GaffFinder

London lettings, by the square foot

Saved Get alerts

Every London flat, measured.

The portals won’t let you rank by size. We read the floorplans, so you can.

18,826 flats measured

Best £/sqft£/m² first

97–144 of 358 · £8.17/sqft£87.94/m² median in Mayfair

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.

1,050 sqft 98 m²

£6.58/sqft £70.83/m² 19% below Mayfair 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 ↗

7 days on market Share Agent's site ↗

1,015 sqft 94 m²

£6.65/sqft £71.58/m² 19% below Mayfair median
£6,750/mo £3,375 each (if split by room)

De Walden Street, Marylebone Village, W1G

2 bed 2 bath Marylebone

3 days on market avail 2 Oct Share Portal ↗

819 sqft 76 m²

£6.67/sqft £71.80/m² 18% below Mayfair median
£5,460/mo

Grosvenor Hill, Mayfair, London, W1K

1 bed 2 bath Chinatown

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

616 sqft 57 m²

£6.68/sqft £71.90/m² 18% below Mayfair median
£4,117/mo

Hallam Street, Fitzrovia, London, W1W

1 bed 1 bath East Marylebone

6 days on market avail 13 Nov Share Portal ↗

344 sqft 32 m²

£6.69/sqft £72.01/m² 18% below Mayfair median
£2,300/mo

Marylebone High Street, Marylebone, W1U

0 bed 1 bath Marylebone

listed today avail 30 Sep Share Agent's site ↗

311 sqft 29 m²

£6.76/sqft £72.76/m² 17% below Mayfair median
£2,102/mo

Old Compton Street, Soho, W1D

0 bed 1 bath East Marylebone

24 days on market avail 6 Nov Share Portal ↗

344 sqft 32 m²

£6.80/sqft £73.19/m² 17% below Mayfair median
£2,340/mo

Slingsby Place, Seven Dials WC2

0 bed 1 bath Chinatown

5 days on market avail 9 Nov Share Agent's site ↗

637 sqft 59 m²

£6.80/sqft £73.19/m² 17% below Mayfair median
£4,334/mo

Weymouth Street, Marylebone, London, W1W

1 bed 2 bath East Marylebone

Also listed here £7,258 short let ↗

6 days on market Share Agent's site ↗

343 sqft 32 m²

£6.82/sqft £73.41/m² 17% below Mayfair median
£2,340/mo

Slingsby Place, St Martin's Courtyard, WC2E

0 bed 1 bath Chinatown

5 days on market avail 1 Nov Share Agent's site ↗

341 sqft 32 m²

£6.86/sqft £73.84/m² 16% below Mayfair median
£2,340/mo

Slingsby Place, London, Covent Garden, WC2E

0 bed 1 bath Chinatown

5 days on market avail 9 Nov Share Agent's site ↗

943 sqft 88 m²

£6.89/sqft £74.16/m² 16% below Mayfair median
£6,500/mo £3,250 each (if split by room)

Berkeley Square, Mayfair, W1J

2 bed 2 bath Chinatown

27 days on market Share Agent's site ↗

409 sqft 38 m²

£6.89/sqft £74.16/m² 16% below Mayfair median
£2,817/mo

Hill Street, Mayfair W1

0 bed 1 bath Chinatown

5 days on market avail 30 Oct Share Portal ↗

1,130 sqft 105 m²

£6.90/sqft £74.27/m² 16% below Mayfair median
£7,800/mo £3,900 each (if split by room)

Devonshire Street, Marylebone

2 bed 2 bath Marylebone

3 days on market Share Agent's site ↗

533 sqft 50 m²

£6.91/sqft £74.38/m² 15% below Mayfair median
£3,683/mo ◷ relisted 2×

Avenfield House, Park Lane, Mayfair

1 bed 1 bath Marylebone

3 days on market avail now Share Portal ↗

311 sqft 29 m²

£6.91/sqft £74.38/m² 15% below Mayfair median
£2,150/mo

Rupert Street, Soho

1 bed 1 bath East Marylebone

10 days on market Share Agent's site ↗

1,050 sqft 98 m²

£6.91/sqft £74.38/m² 15% below Mayfair median
£7,258/mo £3,629 each (if split by room)

