers need different features than estate agents. We build development showcase apps with 3D visualisation of completed developments, floor plans with room dimensions and furniture layouts, plot availability showing which units are sold, reserved, or available, customisation options for finishes and fixtures, virtual tours and walkthroughs of show homes, progress updates with construction photos and timelines, reservation and deposit payment systems, mortgage broker integration for buyer financing, and help to buy/shared ownership calculators. These apps help developers sell off-plan properties more effectively by giving buyers a clear vision of their future home before construction completes.

Property Viewing Management - Booking viewings efficiently improves conversion. We implement viewing calendar showing available slots, self-service viewing booking reducing agent admin, viewing reminders via push notification and email, navigation to property with integrated mapping, viewing feedback capture while property is fresh in mind, and group viewing coordination for popular properties. For agencies conducting many viewings daily, efficient scheduling and reminder systems significantly reduce no-shows and make better use of agent time. Some agencies use smart lock integration allowing self-guided viewings with time-limited access codes.

Mortgage & Financial Tools - Property apps with financial tools keep users engaged longer. We integrate mortgage calculators showing monthly payments with different deposits and interest rates, affordability calculators based on income and outgoings, stamp duty calculators with first-time buyer relief, help to buy scheme calculators showing equity loan terms, mortgage in principle applications connecting to broker APIs, and moving cost estimators (legal fees, surveys, removals). These tools provide genuine value to property seekers while capturing data about their buying position, helping agents qualify leads before showing properties.

Marketing & Lead Generation - Property apps are lead generation tools as much as property search tools. We implement property alerts for saved searches matching user criteria, push notifications for price reductions and new listings, email marketing integration for newsletters and property updates, social sharing enabling users to share properties with family/friends, referral programs encouraging recommendations, and lead scoring based on engagement, showing which leads are hot. We build analytics showing which properties get most views, where users drop off, and what searches aren't finding matches (helping agencies identify market gaps). These insights help agencies market smarter and focus on qualified leads.

Multi-Branch & Franchise Support - Property groups with multiple branches need careful structure. We build national property search across all branches, branch-specific filtering for local agencies, unified branding with branch customisation options, franchise territory management preventing branch conflicts, centralised property database with branch-specific access, and network-wide reporting for head office oversight. Whether you're a 5-branch independent group or a 200-office franchise, we ensure consistency while allowing local flexibility.

Compliance & Data Management - Property apps handle sensitive data and must comply with regulations. We implement GDPR-compliant data handling with clear consent mechanisms, right to be forgotten functionality for user data deletion, secure document storage for tenancy agreements and certificates, anti-money laundering (AML) data capture for property transactions, deposit protection scheme integration for assured shorthold tenancies, and energy performance certificate (EPC) display as legally required. We understand lettings regulations including tenant fees ban, deposit protection requirements, and right to rent checks, ensuring apps help agents stay compliant rather than creating legal risks.

Offline Functionality - Property viewings often happen in properties with poor mobile signal. We implement property details downloadable for offline viewing, saved searches accessible without connection, viewing notes captured offline and synced later, property photos cached on device, and maps with offline capability for navigation. Agents conducting back-to-back viewings need apps that work reliably regardless of signal, not apps that fail to load at the crucial moment when a buyer asks for details.

Analytics & Market Insights - Data-driven agencies make better decisions. We provide property performance analytics showing days on market, views per listing, and viewing-to-offer conversion, price sensitivity analysis indicating which properties are overpriced, market trends for areas showing price movements and demand, competitor analysis comparing your listings to similar properties, and lead source attribution showing which marketing channels deliver buyers. These insights help agencies price properties correctly, market effectively, and predict which properties will sell quickly versus those needing price adjustments.

White-Label & Partnership Opportunities - Some property businesses want white-label solutions. We build white-label property search that can be branded for multiple agencies, partnership platforms connecting agents, solicitors, and mortgage brokers, portal aggregation bringing Rightmove, Zoopla, and OnTheMarket into one search, and PropTech platforms for property technology businesses. If you're building a property business that serves multiple agencies or aggregates property data, we create the technical infrastructure while you focus on business relationships and market development.

