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.

18,963 flats measured

Best £/sqft£/m² first

2 listings · £6.65/sqft£71.58/m² median in South Kensington

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

1,964 sqft 182 m²

£5.52/sqft £59.42/m² 17% below South Kensington median
£10,833/mo £2,708 each (if split by room)

Cromwell Road, South Kensington

4 bed 4 bath Earl's Court

listed today Share Agent's site ↗
Property photo
Floorplan

1,944 sqft 181 m²

£5.57/sqft £59.95/m² 16% below South Kensington median
£10,833/mo £2,708 each (if split by room)

Cromwell Road, South Kensington, SW7

4 bed 4 bath Earl's Court

listed today avail 1 Dec 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.