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Corrections and financial methodology

Evidence checked 13 September 2026

This page records substantive corrections completed on 14 September 2026. It describes changes in the site’s evidence and wording; it does not certify every historical claim on the site.

What was corrected

How to read financial figures

  • Borrowing: money owed to lenders at a stated date. It is not automatically a loss.
  • Loan facility: an authorised limit. Actual advances, repayments and outstanding balances need separate records.
  • Valuations and losses: book-value falls, cash losses on sale and estimated non-recovery are different measures. A company loan and its underlying development cost may overlap.
  • Debt service: distinguish interest, fees and minimum revenue provision (the statutory revenue provision for capital financing). Do not treat all of these as cash interest or count costs already deducted from net rent twice.
  • Repayments: a commitment, refinancing discount, sale price and net cash available to repay borrowing are different stages or measures.
  • Comparisons: use the same period and accounting basis. Mixed-date historical figures cannot establish a current combined debt total. Population and household denominators must be dated and sourced before presenting per-person figures.

Calculator assumptions

The scenario starts at the reported £2.16bn balance at 31 March 2025. It optionally subtracts £500m and multiplies the remaining debt by a user-selected annual rate. The default 4% is illustrative. All other transactions are held constant; this is not a forecast, the actual interest bill or personal liability. Surrey borrowing at March 2025 (26 August 2025).

Older project estimates remain historical research and need their underlying records to be interpreted. A review date applies to the specified update, not every sentence on a page. An unknown value is displayed as unknown, not zero.

See the recovery tracker and about this site.