Cost Tool — Steadfox

Estimate Your Extension Cost

1. Choose Extension Type

Rear extension (no party wall)

Rear extension (with party wall)

2. Choose Size (m²)

16m² (4×4m)

20m² (5×4m)

32m² (4×8m)

Extension Preview

Estimated Total Project Cost (Inc. VAT)

£—

Construction (Inc. VAT) £—

Professional fees (Inc. VAT) £—

Statutory fees (Inc. VAT) £—

Cost breakdown (tap to expand)

*Indicative estimate for London (based on Steadfox cost plan). Subject to site conditions and specification.