Property data API comparison

Property Insights as a PropertyData alternative

Both are UK property data APIs sold on monthly credit plans. Property Insights costs less at each matching plan size, allows more requests per minute and sends property change alerts by webhook. PropertyData has more listings and development data.

  • 71 endpoints on every plan
  • From £25 a month
  • MCP server and webhooks included
  • 14-day trial · 500 credits

Read the API documentation · Comparison checked on 11 November 2026. Provider features and pricing can change.

At a glance

Property Insights vs PropertyData

CapabilityProperty InsightsPropertyData
2,000 credits a month£25 a month£30 a month (API 2k)
15,000 credits a month£88 a month£100 a month (API 15k)
300,000 credits a month£699 a month£800 a month (API 300k)
Rate limit30 req/min on the smallest plan, 130 req/min at 300,000 credits12 requests per 30 seconds on the smallest plan, 60 per 30 seconds at 300,000 credits
Free trial14 days with 500 test credits. Card required14 days, capped at 500 API credits
Property change alertsProperty watches by UPRN, delivered to signed webhooksNo webhooks or change feeds. Their docs say alerts are built by polling
AI assistantsHosted MCP server and ChatGPT Actions on every planRemote MCP server billed in the same credits
ValuationsSale valuation with range and confidence, rental valuation and sold comparables. Valuations cover England and WalesSale, rental, HMO, historical and commercial valuation endpoints
Listings and asking pricesNot offered. No live listings or asking pricesAsking prices, asking rents, demand and sourcing lists built from portal listings
Titles and ownershipTitle lookup and register extraction for England and Wales, Scottish title numbers, company and commercial ownershipTitle, freeholds, titles by company and Land Registry documents
Development toolsRebuild cost and renovation uplift calculatorBuild cost, development GDV, development calculator and plan analysis

PropertyData details checked on 11 November 2026 against propertydata.co.uk/api/pricing, propertydata.co.uk/api, propertydata.co.uk/llms-full.txt. Prices exclude VAT.

Why teams switch

Why teams choose Property Insights

Public prices, one plan

Plans run from £25 for 2,000 credits to £1,150 for 500,000. Every plan can call every endpoint.

71 endpoints on one key

Valuations, sold prices, EPC, council tax, titles, planning, flood and ground risk, crime, schools and demographics, all keyed to the same UPRN.

Property change alerts

Watch a UPRN and receive a signed webhook when something changes, so you do not have to poll.

Works with Claude and ChatGPT

A hosted MCP server and ChatGPT Actions are included on every plan and bill from the same credits.

A fair comparison

When PropertyData is the better fit

PropertyData is the better fit if you need asking prices and rents from live listings, HMO room rents, development appraisal endpoints, or their investor web app alongside the API.

Common questions

Frequently asked questions

Is Property Insights cheaper than PropertyData?

At matching plan sizes, yes. 2,000 credits a month costs £25 with Property Insights and £30 with PropertyData. 300,000 credits costs £699 against £800. Each provider weights its endpoints differently, so price your own mix of calls on both.

Can I get alerts when a property changes?

Yes. Property Insights lets you watch a UPRN and receive a signed webhook when something changes. PropertyData's API has no webhooks or change feeds, so the same result needs polling.

What does PropertyData have that Property Insights does not?

Listings data. PropertyData returns asking prices, asking rents, demand figures and sourcing lists taken from the property portals, plus development appraisal endpoints. Property Insights does not provide live listings.

Do both work with Claude and ChatGPT?

Yes. Both run a hosted MCP server. Property Insights includes its MCP server and ChatGPT Actions on every plan.

Is there a free trial?

Yes. Property Insights has a 14-day trial with 500 test API credits. A card is required and the plan starts when the trial ends unless you cancel.

Try it on your own properties

500 test credits, every endpoint, 14 days.

Run the calls you make today against Property Insights and compare the responses and the cost.