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.

18,478 flats measured

Best £/sqft£/m² first

2 listings · £3.26/sqft£35.09/m² median in Surrey Quays

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

500 sqft 46 m²

£3.55/sqft £38.21/m² location unverified
£1,773/mo was £1,862

LUNA, 4 Marley Street | London HA9

0 bed 1 bath Greenland Place

Also listed here £1,862 ↗

3 days on market Share Agent's site ↗
Property photo

size unknown

—/sqft/m²
£2,000/mo was £2,500

Howland Way, London, SE16

1 bed 1 bath Rotherhithe

2 days on market avail 18 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.