BCIS Q2 2026 band
- Low: 2,350 £/sqm
- Mid: 2,700 £/sqm
- High: 3,200 £/sqm
- Regional index (UK = 100): 107
GDV working band
Resale GDV 420 to 680 £/sqft (low to high). Mid 525 £/sqft. Sense-check against current Land Registry Price Paid postcode-area aggregates before committing a bid.
Surrey, Kent, Sussex commuter belt premium versus coastal Sussex/Hampshire.
Viability culture
- Most SE councils have adopted CIL and reference the 17.5 percent PoGDV PPG-Viability benchmark.
- Sevenoaks, Guildford, Tunbridge Wells and Wokingham operate strict small-sites thresholds.
Working GDV anchors
- Surrey commuter belt: £520 to £680/sqft.
- Coastal Sussex / Hants: £420 to £525/sqft.
- Always sense-check with Land Registry Price Paid before bidding.
Open the workbench with these rates
Inputs
MAX LAND BID£330,287At 20% profit on cost, 9 units, 950 sqft GIA each.
MARGINAL
GDV£3,815,438
Build cost£2,144,666
Prof fees£257,360
s106/CIL/BNG£108,000
Contingency£188,252
Finance interest£192,252
Target profit£578,106
Total costs (excl land)£2,890,530
Senior debt @ LTGDV£2,480,034
PoC18.5%
PoGDV15.6%
LTC77.0%
Sensitivity (PoC %)
Build -5%Build +5%Build +10%Build +15%Build +20%
GDV -15%18%7%2%-2%-6%
GDV -10%19%13%8%4%-0%
GDV -5%18%20%14%10%5%
GDV 0%18%19%20%15%11%
GDV +5%17%18%19%20%16%
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.