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.

18,506 flats measured

Best £/sqft£/m² first

3 listings · £3.37/sqft£36.27/m² median in SW2

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.

1,125 sqft 105 m²

£2.84/sqft £30.57/m² 16% below SW2 median
£3,200/mo £1,067 each (if split by room)

Craster Road, London, SW2

3 bed 2 bath Blenheim Gardens Estate

listed today avail 30 Sep Share Agent's site ↗

181 sqft 17 m²

£6.91/sqft £74.38/m² 105% above SW2 median
£1,250/mo

St Matthew's Road, Lambeth, London

1 bed 1 bath Brixton

listed today avail 15 Oct Share Portal ↗

size unknown

—/sqft/m²
£875/mo

St Matthew's Road, Lambeth, London

1 bed 1 bath Brixton

Also listed here £975 ↗

listed today avail 15 Oct Share Portal ↗

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.