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.

18,579 flats measured

Best £/sqft£/m² first

97–144 of 168 · £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.

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 ↗

962 sqft 89 m²

£9.91/sqft £106.67/m² 23% above W1 median
£9,533/mo

Duke Street, Mayfair, London W1

1 bed 1 bath Marylebone

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

980 sqft 91 m²

£9.95/sqft £107.10/m² 24% above W1 median
£9,750/mo £3,250 each (if split by room)

Windmill Street, Fitzrovia, W1T

3 bed 3 bath Bloomsbury

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

947 sqft 88 m²

£10.07/sqft £108.39/m² 25% above W1 median
£9,533/mo

Duke Street, Mayfair, London, W1K

1 bed 1 bath Marylebone

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

266 sqft 25 m²

£10.10/sqft £108.72/m² 25% above W1 median
£2,686/mo

Hill Street, Mayfair, London W1

0 bed 1 bath Chinatown

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

147 sqft 14 m²

£10.17/sqft £109.47/m² 26% above W1 median
£1,495/mo

Upper Berkeley Street, Marylebone, W1H

0 bed 1 bath Marylebone

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

1,012 sqft 94 m²

£10.28/sqft £110.65/m² 28% above W1 median
£10,400/mo £5,200 each (if split by room)

Duke Street, Mayfair W1K

2 bed 2 bath Marylebone

4 days on market Share Portal ↗

2,517 sqft 234 m²

£10.33/sqft £111.19/m² short let
£26,000/mo

New Cavendish Street, London, W1W

3 bed 4 bath East Marylebone

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

455 sqft 42 m²

£10.43/sqft £112.27/m² 30% above W1 median
£4,745/mo

Manchester Street, Marylebone, London, W1U

1 bed 1 bath Marylebone

6 days on market Share Agent's site ↗

268 sqft 25 m²

£10.51/sqft £113.13/m² 31% above W1 median
£2,817/mo

Hill Street, London, W1J

0 bed 1 bath Chinatown

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

268 sqft 25 m²

£10.51/sqft £113.13/m² 31% above W1 median
£2,817/mo

Hill Street, London

0 bed 1 bath Chinatown

listed today avail now Share Agent's site ↗

268 sqft 25 m²

£10.51/sqft £113.13/m² 31% above W1 median
£2,817/mo

Hill Street, Mayfair, London, W1J

0 bed 1 bath Chinatown

4 days on market avail now Share Portal ↗

1,803 sqft 168 m²

£10.51/sqft £113.13/m² 31% above W1 median
£18,950/mo £6,317 each (if split by room)

Upper Grosvenor Street, Mayfair, W1K

3 bed 3 bath Marylebone

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

266 sqft 25 m²

£10.59/sqft £113.99/m² 32% above W1 median
£2,817/mo

39 HILL STREET, London, W1J

0 bed 1 bath Chinatown

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

266 sqft 25 m²

£10.59/sqft £113.99/m² 32% above W1 median
£2,817/mo

Hill Street, London, W1J

0 bed 1 bath Chinatown

5 days on market Share Agent's site ↗

266 sqft 25 m²

£10.59/sqft £113.99/m² 32% above W1 median
£2,817/mo

Hill Street, Mayfair

0 bed 1 bath Chinatown

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

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 ↗

1,841 sqft 171 m²

£11.53/sqft £124.11/m² 43% above W1 median
£21,233/mo £7,078 each (if split by room)

Duke Street, Mayfair, W1

3 bed 4 bath Marylebone

4 days on market Share Agent's site ↗

621 sqft 58 m²

£12.21/sqft £131.43/m² 52% above W1 median
£7,583/mo

Charles Street, Mayfair, London, W1J

1 bed 1 bath Chinatown

listed today avail now Share Agent's site ↗

4,607 sqft 428 m²

£12.23/sqft £131.64/m² 52% above W1 median
£56,333/mo £14,083 each (if split by room)

Mount Street, Mayfair, London, W1K

4 bed 4 bath Marylebone

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

637 sqft 59 m²

£12.24/sqft £131.75/m² 52% above W1 median
£7,800/mo

Charles Street, Mayfair, London, W1J

1 bed 1 bath Chinatown

listed today avail now Share Agent's site ↗

500 sqft 46 m²

£13.00/sqft £139.93/m² 61% above W1 median
£6,500/mo

Windmill Street, Marylebone, London, W1T

1 bed 1 bath Bloomsbury

6 days on market avail 14 Nov Share Portal ↗

2,158 sqft 200 m²

£14.06/sqft £151.34/m² 75% above W1 median
£30,333/mo £10,111 each (if split by room)

9 Marylebone Lane, Marylebone, London, W1U

3 bed 3 bath Marylebone

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

3,940 sqft 366 m²

£15.40/sqft £165.76/m² 91% above W1 median
£60,667/mo £15,167 each (if split by room)

