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.

18,525 flats measured

Best £/sqft£/m² first

3 listings · £3.61/sqft£38.86/m² median in Astley Estate

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

582 sqft 54 m²

£3.61/sqft £38.86/m²
£2,100/mo £1,050 each (if split by room) was £2,200

Old Kent Road, London

2 bed 1 bath Astley Estate

13 days on market avail now Share Portal ↗
Property photo

size unknown

—/sqft/m²
£4,000/mo £1,000 each (if split by room) was £4,395

Marcia Road, London, SE1 5XF

4 bed 3 bath Astley Estate

20 days on market avail 16 Oct Share Agent's site ↗
Property photo

size unknown

—/sqft/m²
£1,999/mo was £2,100

Old Kent Road, London, SE1

1 bed 1 bath Astley Estate

10 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.