Public prices, one plan
Plans run from £25 for 2,000 credits to £1,150 for 500,000. Every plan can call every endpoint.
Property data API comparison
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.
Read the API documentation · Comparison checked on 11 November 2026. Provider features and pricing can change.
At a glance
| Capability | Property Insights | Chimnie |
|---|---|---|
| Pricing model | Monthly 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 more | Pay as you go per property: Core £0.05, Plus £0.10, Premium £0.15, Ultra £0.25. No subscription |
| One valuation lookup | 1 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 returns | One topic per endpoint across 71 endpoints, or a combined property profile | One wide property record, with fields set by tier |
| Free allowance | 14 days with 500 test credits. Card required | Up to £16 of free balance, no card. Free sandbox properties |
| Property change alerts | Property watches by UPRN, delivered to signed webhooks | None listed in their public docs |
| AI assistants | Hosted MCP server and ChatGPT Actions on every plan | Hosted MCP server |
| Titles and ownership | Title lookup and register extraction for England and Wales, Scottish title numbers, company and commercial ownership | Lease type and expiry, company ownership and overseas owner flags |
| Building and insurance data | Rebuild cost, floor area, property attributes and EPC | Rebuild cost, cladding, roof analysis and building footprints on Premium and Ultra |
| Commercial property | Commercial ownership with EPC and company details | Commercial records at £0.45 each |
| Bulk data | CSV bulk enrichment in the dashboard, up to 5,000 rows per upload. No full-dataset files | Flat 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
Plans run from £25 for 2,000 credits to £1,150 for 500,000. Every plan can call every endpoint.
Valuations, sold prices, EPC, council tax, titles, planning, flood and ground risk, crime, schools and demographics, all keyed to the same UPRN.
Watch a UPRN and receive a signed webhook when something changes, so you do not have to poll.
A hosted MCP server and ChatGPT Actions are included on every plan and bill from the same credits.
A fair comparison
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
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.
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.
Yes. Property Insights lets you watch a UPRN and receive a signed webhook when something changes.
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.
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
Run the calls you make today against Property Insights and compare the responses and the cost.