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.

18,375 flats measured

Best £/sqft£/m² first

9 listings · £8.12/sqft£87.40/m² median in Marylebone

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.

775 sqft 72 m²

£4.90/sqft £52.74/m² 40% below Marylebone median
£3,800/mo £1,900 each (if split by room) was £3,850 ◷ relisted 1×

Bourne House, London, NW1

2 bed 2 bath Marylebone

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

1,456 sqft 135 m²

£6.77/sqft £72.87/m² 17% below Marylebone median
£9,850/mo £3,283 each (if split by room) ◷ relisted 4×

Flat 31, 219 Baker, 219 Baker Street, London, NW1

3 bed 4 bath Marylebone

6 days on market avail 28 Oct Share Agent's site ↗

533 sqft 50 m²

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

Avenfield House, Park Lane, Mayfair

1 bed 1 bath Marylebone

2 days on market avail now Share Portal ↗

1,397 sqft 130 m²

£7.05/sqft £75.89/m² 13% below Marylebone median
£9,850/mo £3,283 each (if split by room) ◷ relisted 6×

Flat 73, 219 Baker, 219 Baker Street, London, NW1

3 bed 4 bath Marylebone

6 days on market avail 21 Oct Share Agent's site ↗

1,207 sqft 112 m²

£7.71/sqft £82.99/m² 5% below Marylebone median
£9,300/mo £3,100 each (if split by room) ◷ relisted 1×

Baker Street, London

3 bed 3 bath Marylebone

2 days on market avail 22 Nov Share Agent's site ↗

1,230 sqft 114 m²

£7.89/sqft £84.93/m²
£9,700/mo £3,233 each (if split by room) ◷ relisted 5×

Flat 43, 219 Baker, 219 Baker Street, London, NW1

3 bed 3 bath Marylebone

6 days on market avail 7 Oct Share Agent's site ↗

3,096 sqft 288 m²

£8.05/sqft £86.65/m²
£24,917/mo £8,306 each (if split by room) was £25,783 ◷ relisted 1×

Bingham Place, London, W1U

3 bed 3 bath Marylebone

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

829 sqft 77 m²

£8.87/sqft £95.48/m²
£7,350/mo £3,675 each (if split by room) ◷ relisted 7×

Flat 15, 219 Baker Street, London, NW1

2 bed 2 bath Marylebone

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

818 sqft 76 m²

£20.63/sqft £222.06/m² 154% above Marylebone 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.