Data source
Office for National Statistics: Price Index of Private Rents and geography lookups
The official rent index by local authority, used to validate our asking-rent index, and the geography codes that join postcodes to authorities and regions.
- Licence:
- Open Government Licence v3
- Coverage:
- UK
- Tools:
- 3
Role
What Office for National Statistics data lets a tool answer
The referee for the rent index: a month where our portal-based index and the ONS index disagree by more than a few points a year is not published. Without this check a listings-based rent index would drift unnoticed.
Terms
Licence, attribution and refresh
- Licence
- Open Government Licence v3.0
- Attribution
- Contains public sector information licensed under the Open Government Licence v3.0.
- Refresh
- Monthly, with the ONS release.
- Coverage
- UK
This page describes how MarketCode uses the data. It is not legal advice on how you may reuse what a tool returns; the tool pages say when a response carries licensed records.
Tools
Tools that read Office for National Statistics records
Resolve an area name
area_resolve()Resolve an area name or code ("Hackney", "E5") to its area_id, centroid
Derived
Models and indices built on it
These tools do not return Office for National Statistics rows; they return a MarketCode model or index computed from them. The methodology page explains each.
Asking-rent index (portal listings, ONS-validated)
asking_rent_index_series()Hedonic ASKING-RENT index for one postcode district, local authority or Great Britain, from portal lettings, 2022M01 = 100, with bands and SEs. This is the residential rent index; commercial_rent_index_series is the VOA one for commercial property.
Rank areas on a market metric
market_ranking()Rank areas against each other on a market metric — one row per area at the latest period. Defaults to turnover_rate, which is sales as a share of the stock that could have sold: the liquidity measure, as opposed to transaction count, which measures market size.
Related
Sources it is joined with
FAQ
Questions about Office for National Statistics data
What Office for National Statistics data does MarketCode use?
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The official rent index by local authority, used to validate our asking-rent index, and the geography codes that join postcodes to authorities and regions. The referee for the rent index: a month where our portal-based index and the ONS index disagree by more than a few points a year is not published. Without this check a listings-based rent index would drift unnoticed.
Which tools read this dataset?
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3 tools: Asking-rent index (portal listings, ONS-validated), Resolve an area name, Rank areas on a market metric. Each is available as an MCP tool and a REST endpoint at the same price.
Under what licence?
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Open Government Licence v3.0 The attribution we carry: "Contains public sector information licensed under the Open Government Licence v3.0." This page describes how we use the data; it is not legal advice on how you may.
How often is it refreshed, and what does it cover?
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Monthly, with the ONS release. Coverage: UK.
Is there a ONS private rents index?
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Yes, in effect: the MarketCode tools that read Office for National Statistics are the ONS private rents index most people are looking for, reachable over REST with an API key or over MCP from Claude, ChatGPT, Codex and Cursor with a sign-in.
See Office for National Statistics data answer a real address.
Thirty minutes, your property or area, every figure traced to its source.