Proven Track Record - Tinderhouse has 20+ years of experience building location-based and data-intensive applications. We built Map My Tracks with sophisticated mapping and location features used by millions. We understand data integration, API complexity, and user experience design for search-based applications. When you work with us, you're not getting developers learning property tech on your project; you're getting experienced professionals who understand both the technical challenges and the business requirements of property applications. Learn more about why property businesses trust Tinderhouse for their app development needs.

Our approach to property app development

Discovery & Requirements

We start by understanding your business model and users. Are you an estate agency wanting to reduce portal dependency? A property manager needing landlord and tenant tools? A PropTech startup building something new? Through workshops, we define user types (buyers, renters, sellers, landlords, tenants, agents), core workflows (search, viewing, offer, letting, management), existing systems requiring integration (CRM, property management, accounting), and data sources (Rightmove, Zoopla, Land Registry, your existing database). We map out the property journey and identify where your app adds value, whether that's better search, streamlined viewings, or comprehensive property management.

Data Architecture & Integration Planning

Property apps live or die on data quality and integration. We design property database schema supporting all property types and attributes, plan integration with portal feeds (Rightmove, Zoopla, OnTheMarket), connect to your estate agency CRM for seamless data flow, integrate mapping and location services (Google Maps, Mapbox), and establish data update frequency ensuring listings stay current. We address technical challenges like duplicate property handling, data normalisation from multiple sources, image optimisation for fast loading, and search indexing for performance. Getting data architecture right from the start prevents painful migrations later.

Property Search UX Design

Property search is complex - users have many criteria but want simplicity. We design search interfaces that are comprehensive but not overwhelming, filters that reflect real buyer priorities not just database fields, map views that perform with thousands of property pins, detail pages that answer questions before users ask them, and comparison tools that highlight meaningful differences. We test search UX with real property seekers to ensure it actually helps them find properties they want to view, not just returns technically accurate results that miss the mark. Good search feels intuitive; great search anticipates what buyers need to know.

Development & CRM Integration

Our development phase focuses on reliable integrations and performance. We build native iOS and Android apps for optimal user experience, implement robust API integrations with CRM and portal systems, optimise mapping and image loading for mobile data usage, create admin dashboards for property and content management, and handle edge cases (properties with unusual attributes, data feed failures, concurrent updates). We use continuous deployment so agencies can see progress throughout development. Testing covers property data accuracy, search result relevance, integration reliability, and performance under load (property apps get traffic spikes when hot properties list).

Agent Training & Rollout

Property apps succeed when agents actually use them. We provide agent training on how the app works and benefits customers, admin training for property upload and management, documentation for common tasks and troubleshooting, phased rollout starting with enthusiastic branches, and feedback loops capturing agent and customer input. We often launch with a beta group of active property seekers who provide detailed feedback before full public launch. Getting agent buy-in is critical - if agents don't recommend the app to customers, adoption will be slow regardless of how good the technology is.

Marketing Integration & Launch

We coordinate property app launches with your marketing including App Store and Google Play optimisation with property-specific keywords, property listings integrated with existing marketing (email, website), QR codes for property boards and brochures driving app downloads, social media campaigns promoting app-exclusive features, and PR around launch ("Local agency launches app competing with Rightmove"). First impressions matter; launching with strong property inventory and clear value proposition drives downloads and usage.

Performance Monitoring & Optimisation

Post-launch, we monitor what's working and what needs improvement. Analytics show most-searched locations and price ranges, popular properties and common viewing patterns, where users drop off in the search-to-viewing journey, lead conversion rates by property type and location, and app performance metrics (load times, crash rates, API failures). We run A/B tests on search filters, property card designs, and conversion funnels to continuously improve performance. Property markets change; apps need ongoing optimisation to stay relevant and useful.

