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.

18,482 flats measured

Best £/sqft£/m² first

3 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

1,108 sqft 103 m²

£5.40/sqft £58.13/m² 15% above Spa Green median
£5,980/mo £1,196 each (if split by room) ◷ 59 days on market

Keystone Crescent, London, N1

5 bed 5 bath Angel

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

size unknown

—/sqft/m²
£4,750/mo £1,188 each (if split by room) ◷ 42 days on market

Balfe Street, London, N1.

4 bed 2 bath Angel

42 days on market avail 12 Nov Share Portal ↗
Property photo

size unknown

—/sqft/m²
£5,250/mo £1,313 each (if split by room) was £5,500

Maygood St, London, N1

4 bed 2 bath Angel

20 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.