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.

18,527 flats measured

Best £/sqft£/m² first

3 listings · £4.58/sqft£49.30/m² median in Kennington

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.

1,379 sqft 128 m²

£3.44/sqft £37.03/m² 25% below Kennington median
£4,750/mo £1,188 each (if split by room)

Renfrew Road, London, SE11 4NA

4 bed 3 bath Bayliss Old School

5 days on market avail 18 Nov Share Portal ↗

978 sqft 91 m²

£4.10/sqft £44.13/m² 10% below Kennington median
£4,008/mo £1,002 each (if split by room)

Lorrimore Road

4 bed 1 bath Elephant and Castle

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

size unknown

—/sqft/m²
£3,450/mo £863 each (if split by room)

Cranmer Road, London, SW9

4 bed 2 bath Kennington

5 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.