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.

18,577 flats measured

Best £/sqft£/m² first

8 listings · £8.05/sqft£86.65/m² median in W1

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.

397 sqft 37 m²

£6.68/sqft £71.90/m² 17% below W1 median
£2,650/mo ◷ relisted 1×

Fitzroy Street Fitzrovia W1T

1 bed 1 bath Bloomsbury

5 days on market avail 30 Sep Share Agent's site ↗

533 sqft 50 m²

£6.91/sqft £74.38/m² 14% below W1 median
£3,683/mo ◷ relisted 2×

Avenfield House, Park Lane, Mayfair

1 bed 1 bath Marylebone

2 days on market avail 28 Sep Share Portal ↗

728 sqft 68 m²

£7.50/sqft £80.73/m² 7% below W1 median
£5,460/mo £2,730 each (if split by room) ◷ relisted 1×

Hill Street, Mayfair, W1J

2 bed 2 bath Chinatown

2 days on market avail 30 Sep 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 ↗

1,148 sqft 107 m²

£8.71/sqft £93.75/m²
£10,000/mo £5,000 each (if split by room) ◷ relisted 1×

Pathé Building, 109 Wardour Street, W1F

2 bed 2 bath East Marylebone

3 days on market avail 22 Dec Share Agent's site ↗

879 sqft 82 m²

£9.86/sqft £106.13/m² 22% above W1 median
£8,667/mo £4,334 each (if split by room) ◷ 39 days on market

Charlotte Street, Fitzrovia, London, W1T

2 bed 2 bath Bloomsbury

Also listed here £8,667 short let ↗

6 days on market avail 3 Jan 2027 Share Portal ↗

1,645 sqft 153 m²

£11.06/sqft £119.05/m² 37% above W1 median
£18,200/mo £9,100 each (if split by room) ◷ relisted 1×

Grosvenor Hill, Mayfair, London, W1K

2 bed 2 bath Chinatown

5 days on market avail now Share Portal ↗

818 sqft 76 m²

£20.63/sqft £222.06/m² 156% above W1 median
£16,878/mo £8,439 each (if split by room) ◷ relisted 1×

Harley Street, Marylebone, London, W1G

2 bed 2 bath Marylebone

4 days on market avail 23 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.