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.

18,533 flats measured

Best £/sqft£/m² first

3 listings · £8.12/sqft£87.40/m² median in Marylebone

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.

775 sqft 72 m²

£4.90/sqft £52.74/m² 40% below Marylebone median
£3,800/mo £1,900 each (if split by room) was £3,850 ◷ relisted 1×

Bourne House, London, NW1

2 bed 2 bath Marylebone

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

947 sqft 88 m²

£7.39/sqft £79.55/m² 9% below Marylebone median
£7,000/mo £3,500 each (if split by room) was £7,600 ◷ relisted 7×

Flat 3, 219 Baker Street, London, NW1

2 bed 2 bath Marylebone

6 days on market Share Agent's site ↗

3,096 sqft 288 m²

£8.05/sqft £86.65/m²
£24,917/mo £8,306 each (if split by room) was £25,783 ◷ relisted 1×

Bingham Place, London, W1U

3 bed 3 bath Marylebone

2 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.