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.

18,686 flats measured

Best £/sqft£/m² first

2 listings · £3.63/sqft£39.07/m² median in Stroud 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

2,061 sqft 191 m²

£3.88/sqft £41.76/m²
£8,000/mo £1,600 each (if split by room)

Addington Road, Ferme Park, N4

5 bed 2 bath Finsbury Park

4 days on market avail 7 Jan 2027 Share Agent's site ↗
Property photo
Floorplan

836 sqft 78 m²

£5.08/sqft £54.68/m² 40% above Stroud Green median
£4,250/mo £1,063 each (if split by room)

Charteris Road, London

4 bed 2 bath Finsbury Park

listed today 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.