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.

18,575 flats measured

Best £/sqft£/m² first

1–48 of 166 · £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.

1,073 sqft 100 m²

£3.57/sqft £38.43/m² 56% below W1 median
£3,835/mo

Richmond Buildings, London, W1D

1 bed 1 bath East Marylebone

2 days on market avail 22 Sep 2027 Share Agent's site ↗

1,012 sqft 94 m²

£3.85/sqft £41.44/m² 52% below W1 median
£3,900/mo

Old Bond Street, London, W1S

1 bed 1 bath Chinatown

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

1,543 sqft 143 m²

£3.89/sqft £41.87/m² 52% below W1 median
£5,997/mo £1,999 each (if split by room)

Colville Place, London, W1T

3 bed 2 bath Bloomsbury

2 days on market avail now Share Agent's site ↗
Floorplan

849 sqft 79 m²

£4.34/sqft £46.72/m² 46% below W1 median
£3,683/mo

Manchester Street, Marylebone

1 bed 1 bath Marylebone

2 days on market Share Agent's site ↗

984 sqft 91 m²

£4.38/sqft £47.15/m² 46% below W1 median
£4,312/mo £2,156 each (if split by room)

Upper Montagu Street, Marylebone, London, W1H

2 bed 2 bath Marylebone

4 days on market avail 6 Nov Share Portal ↗

1,528 sqft 142 m²

£4.58/sqft £49.30/m² 43% below W1 median
£7,000/mo £3,500 each (if split by room)

Bryanston Square, Marylebone, London, W1H

2 bed 2 bath Marylebone

2 days on market Share Portal ↗

635 sqft 59 m²

£4.72/sqft £50.81/m² 41% below W1 median
£3,000/mo £1,500 each (if split by room)

6 Upper John Street, London, W1F

2 bed 2 bath East Marylebone

listed yesterday avail 10 Oct Share Portal ↗

1,468 sqft 136 m²

£4.77/sqft £51.34/m² 41% below W1 median
£7,000/mo £3,500 each (if split by room)

Bryanston Square, Marylebone

2 bed 2 bath Marylebone

2 days on market Share Agent's site ↗

1,432 sqft 133 m²

£4.89/sqft £52.64/m² 39% below W1 median
£7,000/mo £3,500 each (if split by room)

Bryanston Square, London, W1H

2 bed 2 bath Marylebone

2 days on market avail now Share Portal ↗

458 sqft 43 m²

£4.91/sqft £52.85/m² 39% below W1 median
£2,250/mo

Old Compton Street, Soho

1 bed 1 bath East Marylebone

listed yesterday avail 1 Oct Share Portal ↗

863 sqft 80 m²

£4.92/sqft £52.96/m² 39% below W1 median
£4,250/mo £2,125 each (if split by room)

Dorset Street, Baker Street, W1U

2 bed 2 bath Marylebone

3 days on market avail 20 Nov Share Agent's site ↗

837 sqft 78 m²

£4.92/sqft £52.96/m² 39% below W1 median
£4,116/mo £2,058 each (if split by room)

Fitzrovia Apartments, W1W

2 bed 1 bath East Marylebone

4 days on market avail 3 Dec Share Portal ↗

603 sqft 56 m²

£4.98/sqft £53.60/m² 38% below W1 median
£3,000/mo £1,500 each (if split by room)

25 Charles Street, London, W1J

2 bed 2 bath Chinatown

listed yesterday avail 10 Oct Share Portal ↗

627 sqft 58 m²

£5.01/sqft £53.93/m² 38% below W1 median
£3,141/mo

York Street, London

1 bed 1 bath Marylebone

2 days on market avail 20 Oct Share Agent's site ↗

1,991 sqft 185 m²

£5.33/sqft £57.37/m² short let
£10,617/mo

Montagu Square, London W1H

3 bed 2 bath Marylebone

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

1,546 sqft 144 m²

£5.33/sqft £57.37/m² 34% below W1 median
£8,246/mo £4,123 each (if split by room)

