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.

18,481 flats measured

Best £/sqft£/m² first

2 listings · £4.10/sqft£44.13/m² median in Abbey Estate

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

338 sqft 31 m²

£4.81/sqft £51.77/m² 17% above Abbey Estate median
£1,625/mo ◷ relisted 2×

Boundary Road, Swiss Cottage

0 bed 1 bath Abbey Estate

7 days on market avail 7 Oct Share Agent's site ↗
Property photo
Floorplan

452 sqft 42 m²

£5.27/sqft £56.73/m² 29% above Abbey Estate median
£2,384/mo ◷ relisted 1×

Boundary Road, St John's Wood, London, NW8

1 bed 1 bath Abbey Estate

12 days on market 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.