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.

18,541 flats measured

Best £/sqft£/m² first

2 listings · £6.41/sqft£69.00/m² median in Fitzrovia

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

397 sqft 37 m²

£6.68/sqft £71.90/m²
£2,650/mo ◷ relisted 1×

Fitzroy Street Fitzrovia W1T

1 bed 1 bath Bloomsbury

5 days on market avail 30 Sep Share Agent's site ↗
Property photo
Floorplan

879 sqft 82 m²

£9.86/sqft £106.13/m² 54% above Fitzrovia median
£8,667/mo £4,334 each (if split by room) ◷ 39 days on market

Charlotte Street, Fitzrovia, London, W1T

2 bed 2 bath Bloomsbury

Also listed here £8,667 short let ↗

6 days on market avail 3 Jan 2027 Share Portal ↗

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.