Wardour Street, London, W1D

2 bed 2 bath Chinatown

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

800 sqft 74 m²

£5.39/sqft £58.02/m² 33% below W1 median
£4,312/mo £2,156 each (if split by room)

Great Portland Street, Fitzrovia, London, W1W

2 bed 1 bath East Marylebone

4 days on market avail 27 Nov Share Portal ↗

554 sqft 51 m²

£5.42/sqft £58.34/m² 33% below W1 median
£3,000/mo £1,500 each (if split by room)

Cleveland Street, London, W1T

2 bed 1 bath Bloomsbury

6 days on market avail 23 Oct Share Portal ↗

904 sqft 84 m²

£5.53/sqft £59.52/m² 31% below W1 median
£4,996/mo £2,498 each (if split by room)

Carrington House, Hertford Street, Mayfair, London, W1J

2 bed 2 bath Chinatown

3 days on market avail 26 Oct Share Agent's site ↗

368 sqft 34 m²

£5.65/sqft £60.82/m² 30% below W1 median
£2,080/mo

136/138 New Cavendish St (2)

1 bed 1 bath East Marylebone

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

440 sqft 41 m²

£5.68/sqft £61.14/m² 29% below W1 median
£2,500/mo

Hanson Street, Fitzrovia, London, W1W

1 bed 1 bath East Marylebone

4 days on market avail 30 Oct Share Portal ↗

1,236 sqft 115 m²

£5.70/sqft £61.35/m² 29% below W1 median
£7,042/mo £3,521 each (if split by room)

Reeves Mews, Mayfair

2 bed 2 bath Marylebone

3 days on market Share Agent's site ↗

4,893 sqft 455 m²

£5.76/sqft £62.00/m² 28% below W1 median
£28,167/mo £4,024 each (if split by room)

Upper Brook Street, Marble Arch, W1K

7 bed 5 bath Marylebone

Also listed here £47,667 short let ↗

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

4,893 sqft 455 m²

£5.76/sqft £62.00/m² 28% below W1 median
£28,167/mo £4,024 each (if split by room)

Upper Brook Street, London, W1K

7 bed 7 bath Marylebone

2 days on market Share Portal ↗

601 sqft 56 m²

£5.82/sqft £62.65/m² 28% below W1 median
£3,500/mo £1,750 each (if split by room)

York Street, London, W1U

2 bed 1 bath Marylebone

2 days on market avail 20 Nov Share Portal ↗

570 sqft 53 m²

£5.89/sqft £63.40/m² 27% below W1 median
£3,358/mo £1,679 each (if split by room)

Riding House Street, London, W1W

2 bed 1 bath East Marylebone

4 days on market avail 4 Dec Share Portal ↗

1,203 sqft 112 m²

£5.90/sqft £63.51/m² 27% below W1 median
£7,100/mo £2,367 each (if split by room)

Hill Street, City Of Westminster, London

3 bed 2 bath Chinatown

listed yesterday avail 28 Sep Share Portal ↗

4,772 sqft 443 m²

£5.90/sqft £63.51/m² 27% below W1 median
£28,167/mo £4,024 each (if split by room)

Upper Brook Street, Mayfair, London, W1K

7 bed 7 bath Marylebone

Also listed here £47,667 short let ↗

6 days on market Share Agent's site ↗

1,121 sqft 104 m²

£5.99/sqft £64.48/m² 26% below W1 median
£6,717/mo £3,359 each (if split by room)

Upper Wimpole Street, Marylebone Village, London W1G

2 bed 2 bath Marylebone

5 days on market avail 31 Oct Share Agent's site ↗

446 sqft 41 m²

£6.07/sqft £65.34/m² 25% below W1 median
£2,708/mo

Lowndes Court, Fitzrovia & Covent Garden

1 bed 1 bath East Marylebone

5 days on market Share Agent's site ↗

463 sqft 43 m²

£6.08/sqft £65.44/m² 24% below W1 median
£2,817/mo

Hill Street, Mayfair, London, W1J

0 bed 1 bath Chinatown

4 days on market avail 30 Oct Share Portal ↗

826 sqft 77 m²

£6.30/sqft £67.81/m² 22% below W1 median
£5,200/mo £2,600 each (if split by room)

