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.

18,804 flats measured

Best £/sqft£/m² first

6 listings · £3.40/sqft£36.60/m² median in Streatham Park

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.

1,470 sqft 137 m²

£2.38/sqft £25.62/m² 30% below Streatham Park median
£3,500/mo £1,167 each (if split by room) was £3,600

Salterford Road, London

3 bed 2 bath Furzedown

25 days on market Share Agent's site ↗

850 sqft 79 m²

£3.06/sqft £32.94/m² 10% below Streatham Park median
£2,600/mo £867 each (if split by room) was £2,700

Mitcham Lane, London, SW16

3 bed 1 bath Furzedown

13 days on market avail 4 Nov Share Portal ↗

727 sqft 68 m²

£3.09/sqft £33.26/m² 9% below Streatham Park median
£2,250/mo £1,125 each (if split by room) was £2,400

Kettering Road, Streatham, London, SW16

2 bed 1 bath Aldrington Estate

11 days on market Share Agent's site ↗

746 sqft 69 m²

£3.35/sqft £36.06/m²
£2,500/mo £833 each (if split by room) was £2,750

Aldrington Road, Grierson House Aldrington Road, SW16

3 bed 1 bath Aldrington Estate

7 days on market Share Agent's site ↗

786 sqft 73 m²

£3.37/sqft £36.27/m²
£2,650/mo £883 each (if split by room) was £2,900

Beclands Road, Balham, London, SW17

3 bed 1 bath Furzedown

20 days on market Share Agent's site ↗

size unknown

—/sqft/m²
£1,500/mo was £1,550

Thrale Road, London, SW16

1 bed 1 bath Aldrington Estate

20 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.