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.

18,541 flats measured

Best £/sqft£/m² first

1–48 of 1,565 · £3.99/sqft£42.95/m² median in London

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.

2,431 sqft 226 m²

£1.34/sqft £14.42/m² 66% below London median
£3,250/mo £650 each (if split by room) was £3,500

Royal Quay, Harefield, UB9

5 bed 4 bath Harefield

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

2,247 sqft 209 m²

£1.40/sqft £15.07/m² 65% below London median
£3,150/mo £630 each (if split by room)

Cromwell Road, Feltham, Middlesex, TW13

5 bed 3 bath Feltham

3 days on market avail now Share Portal ↗

3,906 sqft 363 m²

£1.41/sqft £15.18/m² short let
£5,500/mo

Foxes Dale, Blackheath Park, SE3

5 bed 4 bath Blackheath Cator Estate

10 days on market avail 9 Jan 2027 Share Agent's site ↗

2,208 sqft 205 m²

£1.43/sqft £15.39/m² 64% below London median
£3,150/mo £630 each (if split by room)

Woodland Terrace, Charlton

5 bed 2 bath Charlton Riverside

3 days on market Share Agent's site ↗

2,614 sqft 243 m²

£1.45/sqft £15.61/m² 64% below London median
£3,800/mo £760 each (if split by room)

Heybridge Avenue, Streatham

5 bed 3 bath Norbury

5 days on market Share Agent's site ↗

2,396 sqft 223 m²

£1.46/sqft £15.72/m² 63% below London median
£3,500/mo £700 each (if split by room)

Charles Howell Drive, Coulsdon

5 bed 4 bath Coulsdon

10 days on market avail 16 Oct Share Agent's site ↗

2,315 sqft 215 m²

£1.47/sqft £15.82/m² 63% below London median
£3,400/mo £567 each (if split by room)

Sylvia Avenue, Hatch

6 bed 3 bath Harrow

26 days on market avail 4 Nov Share Agent's site ↗

2,746 sqft 255 m²

£1.53/sqft £16.47/m² 62% below London median
£4,200/mo £840 each (if split by room)

Corringway, Ealing, London

5 bed 3 bath Ealing

6 days on market avail 1 Nov Share Portal ↗

3,217 sqft 299 m²

£1.55/sqft £16.68/m² 61% below London median
£5,000/mo £833 each (if split by room)

Preston Hill, Harrow, HA3

6 bed 4 bath Kingsbury

10 days on market Share Agent's site ↗

1,858 sqft 173 m²

£1.56/sqft £16.79/m² 61% below London median
£2,900/mo £580 each (if split by room)

Briar Crescent, Northolt, Ealing

5 bed 3 bath Northolt

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

1,766 sqft 164 m²

£1.56/sqft £16.79/m² 61% below London median
£2,750/mo £550 each (if split by room)

Grenoble Gardens, Palmers Green, N13

5 bed 3 bath Bowes

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

2,562 sqft 238 m²

£1.56/sqft £16.79/m² short let
£4,000/mo

Wakehams Hill, Pinner, HA5

4 bed 3 bath Pinner

11 days on market Share Agent's site ↗

7,830 sqft 727 m²

£1.60/sqft £17.22/m² 60% below London median
£12,497/mo £1,785 each (if split by room) was £14,998

Warren Road, Coombe, Kingston upon Thames, KT2

7 bed 7 bath Coombe

19 days on market Share Agent's site ↗

1,243 sqft 115 m²

£1.61/sqft £17.33/m² short let
£2,000/mo

Harlington Road, Uxbridge

4 bed 2 bath Pield Heath

20 days on market avail now Share Portal ↗

4,347 sqft 404 m²

£1.61/sqft £17.33/m² 60% below London median
£6,995/mo £1,166 each (if split by room)

Sandalwood Close, Arkley, Hertfordshire, EN5

6 bed 5 bath Arkley

24 days on market avail 22 Oct Share Agent's site ↗

3,019 sqft 280 m²

£1.61/sqft £17.33/m² 60% below London median
£4,850/mo £1,213 each (if split by room)

Vine Grove, Hillingdon.

