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.

18,700 flats measured

Best £/sqft£/m² first

3 listings · £3.27/sqft£35.20/m² median in New Cross Gate

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.

1,113 sqft 103 m²

£2.69/sqft £28.95/m² 18% below New Cross Gate median
£2,995/mo £998 each (if split by room) ◷ relisted 1×

Montague Square, London, SE15

3 bed 2 bath Brimmington Estate

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

869 sqft 81 m²

£4.24/sqft £45.64/m² 30% above New Cross Gate median
£3,683/mo £1,842 each (if split by room) ◷ 56 days on market

Senate Building, Lexington Gardens

2 bed 2 bath New Cross

56 days on market Share Portal ↗

831 sqft 77 m²

£4.57/sqft £49.19/m² location unverified
£3,800/mo £1,900 each (if split by room) ◷ 56 days on market

Senate Building, 3 Lanchester Way, London, SW11

2 bed 2 bath New Cross

56 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.