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.

18,814 flats measured

Best £/sqft£/m² first

2 listings · £3.34/sqft£35.95/m² median in Surrey Quays

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

1,405 sqft 131 m²

£2.85/sqft £30.68/m² 15% below Surrey Quays median
£4,000/mo £1,000 each (if split by room)

Capstan Way, London, SE16, Canada Water, London, SE16

4 bed 2 bath Rotherhithe

6 days on market Share Agent's site ↗
Property photo
Floorplan

934 sqft 87 m²

£5.09/sqft £54.79/m² price unclear
£4,750/mo £1,188 each (if split by room)

Greenland Quay, London, SE16

4 bed 2 bath Rotherhithe

Also listed here £4,500 ↗

listed yesterday avail 16 Nov 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.