4 bed 2 bath Ickenham

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

1,543 sqft 143 m²

£1.62/sqft £17.44/m² 59% below London median
£2,500/mo £500 each (if split by room) was £2,750

Ardleigh Green Road, Hornchurch, RM11

5 bed 2 bath Ardleigh Green

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

2,303 sqft 214 m²

£1.63/sqft £17.55/m² 59% below London median
£3,750/mo £938 each (if split by room)

Dowanhill Road, Catford, London, SE6

4 bed 1 bath Catford

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

2,035 sqft 189 m²

£1.67/sqft £17.98/m² 58% below London median
£3,400/mo £680 each (if split by room)

Mountington Park Close, Harrow, HA3

5 bed 4 bath Kenton

19 days on market Share Agent's site ↗

1,936 sqft 180 m²

£1.68/sqft £18.08/m² 58% below London median
£3,250/mo £813 each (if split by room)

Balmoral Way, Sutton, SM2

4 bed 2 bath Sutton

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

1,787 sqft 166 m²

£1.68/sqft £18.08/m² 58% below London median
£3,000/mo £750 each (if split by room)

Warrender Way, Ruislip, HA4

4 bed 1 bath Ruislip

17 days on market Share Agent's site ↗

1,632 sqft 152 m²

£1.69/sqft £18.19/m² 58% below London median
£2,750/mo £688 each (if split by room)

Barnet Way NW7, Mill Hill, London, NW7

4 bed 3 bath Broadfields

2 days on market Share Agent's site ↗

2,061 sqft 191 m²

£1.70/sqft £18.30/m² 57% below London median
£3,500/mo £875 each (if split by room)

Castlewood Drive, London, SE9

4 bed 2 bath Eltham

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

1,472 sqft 137 m²

£1.70/sqft £18.30/m² 57% below London median
£2,500/mo £625 each (if split by room) was £2,650 ◷ relisted 1×

Ecclesbourne Gardens, London, N13

4 bed 2 bath Bowes

20 days on market avail now Share Portal ↗

2,026 sqft 188 m²

£1.73/sqft £18.62/m² 57% below London median
£3,500/mo £700 each (if split by room)

Mountington Park Close, Harrow, HA3

5 bed 3 bath Kenton

25 days on market avail now Share Portal ↗

1,324 sqft 123 m²

£1.74/sqft £18.73/m² 56% below London median
£2,300/mo £575 each (if split by room)

Brookscroft Road, Walthamstow,, E17

4 bed 1 bath Hale End

4 days on market avail 19 Nov Share Agent's site ↗

2,008 sqft 187 m²

£1.74/sqft £18.73/m² 56% below London median
£3,500/mo £700 each (if split by room)

Mountington Park Close, Harrow, HA3

5 bed 4 bath Kenton

20 days on market Share Agent's site ↗

2,437 sqft 226 m²

£1.74/sqft £18.73/m² 56% below London median
£4,250/mo £1,063 each (if split by room) ◷ relisted 1×

Woodside Orpington BR6

4 bed 3 bath Bromley

5 days on market avail now Share Portal ↗

3,982 sqft 370 m²

£1.75/sqft £18.84/m² 56% below London median
£6,950/mo £1,390 each (if split by room)

Camden Park Road Chislehurst BR7

5 bed 4 bath Bickley

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

3,401 sqft 316 m²

£1.76/sqft £18.94/m² 56% below London median
£6,000/mo £857 each (if split by room) was £6,500

Mapesbury Road, London, NW2

7 bed 4 bath Brondesbury

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

2,839 sqft 264 m²

£1.76/sqft £18.94/m² 56% below London median
£5,000/mo £1,000 each (if split by room) was £5,500

Preston Hill, Harrow, HA3

5 bed 4 bath Kingsbury

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

2,131 sqft 198 m²

£1.76/sqft £18.94/m² 56% below London median
£3,750/mo £750 each (if split by room) was £4,500 ◷ relisted 1×