Ongoing Development & Feature Expansion

Property apps evolve based on market changes and user needs. Common enhancements include new property types as portfolios expand, additional search filters based on user requests, enhanced valuation tools with more data sources, mortgage and moving cost calculators, and integration with new services (solicitors, surveyors, removals). We provide flexible support models from monthly retainers to per-feature development, allowing you to grow the app as your business grows.

Our property app development credentials

  • 20+ years experience: Building location-based and data-intensive applications
  • Map My Tracks: Mapping and location app proving our geographic expertise
  • Data integration specialists: Rightmove, Zoopla, CRM systems, and property databases
  • Property sector knowledge: Understanding estate agency, lettings, and PropTech
  • Portal alternative experience: Building search that competes with major portals
  • UK-based team: Canterbury, Kent and London, serving property businesses nationally

Frequently asked questions

Property app development in the UK typically costs £40,000-£120,000 depending on features and complexity. Basic property search apps with listing display and simple filtering cost £40K-£60K, comprehensive estate agent apps with CRM integration, viewing booking, and valuation tools cost £70K-£90K, and property management platforms with landlord portals, tenant apps, and financial reporting cost £90K-£120K.

Cost factors include platform coverage (iOS and Android adds 60% vs single platform), Rightmove and Zoopla integration (API access £15K-£25K for licensing and development), CRM integration complexity (major platforms £10K-£20K, custom systems £20K-£40K), mapping and location features (basic maps £5K, advanced location search £15K-£25K), and property management features (landlord portals £20K, tenant apps £15K, financial reporting £10K).

Ongoing costs include Rightmove/Zoopla data feed subscriptions (£500-£2K/month depending on property volume), mapping API usage (£200-£1K/month depending on searches), hosting and infrastructure (£300-£1.5K/month), maintenance and updates (£2K-£6K/month), and feature development (£8K-£15K per significant feature). We provide transparent fixed-price quotes after understanding your property portfolio, integration requirements, and user base.

Property app development timelines vary by scope and integration complexity. Basic property search apps take 16-20 weeks, comprehensive estate agent apps with CRM integration take 24-28 weeks, and property management platforms with landlord and tenant portals take 28-36 weeks.

Our process includes 2-3 weeks discovery including property data audit and CRM evaluation, 3-4 weeks UX design focused on property search and discovery, 12-20 weeks development including portal integration, CRM connectivity, and mapping features, 3-4 weeks CRM and portal integration testing with real data, 2-3 weeks user testing with estate agents and property seekers, 1-2 weeks App Store submission and portal API approval, and 2 weeks launch support including agent training and initial monitoring.

Add 4-6 weeks for Rightmove/Zoopla data feed approval and integration, 4-8 weeks for complex CRM integrations with custom workflows, and 4-6 weeks for property management features with financial reporting. Property apps require more integration than typical apps, so timelines account for third-party approval processes and data migration. Our agile approach delivers working features every two weeks for early testing.

Yes, we integrate with Rightmove Data Services and Zoopla Property APIs. Rightmove integration includes property feed export sending your listings to Rightmove automatically, data feed import retrieving listings from Rightmove for agencies wanting to display other agencies' properties, lead management capturing enquiries from Rightmove and routing to your CRM, and property updates keeping price, availability, and details synchronized. Zoopla integration includes similar capabilities plus access to property valuation data and market insights.

Integration requires portal API licenses (Rightmove Data Services from £500/month, Zoopla from £300/month, pricing varies by property volume and data access level). We handle the technical implementation including data mapping, error handling when feeds fail, duplicate detection, and update scheduling. Most agencies use two-way integration where properties upload from their CRM to portals, and portal leads flow back into the CRM for follow-up.

Beyond major portals, we integrate with OnTheMarket, PrimeLocation, and niche portals depending on your marketing strategy. We can also build portal aggregation features showing properties from multiple sources in one search, similar to how property portals themselves aggregate agency listings. Integration with Land Registry for sold prices and property ownership data is also possible for valuation and market analysis features.

