Every figure on this site traces to a public, free-to-access primary source. We do not use paywalled publications as primary evidence. Where a feed is scraped rather than pulled from a stable API, we publish the endpoint and the parse script for review.
Equal-weighted composite of Persimmon, Barratt Redrow, Taylor Wimpey, Berkeley, Vistry. No free daily bulk feed; data editorially curated from public last-close quotes. Licence: individual issuer closing prices are public domain; the composite calculation is ours.
EIA Open Data API requires a registration key; the canonical daily series is also available as XLS which is not parseable from a Cloudflare Worker. Fixture-backed, refreshed weekly from the public HTML table. Licence: EIA data is U.S. public domain.
Headline Services PMI index. Press releases are public; the underlying series is licensed to S&P Global. We mirror only the monthly headline figure -- fair-dealing summary use.
Transferred from GfK to NIESR in 2025. Headline index published monthly as a press release; sub-indices are subscription-gated. Fixture-backed, headline-only.
Monthly residential survey. Headline balances in each month's press release are public; the full back-set is subscription-gated. Fixture-backed with the headline net price balance.
Contextual reference only.
Contextual reference only.
Contextual reference only.
These organisations publish analyses that inform the methodology, the editorial notes, and the timeline, but their outputs are not used as primary data inputs.