Mount Street, London

4 bed 4 bath Marylebone

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

3,940 sqft 366 m²

£15.40/sqft £165.76/m² 91% above W1 median
£60,667/mo £15,167 each (if split by room)

Penthouse, Mount Street, Mayfair, London, W1K

4 bed 4 bath Marylebone

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

614 sqft 57 m²

£16.35/sqft £175.99/m² 103% above W1 median
£10,036/mo

Welbeck Street, Marylebone, London, W1G

1 bed 1 bath Marylebone

4 days on market Share Agent's site ↗

2,027 sqft 188 m²

£17.10/sqft £184.06/m² 112% above W1 median
£34,667/mo £11,556 each (if split by room)

Charles Street, London, W1X W1J

3 bed 3 bath Chinatown

listed today avail now Share Agent's site ↗

4,354 sqft 405 m²

£19.91/sqft £214.31/m² 147% above W1 median
£86,667/mo £14,445 each (if split by room)

Grosvenor Square, London, W1K

6 bed 6 bath Marylebone

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

531 sqft 49 m²

£20.32/sqft £218.72/m² 152% above W1 median
£10,790/mo

Welbeck Street, Marylebone, London, W1G

1 bed 1 bath Marylebone

4 days on market Share Agent's site ↗

615 sqft 57 m²

£20.52/sqft £220.88/m² 155% above W1 median
£12,619/mo

Weymouth Mews, Marylebone, London, W1G

1 bed 1 bath Marylebone

4 days on market avail 4 Oct Share Agent's site ↗

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 ↗

1,862 sqft 173 m²

£22.11/sqft £237.99/m² 175% above W1 median
£41,167/mo £10,292 each (if split by room)

Park Crescent, London W1B

4 bed 3 bath Marylebone

5 days on market avail now Share Portal ↗

268 sqft 25 m²

£35.57/sqft £382.87/m² 342% above W1 median
£9,533/mo

Duke Street, Mayfair, London, W1K

1 bed 2 bath Marylebone

3 days on market Share Portal ↗

size unknown

—/sqft/m²
£3,228/mo

Archer Street, Soho, London, W1D

1 bed 1 bath East Marylebone

5 days on market avail 12 Nov Share Agent's site ↗

size unknown

—/sqft/m²
£5,375/mo £2,688 each (if split by room)

Baker Street, Marylebone, London, W1U

2 bed 2 bath Marylebone

5 days on market avail 11 Nov Share Agent's site ↗

size unknown

—/sqft/m²
£4,918/mo £2,459 each (if split by room)

Beverston Mews, Marylebone, London, W1H

2 bed 1 bath Marylebone

5 days on market avail 14 Oct Share Agent's site ↗

size unknown

—/sqft/m²
£24,917/mo £8,306 each (if split by room)

Bingham Place

3 bed 3 bath Marylebone

5 days on market avail 19 Oct Share Portal ↗

size unknown

—/sqft/m²
£4,875/mo £2,438 each (if split by room)

Bryanston Mews East, London, W1H

2 bed 1 bath Marylebone

4 days on market avail 5 Oct Share Agent's site ↗

size unknown

—/sqft/m²
£2,600/mo

Crawford Place, Marylebone, London, W1H

1 bed 1 bath Marylebone

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

size unknown

—/sqft/m² short let
£18,417/mo

D'Arblay Street, Soho, W1F

3 bed 3 bath East Marylebone

2 days on market avail 28 Sep Share Agent's site ↗

size unknown

—/sqft/m²
£2,650/mo

Devonshire Street, Marylebone

0 bed ? bath Marylebone

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

size unknown

—/sqft/m²
£2,500/mo

Dufour's Place

0 bed 1 bath East Marylebone

3 days on market avail 7 Oct Share Portal ↗

size unknown

—/sqft/m²
£3,250/mo

Fitzrovia Apartments, W1W

1 bed 1 bath East Marylebone

4 days on market avail 3 Dec Share Portal ↗

size unknown

—/sqft/m²
£13,650/mo £2,730 each (if split by room)

George Street, Marylebone, London, W1H

5 bed 4 bath Marylebone

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

size unknown

—/sqft/m²
£5,308/mo £2,654 each (if split by room)

Gloucester Place, Marylebone, London, W1H

2 bed 2 bath Marylebone

6 days on market avail 10 Oct Share Agent's site ↗

size unknown

—/sqft/m²
£3,332/mo

Great Portland Street, Fitzrovia, London, W1W

1 bed 1 bath East Marylebone

3 days on market avail 30 Oct Share Agent's site ↗

size unknown

—/sqft/m²
£86,667/mo £17,333 each (if split by room)

Grosvenor Square, Mayfair, W1K

5 bed 5 bath Marylebone

4 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.