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.

18,222 flats measured

Best £/sqft£/m² first

5 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.

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) was £3,450 ◷ 3mo on market

Pentonville Road, Islington, N1

2 bed 2 bath Angel

3mo on market avail 14 Oct Share Agent's site ↗

544 sqft 51 m²

£4.87/sqft £52.42/m²
£2,650/mo £1,325 each (if split by room) was £2,700 ◷ 35 days on market

Berners House, Maygood Street, N1

2 bed 1 bath Angel

35 days on market avail 27 Oct Share Agent's site ↗

513 sqft 48 m²

£5.12/sqft £55.11/m²
£2,625/mo was £2,700 ◷ 53 days on market

St John Street, London, EC1V 4NT

1 bed 1 bath Angel

53 days on market avail now Share Agent's site ↗

size unknown

—/sqft/m²
£2,850/mo £1,425 each (if split by room) was £3,050

Balfe Street, London

2 bed 1 bath Angel

57 days on market avail 1 Oct Share Portal ↗

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

21 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.