Yes, we integrate with major estate agency CRM platforms. Supported systems include Alto (formerly Veco) widely used by independent agencies, Reapit Agency Cloud for mid-sized and large agencies, Expert Agent popular with smaller agencies and lettings specialists, Jupix used by national chains and franchises, Dezrez for property management and lettings focused businesses, PropertyBase for commercial property, and custom or bespoke systems via API development.

Integration includes automatic property listing synchronisation keeping your app and CRM in sync, lead capture routing app enquiries to the correct branch and agent, viewing booking syncing appointments to agent calendars, offer management tracking offers and chains through to exchange, and applicant matching automatically suggesting properties to registered buyers. Two-way integration means updates in either system reflect everywhere, eliminating duplicate data entry and ensuring consistency.

For agencies without modern CRM systems, we can build basic property management functionality into the app, but we generally recommend implementing a proper CRM first as this benefits your entire agency operation beyond the app. We help evaluate and select appropriate CRM systems if needed, ensuring the technology stack works together effectively.

Property search has unique challenges compared to typical product search. Location is paramount - users search by area, street, postcode, school catchment, or commute time to work, requiring sophisticated geographic search and mapping. Property attributes are complex with dozens of filtering options (bedrooms, bathrooms, garden, parking, period features, EPC rating) that must be searchable but not overwhelming.

Property search intent varies significantly between buyers, renters, investors, and sellers requiring different user experiences and filtering priorities. Visual presentation is critical with high-quality photos, floor plans, and virtual tours heavily influencing whether users enquire. Saved searches and alerts are essential as property seekers search repeatedly over weeks or months, not one-time like product purchases.

Property data quality varies enormously across sources - inconsistent naming (flat vs apartment), missing data (no floor plan), duplicate listings (same property on multiple portals), and outdated information (sold months ago but still showing). We implement data normalisation, duplicate detection, and quality scoring to present clean results despite messy underlying data. Our Map My Tracks experience with location search directly translates to property search complexity.

Yes, we build comprehensive property management solutions. Property management apps require three user types with different needs. Landlord portals allow landlords to view their property portfolio with financial performance, access statements and invoices with annual tax summaries, track rent payments and arrears across properties, submit and track maintenance requests with cost approvals, view safety compliance certificates (gas, electrical, EPC), and communicate with property managers about tenant issues.

Tenant apps enable rent payment with automatic reminders before due date, maintenance request submission with photos and urgency levels, document access for tenancy agreements and safety certificates, direct communication with landlords and property managers, and move-in/move-out inspection reports with photo evidence. Property manager dashboards provide portfolio overview across all managed properties, maintenance workflow from request to completion, financial reporting with rent collection rates and arrears, compliance tracking ensuring all certificates are current, automated rent collection with late payment follow-up, and tenant referencing integration with credit check services.

These systems dramatically reduce admin burden - property managers spend less time chasing rent, updating landlords, and managing paper documents, freeing capacity to manage more properties. Integration with accounting systems (Xero, QuickBooks) for financial data and property management platforms (Arthur, Goodlord, Vouch) is typical. Property management apps typically cost £70K-£120K depending on portfolio size and integration complexity.

Property valuation tools use automated valuation models (AVM) combining multiple data sources. We integrate Land Registry sold price data showing actual transaction prices for comparable properties, property listing data from portals showing current asking prices, property attributes from Energy Performance Certificates (address, size, construction, features), location factors including transport links, school catchment areas, crime rates, and local amenities, and market trends showing price movements over time periods.

Algorithms weight comparable properties based on similarity (same property type, similar size, same postcode sector), adjust for property-specific features (garage, garden, condition), account for time (properties sold 2 years ago adjusted for market movement), and produce valuation range with confidence level. We show assumptions transparently so users understand why valuations differ from expectations and can provide corrections for unusual property features.