Temple House, London, WC2R

2 bed 2 bath Chinatown

20 days on market avail 4 Nov Share Agent's site ↗

1,006 sqft 93 m²

£6.96/sqft £74.92/m² 15% below Mayfair median
£7,000/mo £2,333 each (if split by room)

Maddox Street, London, W1S

3 bed 2 bath East Marylebone

7 days on market avail now Share Portal ↗

819 sqft 76 m²

£7.00/sqft £75.35/m² 14% below Mayfair median
£5,733/mo

Grosvenor Hill, Mayfair, London

1 bed 2 bath Chinatown

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

1,496 sqft 139 m²

£7.02/sqft £75.56/m² 14% below Mayfair median
£10,500/mo £3,500 each (if split by room) ◷ relisted 1×

Strand, Gladstone House, WC2R

3 bed 3 bath Chinatown

3 days on market Share Agent's site ↗

920 sqft 85 m²

£7.07/sqft £76.10/m² 13% below Mayfair median
£6,500/mo £3,250 each (if split by room)

Sherwood Street, London, W1F

2 bed 2 bath East Marylebone

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

920 sqft 85 m²

£7.07/sqft £76.10/m² 13% below Mayfair median
£6,500/mo £3,250 each (if split by room)

Sherwood Street, Soho, London W1F

2 bed 2 bath East Marylebone

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

298 sqft 28 m²

£7.13/sqft £76.75/m² 13% below Mayfair median
£2,124/mo was £2,384

James Street, Marylebone, London, W1U

0 bed 1 bath Marylebone

26 days on market Share Agent's site ↗

771 sqft 72 m²

£7.13/sqft £76.75/m² 13% below Mayfair median
£5,500/mo £2,750 each (if split by room)

Piccadilly, Mayfair, W1J

2 bed 1 bath Chinatown

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

771 sqft 72 m²

£7.13/sqft £76.75/m² 13% below Mayfair median
£5,500/mo £2,750 each (if split by room) ◷ relisted 1×

Piccadilly, mayfair, London, W1J

2 bed 1 bath Chinatown

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

968 sqft 90 m²

£7.16/sqft £77.07/m² 12% below Mayfair median
£6,933/mo £3,467 each (if split by room)

Ganton Street, Carnaby W1

2 bed 2 bath East Marylebone

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

723 sqft 67 m²

£7.19/sqft £77.39/m² 12% below Mayfair median
£5,200/mo

Grosvenor Hill, Mayfair, London, W1K

1 bed 1 bath Chinatown

6 days on market avail 18 Nov Share Agent's site ↗

723 sqft 67 m²

£7.19/sqft £77.39/m² 12% below Mayfair median
£5,200/mo

Grosvenor Hill, Mayfair, London

1 bed 2 bath Chinatown

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

961 sqft 89 m²

£7.21/sqft £77.61/m² 12% below Mayfair median
£6,933/mo £3,467 each (if split by room)

Ganton Street, London, W1F

2 bed 2 bath East Marylebone

19 days on market avail 1 Dec Share Agent's site ↗

958 sqft 89 m²

£7.24/sqft £77.93/m² 11% below Mayfair median
£6,933/mo £3,467 each (if split by room)

Ganton Street, Fitzrovia & Covent Garden

2 bed 2 bath East Marylebone

7 days on market Share Agent's site ↗

430 sqft 40 m²

£7.33/sqft £78.90/m² 10% below Mayfair median
£3,150/mo

Garrick House, Carrington Street, London, W1J

1 bed 1 bath Chinatown

4 days on market avail 18 Nov Share Agent's site ↗

1,364 sqft 127 m²

£7.33/sqft £78.90/m² short let
£10,000/mo

Harley St, London, W1G

3 bed 2 bath East Marylebone

6 days on market avail 1 Oct Share Agent's site ↗

413 sqft 38 m²

£7.34/sqft £79.01/m² 10% below Mayfair median
£3,033/mo £1,517 each (if split by room)

