Primary sources used across this site

Every numeric claim on this site cites the primary source via an inline chip. This page is the consolidated register, with last-verified dates.

Oliver Wakefield-Smith

Founder · Digital Signet

Verified for Phase 4 / Phase 5 watch · refresh expected on Phase 5 window opening

Salix Finance

Public Sector Decarbonisation Scheme - verified 22 Jun 2026.
About Salix Finance - verified 22 Jun 2026.

DESNZ

PSDS collection - verified 22 Jun 2026.
PSDS grant conditions - verified 22 Jun 2026.
Phase 3 funded projects - verified 22 Jun 2026.
Phase 4 funded projects - verified 22 Jun 2026.
LCSF grant conditions (closed) - verified 22 Jun 2026.
Warm Homes Plan - verified 22 Jun 2026.
Display Energy Certificates for public buildings - verified 22 Jun 2026.
Local Net Zero Hubs - verified 22 Jun 2026.
PPA guidance - verified 22 Jun 2026.

DfE

DfE Renewal & Retrofit programme - verified 22 Jun 2026.
Condition Improvement Fund - verified 22 Jun 2026.
CIF guidance - verified 22 Jun 2026.
School Rebuilding Programme - verified 22 Jun 2026.

GB Energy

GB Energy schools solar - verified 22 Jun 2026.

LGA and CCS

Re:Fit framework (LGA) - verified 22 Jun 2026.
CCS Building Modernisation RM6238 - verified 22 Jun 2026.

HM Treasury

HMT Spending Review - verified 22 Jun 2026.

Refresh policy

Every source carries a verified date. Refresh is triggered on any Phase 5 announcement, or quarterly otherwise. Page footers show the last-verified stamp.