Release intelligence

The evidence,
edition by edition.

Each briefing separates new evidence, comparable local readings and changes in collection quality. The archive grows with the release series; conclusions do not get ahead of it.

Latest edition

22 October 2026

5 approved releases support comparison, not a market trend claim.

Dated market states50,189,414+8,438,398 since the prior release
Comparison-ready areas341of 361 local authorities
Grid completion99.45%current fixed-grid release
Series maturity5 / 6comparison releases toward trend monitoring

Quality gate

Compare only the areas that pass the gate.

An area can be compared only when both releases use the same method, are at least 90% complete, completion shifts by no more than 5 percentage points and the baseline contains at least 20 allocated records.

Minimum completion
90% in both releases
Maximum completion shift
5 percentage points
Minimum baseline
20 allocated current records
Withheld this edition
20 local authorities