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.

18,574 flats measured

Best £/sqft£/m² first

11 listings · £8.19/sqft£88.16/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.

1,582 sqft 147 m²

£4.25/sqft £45.75/m² 48% below Mayfair median
£6,717/mo £3,359 each (if split by room) ◷ relisted 1×

St Martin's Lane, Covent Garden WC2

2 bed 2 bath Chinatown

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

1,573 sqft 146 m²

£4.27/sqft £45.96/m² 48% below Mayfair median
£6,717/mo £3,359 each (if split by room) ◷ relisted 1×

St Martins Lane, Covent Garden, WC2N

2 bed 2 bath Chinatown

6 days on market Share Agent's site ↗

778 sqft 72 m²

£4.87/sqft £52.42/m² 41% below Mayfair median
£3,791/mo £1,896 each (if split by room) ◷ relisted 1×

St. Martin's Lane, Covent Garden, London, WC2N

2 bed 2 bath Chinatown

4 days on market avail 19 Oct Share Portal ↗

533 sqft 50 m²

£6.91/sqft £74.38/m² 16% below Mayfair 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 ↗

1,496 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

2 days on market Share Agent's site ↗

728 sqft 68 m²

£7.50/sqft £80.73/m² 8% below Mayfair 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 ↗

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 ↗

1,241 sqft 115 m²

£8.73/sqft £93.97/m²
£10,833/mo £3,611 each (if split by room) ◷ relisted 1×

Lincoln Square, Portugal Street, WC2A

3 bed 2 bath Chinatown

5 days on market avail 20 Oct Share Portal ↗

320 sqft 30 m²

£10.94/sqft £117.76/m² short let
£3,500/mo ◷ relisted 1×

Fletcher Buildings,, Covent Garden, London, WC2B

1 bed 1 bath Chinatown

3 days on market Share Agent's site ↗

1,645 sqft 153 m²

£11.06/sqft £119.05/m² 35% above Mayfair 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 152% above Mayfair 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.