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.

18,208 flats measured

Best £/sqft£/m² first

12 listings · £7.32/sqft£78.79/m² median in SW1X

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.

3,329 sqft 309 m²

£5.14/sqft £55.33/m² 30% below SW1X median
£17,117/mo £2,853 each (if split by room) ◷ relisted 5×

Wilton Street, SW1X

6 bed 5 bath Belgravia

3 days on market Share Agent's site ↗

2,053 sqft 191 m²

£5.36/sqft £57.69/m² 27% below SW1X median
£11,000/mo £2,200 each (if split by room)

Clabon Mews, Knightsbridge, SW1X

5 bed 3 bath Belgravia

3 days on market avail 30 Nov Share Agent's site ↗

2,327 sqft 216 m²

£5.97/sqft £64.26/m² 18% below SW1X median
£13,900/mo £2,780 each (if split by room)

Knightsbridge, SW1X

5 bed 5 bath Belgravia

3 days on market Share Agent's site ↗

3,047 sqft 283 m²

£6.33/sqft £68.14/m² 14% below SW1X median
£19,283/mo £4,821 each (if split by room)

Shafto Mews, London SW1X

4 bed 5 bath Belgravia

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

6,063 sqft 563 m²

£7.86/sqft £84.60/m²
£47,667/mo £7,945 each (if split by room)

Chester Street, City Of Westminster, London

6 bed 6 bath Belgravia

5 days on market avail 1 Oct Share Portal ↗

3,212 sqft 298 m²

£11.47/sqft £123.46/m² 57% above SW1X median
£36,833/mo £9,208 each (if split by room)

Eaton Place, Belgravia, SW1X

4 bed 4 bath Belgravia

3 days on market avail now Share Portal ↗

3,212 sqft 298 m²

£11.52/sqft £124.00/m² 57% above SW1X median
£36,998/mo £9,250 each (if split by room)

Eaton Place, Belgravia, London, SW1X

4 bed 4 bath Belgravia

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

3,662 sqft 340 m²

£11.77/sqft £126.69/m² 61% above SW1X median
£43,117/mo £8,623 each (if split by room)

Hans Place, Knightsbridge, London, SW1X

5 bed 5 bath Belgravia

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

3,042 sqft 283 m²

£12.11/sqft £130.35/m² 65% above SW1X median
£36,833/mo £9,208 each (if split by room)

Eaton Place, Belgravia, London, SW1X

4 bed 4 bath Belgravia

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

size unknown

—/sqft/m²
£43,333/mo £8,667 each (if split by room)

Brompton Road, Knightsbridge, London, SW1X

5 bed ? bath Belgravia

4 days on market avail now Share Portal ↗

size unknown

—/sqft/m²
£8,493/mo £2,123 each (if split by room)

Cadogan Lane, London, SW1X

4 bed 2 bath Belgravia

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

size unknown

—/sqft/m²
£13,900/mo £2,780 each (if split by room)

Knightsbridge, South Kensington

5 bed 4 bath Belgravia

6 days on market 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.