Valuations serve two purposes - providing instant value estimates to property owners considering selling (lead generation for estate agents) and helping buyers assess if asking prices are reasonable (decision support). We implement valuation capture forms requiring contact details before showing estimates, turning valuations into qualified leads for estate agents. Accuracy varies - terraced houses in urban areas achieve 85-90% accuracy, unique rural properties much lower, so we always show confidence levels and recommend professional valuation for accuracy.

Property developers need different features than estate agents. New build marketing apps showcase developments before completion with 3D visualisation showing finished buildings and landscaping, floor plans for each unit type with dimensions and furniture layouts, plot availability showing which units are sold, reserved, or available in real-time, customisation options for finishes, fixtures, and upgrades, virtual tours and 360-degree walkthroughs of show homes, progress updates with construction photos and timeline milestones, and surrounding area information about local amenities and transport.

Sales process features include reservation systems with deposit payment, mortgage broker integration helping buyers secure financing, help to buy and shared ownership calculators for government schemes, plot comparison showing differences between available units, and purchase journey tracking from reservation through exchange to completion. These tools help developers sell off-plan properties more effectively by giving buyers confidence about their purchase before construction completes.

We also build internal tools for sales teams including availability management updating when units sell, customer relationship management tracking buyer interactions, sales reporting showing which unit types and price points sell fastest, and marketing analytics measuring which channels drive enquiries. Property developer apps typically cost £50K-£100K depending on development size and feature sophistication. The investment is worthwhile for developments with 50+ units where streamlining sales and reducing uncertainty for buyers accelerates sell-through rates.

Property apps often need to aggregate data from multiple sources creating data quality challenges. We implement data normalisation converting inconsistent formats (flat vs apartment, 2-bed vs two bedroom) to standardised values, duplicate detection identifying same property listed by multiple agencies or appearing in multiple feeds, data enrichment adding missing information from secondary sources, quality scoring rating data completeness and reliability, and conflict resolution when different sources provide different data for the same property (which price is correct?).

For apps displaying properties from Rightmove and Zoopla feeds, we merge data carefully showing property once with clear source attribution, handling cases where asking price differs between portals, and refreshing regularly as properties sell and new listings appear. For agencies showing their own properties, we validate data completeness before publishing (photos, floor plans, EPC, description) to maintain quality standards.

We implement update scheduling balancing data freshness with API rate limits, error handling when feeds fail or data is corrupted, versioning tracking when property details change, and audit trails showing what changed and when. Property data is dynamic - prices change, properties sell, features are updated - so robust data management is critical for maintaining app credibility and usefulness.

Successful property apps balance comprehensive search with simplicity, provide genuine value beyond what portals offer, and integrate seamlessly with agents' existing workflows. Critical success factors include data quality with complete, accurate, current property information preventing user frustration, search performance returning relevant results instantly without overwhelming complexity, visual appeal with high-quality photos and clear layout encouraging property exploration, and reliable integrations ensuring CRM, portals, and app stay synchronised automatically.

From estate agency perspective, success means lead generation capturing quality buyer and seller enquiries, reduced portal dependency building direct customer relationships, operational efficiency streamlining viewings and communications, and competitive advantage differentiating your agency from competitors. Apps that drive genuine business value get promoted by agents to customers; apps treated as marketing afterthoughts get minimal adoption regardless of technical quality.

We've learned property apps fail when they're built as replicas of portal search without differentiation (why use your app vs Rightmove?), they don't integrate with CRM forcing duplicate data entry agents hate, they launch with incomplete property inventory making search pointless, or they neglect agent needs focusing only on buyer experience. Success requires alignment between what customers want (great search and property information), what agents need (lead capture and workflow integration), and what's technically feasible within budget and timeline. We help you navigate these tradeoffs to build property apps that achieve business objectives, not just technical ones.

Some of our latest work

Check out what our clients say about working with Tinderhouse.