LTGDV Calculator

LTGDV is loan to gross development value. Q2-2026 senior development debt typically caps at 60 to 65 percent LTGDV. LTC (loan to cost) caps at 75 to 80 percent. Either constraint can bind first. The workbench shows both.

How sizing works

Senior facility = GDV x LTGDV cap. Equity gap = total costs minus senior debt. If the equity gap exceeds your stack, mezz or pref equity bridges it but at 12 to 18 percent.

Which cap binds

On schemes where GDV is high relative to cost (premium new build), LTC binds first. On schemes where GDV is thin relative to cost (heavy refurb in low-value areas), LTGDV binds first.

Inputs
MAX LAND BID£106,489At 20% profit on cost, 9 units, 950 sqft GIA each.
MARGINAL
GDV£3,088,688
Build cost£1,826,937
Prof fees£219,232
s106/CIL/BNG£108,000
Contingency£161,563
Finance interest£164,996
Target profit£496,146
Total costs (excl land)£2,480,729
Senior debt @ LTGDV£2,007,647
PoC19.4%
PoGDV16.2%
LTC77.6%
Sensitivity (PoC %)
Build -5%Build +5%Build +10%Build +15%Build +20%
GDV -15%11%1%-3%-7%-11%
GDV -10%18%7%2%-2%-6%
GDV -5%19%13%8%4%-1%
GDV 0%19%19%14%9%5%
GDV +5%18%19%19%14%10%

Cells show profit-on-cost percentage at each GDV stress / build-cost shock pair. Cells below your target PoC turn amber-warm; cells below 10 percent abort.

UK Finance data and research· Q1 2026Appraisal model reviewed by Oliver Wakefield-Smith (data integrity) with chartered-surveyor (MRICS) and CTA tax review. No affiliate links.