City Of Westminster Dwellings, Marshall Street, Soho, W1F

2 bed 1 bath East Marylebone

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

744 sqft 69 m²

£7.34/sqft £79.01/m² 10% below Mayfair median
£5,460/mo £2,730 each (if split by room) ◷ relisted 1×

Hill Street, Mayfair, London, W1J

2 bed 2 bath Chinatown

14 days on market Share Agent's site ↗

521 sqft 48 m²

£7.36/sqft £79.22/m² 10% below Mayfair median
£3,835/mo

Richmond Buildings, Soho, W1D

1 bed 1 bath East Marylebone

4 days on market Share Agent's site ↗

367 sqft 34 m²

£7.38/sqft £79.44/m² 10% below Mayfair median
£2,708/mo

Bourdon Street, London, W1K

1 bed 1 bath East Marylebone

4 days on market avail 1 Nov Share Agent's site ↗

739 sqft 69 m²

£7.39/sqft £79.55/m² 10% below Mayfair median
£5,460/mo £2,730 each (if split by room) ◷ relisted 1×

Hill Street, London, W1J

2 bed 2 bath Chinatown

11 days on market avail now Share Portal ↗

739 sqft 69 m²

£7.39/sqft £79.55/m² 10% below Mayfair median
£5,460/mo £2,730 each (if split by room)

Hill Street, London, W1J

2 bed 2 bath Chinatown

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

739 sqft 69 m²

£7.39/sqft £79.55/m² 10% below Mayfair median
£5,460/mo £2,730 each (if split by room) ◷ relisted 1×

Hill Street, Mayfair, London, W1J

2 bed 2 bath Chinatown

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

739 sqft 69 m²

£7.39/sqft £79.55/m² 10% below Mayfair median
£5,460/mo £2,730 each (if split by room) ◷ relisted 1×

Hill Street, Mayfair, London, W1J

2 bed 2 bath Chinatown

13 days on market Share Portal ↗

739 sqft 69 m²

£7.39/sqft £79.55/m² 10% below Mayfair median
£5,460/mo £2,730 each (if split by room) ◷ relisted 1×

Hill Street, Mayfair, London, W1J

2 bed 2 bath Chinatown

27 days on market Share Agent's site ↗

739 sqft 69 m²

£7.39/sqft £79.55/m² 10% below Mayfair median
£5,460/mo £2,730 each (if split by room) ◷ relisted 1×

Hill Street, Mayfair, W1J

2 bed 2 bath Chinatown

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

739 sqft 69 m²

£7.39/sqft £79.55/m² 10% below Mayfair median
£5,460/mo £2,730 each (if split by room)

Hill Street, W1J

2 bed 2 bath Chinatown

Also listed here £5,460 short let ↗

26 days on market Share Agent's site ↗

631 sqft 59 m²

£7.42/sqft £79.87/m² 9% below Mayfair median
£4,680/mo £2,340 each (if split by room)

Long Acre, Covent Garden, WC2E

2 bed 2 bath Chinatown

11 days on market Share Agent's site ↗

2,271 sqft 211 m²

£7.44/sqft £80.08/m² 9% below Mayfair median
£16,900/mo £8,450 each (if split by room)

Duke Street, Mayfair

2 bed 3 bath Marylebone

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

2,268 sqft 211 m²

£7.45/sqft £80.19/m² 9% below Mayfair median
£16,900/mo £8,450 each (if split by room)

Duke Street, Mayfair, London, W1K

2 bed 2 bath Marylebone

13 days on market avail 5 Oct Share Portal ↗

733 sqft 68 m²

£7.45/sqft £80.19/m² 9% below Mayfair median
£5,460/mo £2,730 each (if split by room)

Hill Street London W1J

2 bed 2 bath Chinatown

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

733 sqft 68 m²

£7.45/sqft £80.19/m² 9% below Mayfair median
£5,460/mo £2,730 each (if split by room) ◷ relisted 1×

Hill Street, London, W1J

2 bed 2 bath Chinatown

13 days on market Share Portal ↗

733 sqft 68 m²

£7.45/sqft £80.19/m² 9% below Mayfair median
£5,460/mo £2,730 each (if split by room) ◷ relisted 1×

Hill Street, London, W1J

2 bed 2 bath Chinatown

11 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.