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.

18,618 flats measured

Best £/sqft£/m² first

3 listings · £3.30/sqft£35.52/m² median in SM4

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

1,141 sqft 106 m²

£2.85/sqft £30.68/m² 14% below SM4 median
£3,250/mo £813 each (if split by room) was £3,500

Martin Grove, Morden, SM4

4 bed 1 bath Morden

20 days on market Share Agent's site ↗
Property photo

size unknown

—/sqft/m²
£3,250/mo £813 each (if split by room) was £3,500

Martin Grove, Morden, SM4

4 bed 1 bath Morden

12 days on market avail 30 Sep Share Agent's site ↗
Property photo

size unknown

—/sqft/m²
£3,600/mo £900 each (if split by room)

The Green, Morden, SM4

4 bed 3 bath Lower Morden

4 days on market avail 7 Nov 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.