Property data API comparison

Property Insights as a Chimnie alternative

Chimnie charges per property record, from 5p to 25p. Property Insights charges per call on a monthly credit plan, so a single valuation or council tax lookup costs 1.25p or less. Property Insights also sends property change alerts by webhook.

  • 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 Chimnie

CapabilityProperty InsightsChimnie
Pricing modelMonthly plans from £25 for 2,000 credits to £1,150 for 500,000. Most calls cost 1 credit. Heavier calls such as flood risk, title lookups and full property profiles cost morePay as you go per property: Core £0.05, Plus £0.10, Premium £0.15, Ultra £0.25. No subscription
One valuation lookup1 credit, which is 1.25p on the smallest plan and 0.23p on the largest£0.05 for a Core record by UPRN, £0.10 with address search. A free AVM by UPRN is also available
What one request returnsOne topic per endpoint across 71 endpoints, or a combined property profileOne wide property record, with fields set by tier
Free allowance14 days with 500 test credits. Card requiredUp to £16 of free balance, no card. Free sandbox properties
Property change alertsProperty watches by UPRN, delivered to signed webhooksNone listed in their public docs
AI assistantsHosted MCP server and ChatGPT Actions on every planHosted MCP server
Titles and ownershipTitle lookup and register extraction for England and Wales, Scottish title numbers, company and commercial ownershipLease type and expiry, company ownership and overseas owner flags
Building and insurance dataRebuild cost, floor area, property attributes and EPCRebuild cost, cladding, roof analysis and building footprints on Premium and Ultra
Commercial propertyCommercial ownership with EPC and company detailsCommercial records at £0.45 each
Bulk dataCSV bulk enrichment in the dashboard, up to 5,000 rows per upload. No full-dataset filesFlat files of the full dataset by quote

Chimnie details checked on 11 November 2026 against chimnie.com/pricing, docs.propertydatagateway.com. 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 Chimnie is the better fit

Chimnie is the better fit if you want no monthly commitment, one wide record per property, insurance attributes such as cladding and roof analysis, building footprints, or a full dataset as a flat file.

Common questions

Frequently asked questions

Is Property Insights cheaper than Chimnie?

It depends on the call. A single-topic lookup such as a valuation costs 1 credit, which is 1.25p on the smallest Property Insights plan, against £0.05 to £0.10 for a Chimnie record. If you want everything about a property in one request, Chimnie's per-record price can work out lower than a full Property Insights profile.

Does Property Insights have a pay-as-you-go option?

No. Property Insights is sold as monthly credit plans starting at £25 for 2,000 credits. Chimnie is pay as you go with no subscription.

Can I get alerts when a property changes?

Yes. Property Insights lets you watch a UPRN and receive a signed webhook when something changes.

What does Chimnie have that Property Insights does not?

Chimnie returns insurance-grade building attributes such as cladding, roof analysis and building footprints, sells flat files of its dataset, and offers a free AVM by UPRN.

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.