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.

18,508 flats measured

Best £/sqft£/m² first

2 listings · £4.93/sqft£53.07/m² median in SE11

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

1,379 sqft 128 m²

£3.44/sqft £37.03/m² 30% below SE11 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 ↗
Property photo
Floorplan

1,099 sqft 102 m²

£4.09/sqft £44.02/m² 17% below SE11 median
£4,500/mo £1,125 each (if split by room)

Hayles Street, London

4 bed 1 bath Cooper Close

6 days on market avail 6 Nov 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.