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.

18,582 flats measured

Best £/sqft£/m² first

15 listings · £2.78/sqft£29.92/m² median in Sydenham

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.

806 sqft 75 m²

£2.05/sqft £22.07/m² 26% below Sydenham median
£1,651/mo £826 each (if split by room)

2A Central Parade

2 bed 1 bath New Beckenham

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

774 sqft 72 m²

£2.45/sqft £26.37/m² 12% below Sydenham median
£1,900/mo £950 each (if split by room)

Lawrie Park Road, Sydenham

2 bed ? bath Lower Sydenham

6 days on market avail 2 Nov Share Portal ↗

750 sqft 70 m²

£2.53/sqft £27.23/m² 9% below Sydenham median
£1,900/mo £950 each (if split by room) ◷ relisted 1×

Sydenham Road, Sydenham

2 bed 1 bath Lower Sydenham

5 days on market Share Agent's site ↗

918 sqft 85 m²

£2.78/sqft £29.92/m²
£2,550/mo £850 each (if split by room)

Halifax Street, Sydenham, Sydenham, London, SE26

3 bed 1 bath Forest Hill

5 days on market Share Agent's site ↗

542 sqft 50 m²

£2.91/sqft £31.32/m²
£1,575/mo

Silverdale House, Sydenham

1 bed ? bath Crystal Palace

4 days on market avail 17 Nov Share Agent's site ↗

454 sqft 42 m²

£3.30/sqft £35.52/m² 19% above Sydenham median
£1,500/mo

Anerley Park Road London SE20

1 bed 1 bath Crystal Palace

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

559 sqft 52 m²

£3.49/sqft £37.57/m² 26% above Sydenham median
£1,950/mo

Tudor Road, Crystal Palace, London, SE19

1 bed 1 bath Crystal Palace

4 days on market Share Agent's site ↗

678 sqft 63 m²

£3.69/sqft £39.72/m² 33% above Sydenham median
£2,500/mo

Sydenham Hill, London

1 bed 1 bath Forest Hill

3 days on market avail now Share Portal ↗

size unknown

—/sqft/m²
£1,600/mo

Anerley Road, London, SE20

1 bed 1 bath Crystal Palace

3 days on market avail 5 Oct Share Agent's site ↗

size unknown

—/sqft/m²
£1,300/mo

Castledine Road, Anerley, SE20

1 bed 1 bath Crystal Palace

listed yesterday avail 3 Nov Share Agent's site ↗

size unknown

—/sqft/m²
£1,850/mo £925 each (if split by room)

Crystal Palace Park Road, Crystal Palace

2 bed 1 bath Crystal Palace

5 days on market avail 3 Oct Share Agent's site ↗

size unknown

—/sqft/m²
£1,800/mo

Crystal Palace, London, SE19

1 bed 1 bath Crystal Palace

6 days on market avail 16 Oct Share Agent's site ↗

size unknown

—/sqft/m²
£2,450/mo £613 each (if split by room)

Hazel Grove, London, SE26

4 bed 2 bath Lower Sydenham

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

size unknown

—/sqft/m²
£1,350/mo

Penge, London, SE20

1 bed 1 bath New Beckenham

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

size unknown

—/sqft/m²
£2,075/mo £692 each (if split by room)

Sydenham Road, London

3 bed ? bath Crystal Palace

6 days on market avail 17 Oct 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.