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.

18,643 flats measured

Best £/sqft£/m² first

2 listings · £4.26/sqft£45.85/m² median in Dalston

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

1,937 sqft 180 m²

£2.45/sqft £26.37/m² 42% below Dalston median
£4,750/mo £1,188 each (if split by room)

Sandringham Road, London, E8

4 bed 1 bath Blackstone Estate

6 days on market Share Agent's site ↗
Property photo
Floorplan

1,008 sqft 94 m²

£4.96/sqft £53.39/m² 16% above Dalston median
£5,000/mo £1,000 each (if split by room) was £5,500

Newington Green Road, Islington, London, N1

5 bed 5 bath Dalston

18 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.