Notices
Announced changes to Yappman Data products and Actors. Schema and coverage changes are announced 30 days ahead.
UK Shelf-Price IndexRestarts at week 42
UK shelf-price index: the series restarts at week 42
Week 41 has no complete data and is skipped. Week 42 is the new base (100), and the first weekly change is published for week 43.
Posted 12 October 2026
UK Supermarket Price ScraperShips no earlier than 7 November 2026
Default retailers change
A run that does not set retailers will search all five retailers instead of Aldi and Sainsbury's.
Posted 8 October 2026
UK Supermarket Price ScraperShips no earlier than 4 November 2026
matchKey changes
Unit words are written in the singular and pint-sized volumes in pints; rows also carry matchKeyV1 for one release.
Posted 5 October 2026
UK Property ListingsShips no earlier than 5 November 2026
Sold-prices mode changes in version 0.3
Sold prices will come from our own monthly copy of HM Land Registry's Price Paid Data, one row per sale.
Posted 5 October 2026