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.

18,635 flats measured

Best £/sqft£/m² first

6 listings · £3.18/sqft£34.23/m² median in Blackheath

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.

1,326 sqft 123 m²

£2.55/sqft £27.45/m² 20% below Blackheath median
£3,375/mo £844 each (if split by room)

Yeats Close, Lewisham, London, SE13

4 bed 3 bath Baizdon Road Estate

listed today Share Agent's site ↗

841 sqft 78 m²

£2.62/sqft £28.20/m² 18% below Blackheath median
£2,200/mo £1,100 each (if split by room)

Shooters Hill Road, SE3

2 bed 1 bath Bernersmede

listed today avail 16 Nov Share Portal ↗

744 sqft 69 m²

£6.72/sqft £72.33/m² location unverified
£4,996/mo £2,498 each (if split by room)

Ferdinand Street, London NW1

2 bed 2 bath Baizdon Road Estate

listed today avail now Share Agent's site ↗

size unknown

—/sqft/m²
£1,950/mo

Centenary Heights, Larkwood Avenue, SE10

1 bed 1 bath Baizdon Road Estate

listed today avail 5 Nov Share Agent's site ↗

size unknown

—/sqft/m²
£2,800/mo £933 each (if split by room)

Copperwood Place, London, SE10

3 bed 2 bath Baizdon Road Estate

listed today avail 7 Nov Share Agent's site ↗

size unknown

—/sqft/m²
£1,820/mo

Flat , Jubilee Heights, Parkside Avenue, London

1 bed 1 bath Baizdon Road Estate

listed today 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.