GaffFinder

London lettings, by the square foot

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Every London flat, measured.

The portals won’t let you rank by size. We read the floorplans, so you can.

18,208 flats measured

Best £/sqft£/m² first

2 listings · £3.65/sqft£39.29/m² median in Highgate

Sizes are estimates: an AI model reads most of them from the floorplan, and it can be wrong — so can the £/sqft£/m² worked out from them. Check with the agent before you rely on one.

Property photo
Floorplan

2,782 sqft 258 m²

£3.58/sqft £38.53/m²
£9,950/mo £2,488 each (if split by room)

Highgate, London, N6

4 bed 3 bath Carrol & Sanderson Close Estate

9 days on market avail 20 Nov Share Portal ↗
Property photo
Floorplan

8,825 sqft 820 m²

£12.28/sqft £132.18/m² short let
£108,333/mo

Sheldon Avenue, Highgate, N6

8 bed 9 bath East Finchley

12 days on market avail now Share Agent's site ↗

How we know the size

  1. 01

    We collect

    Every new flat to rent in London, checked through the day, seven days a week.

  2. 02

    We read the floorplan

    A vision model reads the plan the way you would — room by room, taking the dimensions printed on it. It is an AI estimate, and it can be wrong.

  3. 03

    We measure

    That gives a square footage, and a price per square foot. You can sort and filter on both. The portal offers neither.