Woodcote Avenue, London, NW7 2PE

5 bed 3 bath Chalet Estate

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

2,731 sqft 254 m²

£1.79/sqft £19.27/m² 55% below London median
£4,900/mo £980 each (if split by room)

Harris Close, London, N11

5 bed 4 bath Friern Barnet

10 days on market avail 25 Nov Share Agent's site ↗

2,715 sqft 252 m²

£1.80/sqft £19.38/m² 55% below London median
£4,900/mo £980 each (if split by room) was £5,000

Anson Road London NW2

5 bed 2 bath Cricklewood

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

1,359 sqft 126 m²

£1.80/sqft £19.38/m² 55% below London median
£2,450/mo £613 each (if split by room)

Gale Close, MITCHAM

4 bed 2 bath Mitcham

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

1,105 sqft 103 m²

£1.81/sqft £19.48/m² 55% below London median
£1,995/mo £499 each (if split by room)

Field End Road, Eastcote, HA5

4 bed 1 bath Hillingdon

13 days on market avail 17 Oct Share Agent's site ↗

2,330 sqft 216 m²

£1.82/sqft £19.59/m² 54% below London median
£4,250/mo £1,063 each (if split by room)

Malden Road, New Malden, KT3 6AH

4 bed 3 bath Motspur Park

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

8,185 sqft 760 m²

£1.83/sqft £19.70/m² 54% below London median
£15,000/mo £2,143 each (if split by room)

Clamp Hill, Stanmore, Middlesex, HA7

7 bed 4 bath Brockley Park

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

2,051 sqft 191 m²

£1.83/sqft £19.70/m² 54% below London median
£3,750/mo £938 each (if split by room)

High Road, Whetstone

4 bed 2 bath Oakleigh Park

9 days on market avail now Share Portal ↗

1,862 sqft 173 m²

£1.83/sqft £19.70/m² 54% below London median
£3,400/mo £850 each (if split by room)

Queens Avenue, London, N20

4 bed 2 bath Friern Barnet

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

1,844 sqft 171 m²

£1.84/sqft £19.81/m² 54% below London median
£3,400/mo £850 each (if split by room)

Copthall Road East Ickenham

4 bed 2 bath Ickenham

5 days on market avail 25 Nov Share Agent's site ↗

1,489 sqft 138 m²

£1.85/sqft £19.91/m² 54% below London median
£2,750/mo £688 each (if split by room)

Hawksmoor Grove, Bromley, BR2

4 bed 3 bath Chatterton Village

11 days on market avail 17 Oct Share Agent's site ↗

4,851 sqft 451 m²

£1.86/sqft £20.02/m² 53% below London median
£9,000/mo £1,125 each (if split by room)

Hamilton Road, Ealing

8 bed 8 bath Ealing

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

1,396 sqft 130 m²

£1.86/sqft £20.02/m² 53% below London median
£2,600/mo £520 each (if split by room)

Southover, Bromley, BR1

5 bed 2 bath Grove Park

25 days on market Share Agent's site ↗

1,735 sqft 161 m²

£1.87/sqft £20.13/m² 53% below London median
£3,250/mo £650 each (if split by room) was £3,500

Finchley Lane, London, NW4

5 bed 2 bath Hendon

6 days on market avail 10 Oct Share Agent's site ↗

3,348 sqft 311 m²

£1.87/sqft £20.13/m² 53% below London median
£6,249/mo £893 each (if split by room)

KINLOSS GARDENS, FINCHLEY, N3

7 bed 4 bath Church End

12 days on market avail 1 Oct Share Agent's site ↗

1,979 sqft 184 m²

£1.87/sqft £20.13/m² 53% below London median
£3,700/mo £925 each (if split by room)

Queens Avenue, Whetstone, London, N20

4 bed 2 bath Friern Barnet

12 days on market Share Agent's site ↗

1,604 sqft 149 m²

£1.87/sqft £20.13/m² 53% below London median
£3,000/mo £600 each (if split by room)

Roding Lane North, Woodford Green

5 bed 2 bath South Woodford

11 days 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.