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.

18,502 flats measured

Best £/sqft£/m² first

9 listings · £3.67/sqft£39.50/m² median in SW18

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

974 sqft 90 m²

£2.57/sqft £27.66/m² 30% below SW18 median
£2,500/mo £1,250 each (if split by room)

Denton Street, Wandsworth, SW18

2 bed 2 bath Earlsfield

listed today avail now Share Agent's site ↗
Property photo
Floorplan

1,610 sqft 150 m²

£2.58/sqft £27.77/m² 30% below SW18 median
£4,160/mo £1,040 each (if split by room) ◷ relisted 2×

Elsenham Street, Southfields

4 bed 2 bath Earlsfield

listed today avail now Share Agent's site ↗
Property photo
Floorplan

1,016 sqft 94 m²

£3.20/sqft £34.44/m² 13% below SW18 median
£3,250/mo £1,625 each (if split by room)

Atheldene Road, London, SW18

2 bed 2 bath Earlsfield

listed today avail now Share Agent's site ↗
Property photo

size unknown

—/sqft/m²
£1,500/mo

Kimber Road, Earlsfield, London, SW18

1 bed 1 bath Earlsfield

listed today avail 17 Nov Share Portal ↗

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.