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.

18,975 flats measured

Best £/sqft£/m² first

721–768 of 1,031 · £8.09/sqft£87.08/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.

818 sqft 76 m²

£15.39/sqft £165.66/m² 90% above Mayfair median
£12,588/mo £6,294 each (if split by room) ◷ 55 days on market

Harley Street, Marylebone, W1G

2 bed 2 bath Marylebone

55 days on market avail now Share Portal ↗

3,940 sqft 366 m²

£15.40/sqft £165.76/m² 90% above Mayfair median
£60,667/mo £15,167 each (if split by room)

Mount Street, London

4 bed 4 bath Marylebone

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

3,940 sqft 366 m²

£15.40/sqft £165.76/m² 90% above Mayfair median
£60,667/mo £15,167 each (if split by room)

Penthouse, Mount Street, Mayfair, London, W1K

4 bed 4 bath Marylebone

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

614 sqft 57 m²

£15.43/sqft £166.09/m² short let
£9,477/mo ◷ 55 days on market

Welbeck Street, Marylebone, London, W1G

1 bed 2 bath Marylebone

55 days on market avail now Share Portal ↗

2,802 sqft 260 m²

£15.47/sqft £166.52/m² short let
£43,333/mo ◷ 3mo on market

Hereford House, Mayfair, London, W1K

4 bed 4 bath Marylebone

3mo on market avail now Share Portal ↗

771 sqft 72 m²

£15.54/sqft £167.27/m² short let
£11,982/mo ◷ 55 days on market

Harley Street

1 bed 1 bath Marylebone

55 days on market avail now Share Portal ↗

1,553 sqft 144 m²

£15.57/sqft £167.59/m² 92% above Mayfair median
£24,180/mo £8,060 each (if split by room) was £27,083 ◷ 55 days on market

Charles Street, Mayfair, W1J

3 bed 2 bath Chinatown

55 days on market avail now Share Portal ↗

610 sqft 57 m²

£15.66/sqft £168.56/m² short let
£9,555/mo ◷ 32 days on market

Welbeck Street, South Marylebone, W1G

1 bed 1 bath Marylebone

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

2,844 sqft 264 m²

£15.82/sqft £170.28/m² 96% above Mayfair median
£44,997/mo £14,999 each (if split by room) ◷ 55 days on market

North Audley Street

3 bed 3 bath Marylebone

55 days on market Share Portal ↗

1,516 sqft 141 m²

£15.95/sqft £171.68/m² 97% above Mayfair median
£24,180/mo £8,060 each (if split by room) was £27,083 ◷ 5mo on market

Charles Street, Mayfair

3 bed 3 bath Chinatown

3mo on market Share Agent's site ↗

1,565 sqft 145 m²

£15.97/sqft £171.90/m² 97% above Mayfair median
£24,999/mo £12,500 each (if split by room) ◷ 55 days on market

Ashburton Place, Mayfair, London, W1J

2 bed 2 bath Chinatown

55 days on market Share Agent's site ↗

894 sqft 83 m²

£16.12/sqft £173.51/m² short let
£14,408/mo ◷ 32 days on market

Weymouth Mews, Marylebone, W1G

2 bed 2 bath Marylebone

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

1,059 sqft 98 m²

£16.16/sqft £173.94/m² 100% above Mayfair median
£17,117/mo

The OWO Residences by Raffles, Westminster SW1

1 bed 1 bath Chinatown

13 days on market avail 20 Nov Share Portal ↗

646 sqft 60 m²

£16.20/sqft £174.38/m² short let
£10,465/mo ◷ 36 days on market

Harley Street, South Marylebone, W1G

1 bed 1 bath Marylebone

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

769 sqft 71 m²

£16.34/sqft £175.88/m² short let
£12,567/mo ◷ 55 days on market

Marylebone Lane, Marylebone, W1U

2 bed 2 bath Marylebone

55 days on market Share Agent's site ↗

516 sqft 48 m²

£16.34/sqft £175.88/m² short let
£8,433/mo ◷ 55 days on market

Wellington Street

1 bed 1 bath Chinatown

55 days on market Share Portal ↗

2,700 sqft 251 m²

£16.45/sqft £177.07/m² 103% above Mayfair median
£44,417/mo £14,806 each (if split by room) ◷ 55 days on market

Brook Street, Mayfair, W1

3 bed 3 bath East Marylebone

55 days on market avail now Share Portal ↗

507 sqft 47 m²

£16.69/sqft £179.65/m² short let
£8,463/mo ◷ 55 days on market

Shaftesbury Avenue

1 bed 1 bath Chinatown

55 days on market Share Portal ↗

613 sqft 57 m²

£16.82/sqft £181.05/m² short let
£10,309/mo ◷ 55 days on market

Rathbone Place

2 bed 1 bath East Marylebone

55 days on market Share Portal ↗

516 sqft 48 m²

£16.93/sqft £182.23/m² short let
£8,736/mo ◷ 55 days on market

Wellington Street, London, WC2B

1 bed 1 bath Chinatown

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

2,027 sqft 188 m²

£17.10/sqft £184.06/m² 111% above Mayfair median
£34,667/mo £11,556 each (if split by room)

