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.

18,499 flats measured

Best £/sqft£/m² first

18 listings · £5.55/sqft£59.74/m² median in SW1P

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.

1,177 sqft 109 m²

£3.99/sqft £42.95/m² 28% below SW1P median
£4,700/mo was £4,900 ◷ relisted 1×

Marsham Street, London

3 bed 3 bath Millbank

5 days on market avail now Agent's site ↗

833 sqft 77 m²

£4.50/sqft £48.44/m² 19% below SW1P median
£3,750/mo

Chapter Street, London

3 bed 2 bath Grosvenor Estate

3 days on market Agent's site ↗

1,647 sqft 153 m²

£4.74/sqft £51.02/m² 15% below SW1P median
£7,800/mo ◷ relisted 1×

Abell House, John Islip Street, London, SW1P

3 bed 3 bath Grosvenor Estate

5 days on market avail now Portal ↗

1,278 sqft 119 m²

£4.89/sqft £52.64/m² 12% below SW1P median
£6,250/mo ◷ relisted 1×

8 Artillery Row, LONDON, SW1P

3 bed 3 bath Millbank

Also listed here £6,250 same price ↗

3 days on market avail now Agent's site ↗

689 sqft 64 m²

£4.94/sqft £53.17/m² 11% below SW1P median
£3,402/mo was £3,500

Regency Street, London, SW1P

2 bed 2 bath Grosvenor Estate

6 days on market avail now Agent's site ↗

1,742 sqft 162 m²

£5.45/sqft £58.66/m²
£9,500/mo

Tufton Street, Eglise House, SW1P

3 bed 1 bath Millbank

2 days on market Agent's site ↗

487 sqft 45 m²

£5.65/sqft £60.82/m²
£2,750/mo

Luke House, 3 Abbey Orchard Street, London, SW1P

1 bed 1 bath Millbank

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

1,202 sqft 112 m²

£5.82/sqft £62.65/m²
£7,000/mo

Abell House, 31 John Islip Street, Westminster, London, SW1P

3 bed 3 bath Grosvenor Estate

3 days on market avail now Agent's site ↗

1,113 sqft 103 m²

£5.84/sqft £62.86/m²
£6,500/mo

Greycoat Street, Westminster, London, SW1P

3 bed 2 bath Millbank

4 days on market avail 11 Nov Agent's site ↗

1,678 sqft 156 m²

£5.96/sqft £64.15/m²
£10,000/mo

Dean Ryle Street, London, SW1P

3 bed 3 bath Grosvenor Estate

4 days on market avail 23 Oct Agent's site ↗

1,670 sqft 155 m²

£5.99/sqft £64.48/m²
£10,000/mo

Dean Ryle Street, Westminster, London, SW1P

3 bed 3 bath Grosvenor Estate

2 days on market avail now Agent's site ↗

430 sqft 40 m²

£6.98/sqft £75.13/m² 26% above SW1P median
£3,000/mo

Millbank Court, 24 John Islip Street, Westminster, London, SW1P

1 bed 1 bath Grosvenor Estate

3 days on market avail 12 Nov Agent's site ↗

1,776 sqft 165 m²

£7.04/sqft £75.78/m² 27% above SW1P median
£12,497/mo

Tufton Street, Westminster

4 bed 3 bath Millbank

2 days on market Agent's site ↗

size unknown

—/sqft/m²
£2,383/mo

Chapter Street, Westminster, London, SW1P 4NR

2 bed 1 bath Grosvenor Estate

listed today avail 25 Oct Portal ↗

size unknown

—/sqft/m²
£9,350/mo

Cleland House, John Islip Street, City Of Westminster, London

3 bed 3 bath Grosvenor Estate

2 days on market avail now Portal ↗

size unknown

—/sqft/m²
£2,800/mo

Dolben Court, Montaigne Close, Westminster, London, SW1P

1 bed 1 bath Grosvenor Estate

5 days on market avail 20 Oct Portal ↗

size unknown

—/sqft/m²
£16,000/mo

Millbank, London, SW1P

4 bed ? bath Millbank

4 days on market avail now Agent's site ↗

size unknown

—/sqft/m²
£6,500/mo

Page Street, Westminster, SW1P

3 bed 2 bath Grosvenor Estate

listed yesterday avail 1 Oct 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.