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.

18,554 flats measured

Best £/sqft£/m² first

5 listings · £2.85/sqft£30.68/m² median in Friern Barnet

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.

1,292 sqft 120 m²

£2.24/sqft £24.11/m² 21% below Friern Barnet median
£2,900/mo £725 each (if split by room)

Halton Close, Friern Barnet, London, N11

4 bed 3 bath Colney Hatch

4 days on market avail 27 Oct Share Portal ↗

1,979 sqft 184 m²

£3.54/sqft £38.10/m² short let
£6,998/mo

Queens Avenue, Whetstone, London, N20

4 bed 2 bath Friern Barnet

listed today Share Agent's site ↗

size unknown

—/sqft/m²
£2,750/mo £688 each (if split by room) was £2,800

Colney Hatch Lane, London, N10

4 bed 1 bath Colney Hatch

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

size unknown

—/sqft/m²
£4,260/mo £609 each (if split by room)

George Crescent, London, N10

7 bed 4 bath Colney Hatch

3 days on market avail now Share Portal ↗

size unknown

—/sqft/m²
£3,750/mo £938 each (if split by room)

Princess Park Manor, Royal Drive, London

4 bed 3 bath Friern Barnet

listed today avail 5 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.