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.

18,540 flats measured

Best £/sqft£/m² first

10 listings · £3.27/sqft£35.20/m² median in SE21

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.

1,012 sqft 94 m²

£2.17/sqft £23.36/m² 34% below SE21 median
£2,200/mo £1,100 each (if split by room)

Thurlow Park Road, West Dulwich

2 bed 1 bath Tulse Hill

listed yesterday avail 17 Oct Share Agent's site ↗

2,030 sqft 189 m²

£2.22/sqft £23.90/m² 32% below SE21 median
£4,500/mo £1,125 each (if split by room)

South Croxted Road, Dulwich, SE21

4 bed 2 bath Tulse Hill

4 days on market avail 26 Nov Share Portal ↗

1,122 sqft 104 m²

£2.67/sqft £28.74/m² 18% below SE21 median
£3,000/mo £1,000 each (if split by room)

Constable walk

3 bed 2 bath Dulwich

2 days on market avail 1 Nov Share Portal ↗

831 sqft 77 m²

£2.71/sqft £29.17/m² 17% below SE21 median
£2,250/mo £750 each (if split by room)

Croxted Road, Dulwich, London, SE21

3 bed 1 bath Tulse Hill

4 days on market avail 20 Nov Share Portal ↗

535 sqft 50 m²

£3.27/sqft £35.20/m²
£1,750/mo £875 each (if split by room) ◷ relisted 1×

Park Court, (PP518), West Dulwich, SE21

2 bed 1 bath Tulse Hill

6 days on market Share Portal ↗

789 sqft 73 m²

£4.75/sqft £51.13/m² 45% above SE21 median
£3,750/mo £1,875 each (if split by room)

Boxall Road Dulwich Village SE21 7JS

2 bed 1 bath Dulwich

5 days on market avail now Share Portal ↗

210 sqft 20 m²

£5.24/sqft £56.40/m² 60% above SE21 median
£1,100/mo

Thurlow Park Road London SE21

0 bed 1 bath Tulse Hill

3 days on market avail 18 Nov Share Portal ↗

size unknown

—/sqft/m²
£2,850/mo £950 each (if split by room)

Bowen Drive, Dulwich

3 bed 2 bath Dulwich

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

size unknown

—/sqft/m²
£2,850/mo £950 each (if split by room)

Great Brownings, London, SE21

3 bed 2 bath Dulwich

2 days on market avail 31 Oct Share Agent's site ↗

size unknown

—/sqft/m²
£2,300/mo £1,150 each (if split by room)

Rosendale Road, West Dulwich, London, SE21

2 bed 1 bath Tulse Hill

6 days on market avail 9 Nov 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.