How to Calculate Price Per Square Foot on a UK House

Quick answer

Price per square foot = price ÷ internal floor area (sq ft). A £360,000 home with 1,200 sq ft works out at £300 per sq ft. Compare that with what similar nearby homes sold for per sq ft, and you have a quick, fair test of whether the asking price stacks up.

Step 1: Find the floor area

• The listing floorplan usually shows a total in sq ft and m².
• The EPC register (find-energy-certificate.service.gov.uk) lists a total floor area in m² for most homes sold or let since 2008.

Use the same source for every property you compare where possible — EPC and floorplan figures can differ.

Step 2: Convert if needed

1 m² = 10.764 sq ft. So 85 m² × 10.764 ≈ 915 sq ft.

Step 3: Divide

The comparables average about £285/sq ft. At that rate, 1,200 sq ft suggests around £342,000 — a useful anchor when you decide your offer.

Common mistakes

• Comparing different property types. Flats and detached houses don't share a £/sq ft. Keep like with like.
• Ignoring condition. A newly renovated home will sit higher than one needing work.
• Using asking prices as comparables. Use sold prices from HM Land Registry, not other listings.
• Including garages or outbuildings in one figure but not another.
• Very small or very large homes. £/sq ft tends to fall as homes get bigger, so compare similar sizes.

Where £/sq ft fits

Price per square foot works best alongside the other evidence: recent sales on the same road, time on market and condition. Our guide to using local property data to decide an offer shows how they fit together.

Skip the spreadsheet

Offer Smart matches recent Land Registry sales with EPC floor areas to work out local £/sq ft automatically, then compares it with the property you're looking at. Paste a listing link or enter an address to see the numbers.