UK Property Data API for Estate Agents
PropTech & AI Applications

Access millions of UK property records, landlord data, and market insights through a single API — built for lead generation, market analysis, and scalable property platforms.

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Best for: estate agents, property marketing platforms, proptech companies, and AI-driven property tools

What you can build

The Propalt API is used by estate agents, proptech platforms, and data teams to power a wide range of property-driven applications.

For Estate Agents

/Identify landlords likely to sell or switch agents
/Generate valuation leads automatically
/Build highly targeted outreach campaigns
/Prioritise high-opportunity properties

For PropTech Platform

/Power property search and analytics tools
/Enrich internal data with ownership and portfolio insights
/Build smarter user experiences with real-time property data
/Create scalable property data products

For Property Investors

/Analyse local markets and investment opportunities
/Track ownership, rents, and transaction history
/Identify off-market deals and portfolios
/Monitor market trends across regions

For Data & AI

/Train models on real UK property data
/Build automated valuation models (AVMs)
/Create market intelligence dashboards
/Power AI-driven property recommendations

Why Choose Propalt API

Propalt is built specifically for teams that need more than just basic property data.

Combines property data with landlord and portfolio intelligence
Designed for lead generation, not just research
Built for estate agents, proptech, and growth-focused teams
Built for estate agents, proptech, and growth-focused teams

"Unlike traditional property data APIs, Propalt focuses on identifying opportunities — not just describing the market."

What the Propalt API Does

From PropTech startups to enterprise platforms — teams across the UK rely on Propalt's API for accurate, real-time property intelligence.

Access property ownership and landlord data

Analyse sales and lettings market trends

Identify high-value opportunities and prospects

Enrich your CRM or platform with property intelligence

Data Available via the API

Property data (addresses, listings, transactions)
Landlord and ownership data
Portfolio and investor data
Market signals (likely-to-sell insights)

Place & Area

Physical property data and EPCs

/place-area
Retrieve a place record by ID or postcode, enriched with average property floor areas by type.
/get-nearby-school
Find the 20 nearest schools to a postcode or lat/lng location, with full school details.
/get-brandboard
Retrieve broadband availability, speed, and usage data for a place by ID or postcode.

Property

/get-properties
Retrieve properties by outward code or full postcode, with optional UDPRN filtering and pagination.
/get-property-detail
Retrieve detailed property information by property_id, uprn, or udprn.
/get-epc-fabric-by-property-id
Retrieve EPC fabric data (energy performance, building characteristics, costs) by property_id.
/get-epc-fabric-by-postcode
Retrieve EPC fabric data (energy performance, building characteristics, costs) by postcode.

Market & Analytics

/get-analysis-data
Retrieve regional analysis data (property characteristics, energy costs, dwelling counts) by postcode outward code.
/get-quarterly-market-analysis
Retrieve quarterly market analysis data (listings, sales, prices, SSTC times, reductions) by postcode outward code.
/get-monthly-market-analysis
Retrieve monthly market analysis data (listings, sales, prices, SSTC times, reductions) by postcode outward code.
/get-distribution-graph-data
Get selling valuation distribution graph data for a postcode outward code.

Market Activity

/get-hpi
Retrieve UK House Price Index data for a postcode at Authority or Region geographic level.
/get-listings
Retrieve property listing events with flexible filtering by postcode, listing type, event progress, date ranges, price, and property features.
/get-sold-properties
Retrieve sold property records by outward code or full postcode.
/get-property-history
Retrieve full event history for a property by property_id.

Organisation

/get-leaseholds
Retrieve leasehold records for a property by property ID.
/get-agent
Retrieve estate agent branches by first_postcode or brand_id with pagination.

MCP

/mcp
Propalt MCP tools

Comparables

/get-comparable
Retrieve comparable properties from the external comparables API.
/get-comparable-by-property-id
Look up property features by property_id, merge with client overrides, and retrieve comparable properties.

Get Valuation By Property ID

/get-valuation-by-property-id
Look up property features by property_id, merge with client overrides, and retrieve AVM valuation.

Address Search

/lookup
Dispatch address search to Typesense, postcode lookup, partial postcode, or authority lookup.

Other endpoints

/ping
Health check — verifies the API is up and the database is reachable.

How the API Works

1

Connect to the Propalt API

Secure authentication with API keys

2

Query property, landlord, or market data

Using RESTful endpoints

3

Using RESTful endpoints

Clean, actionable data formats

4

Build applications, dashboards, or automations

Build applications, dashboards, or automations

Designed for fast integration and scalable use across platforms.

Who Uses the Propalt API

Estate agents and letting agents
Property marketing platforms
PropTech companies
Property analytics platforms
AI and data science teams

Best For

The Propalt API is best for:

UK property data with landlord intelligence
Lead generation and prospecting tools
Estate agency growth platforms
AI-driven property insights and automation

Trusted by Property Professionals

“"Propalt has transformed how we generate valuation leads and identify opportunities."”

Director of Growth

Tier-1 UK Estate Agency Group

Ready to build?

Join hundreds of developers and companies using Propalt's API to power their property applications.

Get in touch

Flexible pricing for scale

Choose the tier that fits your application's appetite. Upgrade or downgrade anytime as you grow.

25K/month

£199/mo

Perfect for hobby projects and testing your integration logic.

25,000 API calls/month
Core endpoints
Small project / prototypes
Email support
Start building
MOST POPULAR

100k/month

£499/mo

Built for growing PropTech startups and high-traffic applications.

100,000 API calls/month
Broader endpoints
Early production usage
Standard support
Get Pro Access

Enterprise

Custom

Full-scale data solutions for institutions and market leaders.

Custom volume & rate limits
Dedicated account manager
99.9% uptime SLA
Full data lake access
Contact Sales