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.

18,841 flats measured

Best £/sqft£/m² first

2 listings · £2.66/sqft£28.63/m² median in Norbury

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

1,441 sqft 134 m²

£2.01/sqft £21.64/m² 24% below Norbury median
£2,900/mo £725 each (if split by room)

Fieldend Road, Streatham

4 bed 2 bath Lonesome

listed today Share Agent's site ↗
Property photo
Floorplan

size unknown

—/sqft/m²
£3,700/mo £740 each (if split by room) was £3,800

Donnybrook Road, London, SW16

5 bed 4 bath Lonesome

6 days on market 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.