Gloucester Place Mews, Marylebone, London, W1U

2 bed 2 bath Marylebone

4 days on market Share Portal ↗

826 sqft 77 m²

£6.30/sqft £67.81/m² 22% below W1 median
£5,200/mo £2,600 each (if split by room)

Gloucester Place Mews, W1U

2 bed 2 bath Marylebone

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

1,163 sqft 108 m²

£6.37/sqft £68.57/m² 21% below W1 median
£7,410/mo £2,470 each (if split by room)

Hill Street, Mayfair W1J

3 bed 2 bath Chinatown

3 days on market Share Portal ↗

480 sqft 45 m²

£6.41/sqft £69.00/m² 20% below W1 median
£3,077/mo

Grafton Way, Fitzrovia, London, W1T

1 bed 1 bath East Marylebone

listed today avail 30 Oct Share Portal ↗

420 sqft 39 m²

£6.50/sqft £69.97/m² 19% below W1 median
£2,730/mo

Lowndes Court, W1F

1 bed 1 bath East Marylebone

4 days on market avail 7 Dec Share Agent's site ↗

1,050 sqft 98 m²

£6.58/sqft £70.83/m² 18% below W1 median
£6,912/mo £3,456 each (if split by room)

Berkeley Street, Mayfair

2 bed 2 bath Chinatown

Also listed here £6,912 same price ↗

6 days on market Share Agent's site ↗

784 sqft 73 m²

£6.63/sqft £71.36/m² 18% below W1 median
£5,200/mo £2,600 each (if split by room)

Gloucester Place Mews, Marylebone

2 bed 2 bath Marylebone

4 days on market Share Agent's site ↗

1,015 sqft 94 m²

£6.65/sqft £71.58/m² 17% below W1 median
£6,750/mo £3,375 each (if split by room)

De Walden Street, Marylebone Village, W1G

2 bed 2 bath Marylebone

2 days on market avail 2 Oct Share Portal ↗

819 sqft 76 m²

£6.67/sqft £71.80/m² 17% below W1 median
£5,460/mo

Grosvenor Hill, Mayfair, London, W1K

1 bed 2 bath Chinatown

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

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 ↗

616 sqft 57 m²

£6.68/sqft £71.90/m² 17% below W1 median
£4,117/mo

Hallam Street, Fitzrovia, London, W1W

1 bed 1 bath East Marylebone

5 days on market avail 13 Nov Share Portal ↗

637 sqft 59 m²

£6.80/sqft £73.19/m² 16% below W1 median
£4,334/mo

Weymouth Street, Marylebone, London, W1W

1 bed 2 bath East Marylebone

Also listed here £7,258 short let ↗

4 days on market Share Agent's site ↗

409 sqft 38 m²

£6.89/sqft £74.16/m² 14% below W1 median
£2,817/mo

Hill Street, Mayfair W1

0 bed 1 bath Chinatown

3 days on market avail 30 Oct Share Portal ↗

1,130 sqft 105 m²

£6.90/sqft £74.27/m² 14% below W1 median
£7,800/mo £3,900 each (if split by room)

Devonshire Street, Marylebone

2 bed 2 bath Marylebone

listed yesterday 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 ↗

1,006 sqft 93 m²

£6.96/sqft £74.92/m² 14% below W1 median
£7,000/mo £2,333 each (if split by room)

Maddox Street, London, W1S

3 bed 2 bath East Marylebone

5 days on market avail 28 Sep Share Portal ↗

356 sqft 33 m²

£7.00/sqft £75.35/m² 13% below W1 median
£2,492/mo

Seymour Place London W1H

0 bed 1 bath Marylebone

6 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.