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.

18,824 flats measured

Best £/sqft£/m² first

3 listings · £2.78/sqft£29.92/m² median in N3

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.

3,906 sqft 363 m²

£2.18/sqft £23.47/m² 22% below N3 median
£8,500/mo £1,417 each (if split by room) was £9,000 ◷ 52 days on market

Orchard Avenue London N3

6 bed 4 bath Church End

52 days on market avail 8 Oct Share Agent's site ↗

690 sqft 64 m²

£2.75/sqft £29.60/m²
£1,900/mo £950 each (if split by room) was £2,000 ◷ 59 days on market

Orchard Avenue, London, N3

2 bed 1 bath Church End

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

284 sqft 26 m²

£4.93/sqft £53.07/m² 77% above N3 median
£1,400/mo was £1,450 ◷ 41 days on market

The Grove, Finchley, N3

0 bed 1 bath Church End

41 days on market avail 16 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.