Preset defaults
- Units: 6
- GIA per unit: 620 sqft
- NIA ratio: 86%
- Build cost: 1,850 £/sqm
- Professional fees: 10%
- Contingency: 10%
- s106 / CIL / BNG per unit: £6,000
- Finance rate: 10%
- Duration: 10 months
- Target PoC: 20%
What this preset is for
Class O, MA or G prior-approval conversion. NDSS now applies; daylight or BRE often kills schemes pre-residual.
Which PDR Classes deliver C3 dwellings
- Class O: office to C3 (now superseded by Class MA in most cases).
- Class MA: commercial / business / service (Class E) to C3, in force from 1 Aug 2021.
- Class G: shop or financial service over commercial premises to C3.
NDSS
- Technical Housing Standards (NDSS) apply to all PDR conversions from 6 Apr 2023.
- 1-bed 1-person: 39 sqm. 1-bed 2-person: 50 sqm. 2-bed 4-person: 70 sqm. 3-bed 4-person: 74 sqm.
Open in workbench
Inputs
MAX LAND BID£326,791At 20% profit on cost, 6 units, 620 sqft GIA each.
MARGINAL
GDV£1,359,660
Build cost£639,358
Prof fees£63,936
s106/CIL/BNG£36,000
Contingency£73,929
Finance interest£33,884
Target profit£169,422
Total costs (excl land)£847,108
Senior debt @ LTGDV£883,779
PoC15.8%
PoGDV13.7%
LTC75.3%
Sensitivity (PoC %)
Build -5%Build +5%Build +10%Build +15%Build +20%
GDV -15%17%19%19%19%15%
GDV -10%17%18%18%19%20%
GDV -5%16%17%18%18%19%
GDV 0%15%16%17%18%18%
GDV +5%15%16%16%17%17%
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.