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.

18,825 flats measured

Best £/sqft£/m² first

2 listings · £4.68/sqft£50.38/m² median in Spa Green

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

916 sqft 85 m²

£3.55/sqft £38.21/m² 24% below Spa Green median
£3,250/mo £1,625 each (if split by room) ◷ relisted 1×

Pentonville Road, Claremont Heights, N1

2 bed 2 bath Angel

Also listed here £3,250 same price ↗

3 days on market Share Portal ↗
Property photo
Floorplan

837 sqft 78 m²

£4.18/sqft £44.99/m² 11% below Spa Green median
£3,500/mo £1,750 each (if split by room) ◷ relisted 1×

River Street, Clerkenwell, London, EC1R

2 bed 1 bath Angel

13 days on market 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.