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.

18,903 flats measured

Best £/sqft£/m² first

3 listings · £2.21/sqft£23.79/m² median in Avery Hill

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.

Property photo
Floorplan

949 sqft 88 m²

£2.00/sqft £21.53/m² 10% below Avery Hill median
£1,900/mo £633 each (if split by room) was £2,000 ◷ 2mo on market

Tarnwood Park, Lee

3 bed 2 bath Avery Hill

2mo on market Share Agent's site ↗
Property photo

size unknown

—/sqft/m²
£2,100/mo £700 each (if split by room) was £2,200 ◷ 2mo on market

East Rochester Way, Sidcup, Kent, DA15

3 bed 1 bath Avery Hill

2mo on market avail now Share Agent's site ↗
Property photo

size unknown

—/sqft/m²
£1,750/mo £875 each (if split by room) was £1,800 ◷ 40 days on market

Lyndon Avenue, Sidcup, DA15

2 bed 1 bath Avery Hill

40 days on market avail 1 Oct 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.