Charles Street, London, W1X W1J

3 bed 3 bath Chinatown

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

531 sqft 49 m²

£17.14/sqft £184.49/m² short let
£9,100/mo ◷ 32 days on market

Welbeck Street, South Marylebone, W1G

1 bed 1 bath Marylebone

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

931 sqft 86 m²

£17.19/sqft £185.03/m² 112% above Mayfair median
£16,000/mo was £17,333

The OWO Residences, Whitehall, SW1A

1 bed 1 bath Chinatown

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

528 sqft 49 m²

£17.23/sqft £185.46/m² 113% above Mayfair median
£9,100/mo ◷ 6mo on market

North Audley Street London W1K

1 bed 1 bath Marylebone

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

528 sqft 49 m²

£17.23/sqft £185.46/m² short let
£9,100/mo ◷ 6mo on market

North Audley Street Mayfair W1K

1 bed 1 bath Marylebone

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

507 sqft 47 m²

£17.23/sqft £185.46/m² short let
£8,736/mo ◷ 53 days on market

Shaftsbury Avenue, London, W1D

1 bed 1 bath Chinatown

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

1,034 sqft 96 m²

£17.45/sqft £187.83/m² 116% above Mayfair median
£18,048/mo ◷ 55 days on market

Harley Street

0 bed ? bath Marylebone

55 days on market avail now Share Portal ↗

1,033 sqft 96 m²

£17.47/sqft £188.05/m² short let
£18,048/mo ◷ 36 days on market

Harley Street, South Marylebone, W1G

2 bed 2 bath Marylebone

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

1,033 sqft 96 m²

£17.47/sqft £188.05/m² 116% above Mayfair median
£18,048/mo £9,024 each (if split by room) ◷ 55 days on market

Harley Street, Marylebone, W1G

2 bed 2 bath Marylebone

55 days on market avail now Share Portal ↗

1,565 sqft 145 m²

£17.57/sqft £189.12/m² 117% above Mayfair median
£27,500/mo £13,750 each (if split by room) ◷ 3mo on market

Clarges, 1 Ashburton Place, London

2 bed 2 bath Chinatown

3mo on market avail now Share Portal ↗

646 sqft 60 m²

£17.61/sqft £189.55/m² 118% above Mayfair median
£11,375/mo ◷ 55 days on market

Harley Street, Marylebone, W1G

1 bed 1 bath Marylebone

55 days on market avail now Share Portal ↗

679 sqft 63 m²

£17.65/sqft £189.98/m² short let
£11,982/mo ◷ 55 days on market

Harley Street, Marylebone, W1G

1 bed 1 bath Marylebone

55 days on market Share Agent's site ↗

679 sqft 63 m²

£17.65/sqft £189.98/m² short let
£11,982/mo ◷ 55 days on market

Harley Street

1 bed 1 bath Marylebone

55 days on market avail now Share Portal ↗

1,211 sqft 113 m²

£17.89/sqft £192.57/m² short let
£21,667/mo ◷ 55 days on market

Marylebone Lane, Marylebone, W1U

3 bed 2 bath Marylebone

55 days on market Share Agent's site ↗

569 sqft 53 m²

£17.90/sqft £192.67/m² 121% above Mayfair median
£10,183/mo

Marylebone Lane, Marylebone, London, W1U

1 bed 1 bath Marylebone

listed yesterday Share Agent's site ↗

566 sqft 53 m²

£17.95/sqft £193.21/m² short let
£10,162/mo ◷ 55 days on market

Marylebone Lane, Marylebone, W1U

1 bed 1 bath Marylebone

55 days on market Share Portal ↗

615 sqft 57 m²

£18.04/sqft £194.18/m² 123% above Mayfair median
£11,093/mo was £12,619

Weymouth Mews, Marylebone, London, W1G

1 bed 1 bath Marylebone

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

662 sqft 62 m²

£18.10/sqft £194.83/m² short let
£11,982/mo ◷ 55 days on market

Harley Street

1 bed 1 bath Marylebone

55 days on market avail now Share Portal ↗

826 sqft 77 m²

£18.18/sqft £195.69/m² short let
£15,015/mo ◷ 55 days on market

Harley Street

2 bed 2 bath Marylebone

55 days on market avail now Share Portal ↗

656 sqft 61 m²

£18.27/sqft £196.66/m² short let
£11,982/mo ◷ 55 days on market

Harley Street

1 bed 1 bath Marylebone

55 days on market avail now Share Portal ↗

818 sqft 76 m²

£18.36/sqft £197.63/m² short let
£15,015/mo ◷ 36 days on market

Harley Street, South Marylebone, W1G

2 bed 2 bath Marylebone

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

1,479 sqft 137 m²

£18.36/sqft £197.63/m² short let
£27,148/mo ◷ 32 days on market

Weymouth Mews, Marylebone, W1G

3 bed 2 bath Marylebone

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

1,170 sqft 109 m²

£18.54/sqft £199.56/m² short let
£21,688/mo

-78 Marylebone Lane, South Marylebone, W1U

3 bed 2 bath Marylebone

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

726 sqft 67 m²

£18.55/sqft £199.67/m² short let
£13,468/mo

Picton Place, London, W1U

2 bed 1 bath Marylebone

21 days on market Share Agent's site ↗

1,921 sqft 178 m²

£18.95/sqft £203.98/m² 134% above Mayfair median
£36,400/mo £12,133 each (if split by room) ◷ 57 days on market

Arlington Street, Arlington House Arlington Street, SW1A

3 bed 4 bath Chinatown

57 days on market Share Portal ↗

455 sqft 42 m²

£18.99/sqft £204.41/m² short let
£8,640/mo ◷ 55 days on market

Rathbone Place

1 bed 1 bath East Marylebone

55 days on market Share Portal ↗

615 sqft 57 m²

£18.99/sqft £204.41/m² 135% above Mayfair median
£11,678/mo

Weymouth Mews, Marylebone, W1G

1 bed ? bath Marylebone

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

2,700 sqft 251 m²

£19.26/sqft £207.31/m² 138% above Mayfair median
£52,000/mo £17,333 each (if split by room) ◷ 3mo on market

Brook Street, Mayfair, London, W1K

3 bed 3 bath East Marylebone

3mo 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.