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.

18,500 flats measured

Best £/sqft£/m² first

2 listings · £2.70/sqft£29.06/m² median in Riverhill

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

548 sqft 51 m²

£2.46/sqft £26.48/m² 9% below Riverhill median
£1,350/mo was £1,400 ◷ 59 days on market

Ewell Road, Surbiton, KT6

1 bed 1 bath Riverhill

59 days on market avail now Share Agent's site ↗
Property photo
Floorplan

925 sqft 86 m²

£2.70/sqft £29.06/m²
£2,495/mo £832 each (if split by room) was £2,550

Largewood Avenue, Surbiton, KT6

3 bed 1 bath Riverhill

25 days on market avail 25 Oct 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.