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.

18,588 flats measured

Best £/sqft£/m² first

5 listings · £3.05/sqft£32.83/m² median in Hackbridge

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.

522 sqft 48 m²

£2.97/sqft £31.97/m²
£1,550/mo was £1,600 ◷ 44 days on market

Otter Drive, Carshalton

1 bed 1 bath Carshalton

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

574 sqft 53 m²

£3.05/sqft £32.83/m²
£1,750/mo £875 each (if split by room) was £1,875 ◷ 55 days on market

Primrose Close, Wallington

2 bed 1 bath Carshalton

55 days on market avail now Share Portal ↗

693 sqft 64 m²

£4.33/sqft £46.61/m² short let
£3,000/mo was £3,500 ◷ 60 days on market

Hackbridge Road, Wallington, SM6

2 bed 1 bath Carshalton

2mo on market Share Portal ↗

size unknown

—/sqft/m²
£1,650/mo £825 each (if split by room) was £1,700

Poppy Close Hackbridge

2 bed 1 bath Carshalton

12 days on market avail now Share Portal ↗

size unknown

—/sqft/m²
£1,450/mo £725 each (if split by room) was £1,495 ◷ 47 days on market

Reynolds Close, Carshalton, Surrey. SM5

2 bed 1 bath Carshalton

47 days on market avail 28 Sep 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.