48 Belsize Square
NW3 4HN
- Flat
- Leasehold
What the sales records show
From an older sale: a rough guide£968,000
Range £884,000 to £1,052,000
Since last sale
−£32,000
−3.2% since Apr 2021, −0.6% a year
Rank in NW3 4HN
15th of 30
Postcode average £1,017,867
There is no floor area on record, so this is the home's last sale moved from April 2021 to August 2026 by the official UK House Price Index for Camden, with the range widened the older the sale. It cannot see condition, layout or recent work, so it is not a valuation.
In short
48 Belsize Square is a leasehold flat in NW3.
There is no floor area on record, so its last sale has been moved to today by the official price index for Camden: £884,000 to £1,052,000, about £968,000 in the middle.
That makes it the 15th highest of the 30 homes we can compare in NW3 4HN, where the middle figure averages £1,017,867.
It last sold for £1,000,000 in April 2021; the price index suggests it has lost about £32,000 since, roughly −0.6% a year.
Across Camden, average prices fell 10.6% in the year to August 2026.
Where in the range would yours sell?
Condition and improvements usually decide it, and only someone who sees the home can say.
Lower end
£884,000
Middle
£968,000
Upper end
£1,052,000
Done work since the records were made? Claim your home and tell us, or ask local agents where yours sits.
Sale history
Every sale of this home registered with HM Land Registry since 1995
| Sold | Price paid | Change | A year |
|---|---|---|---|
| April 2021 | £1,000,000 | −22.1% | −9.3% |
| September 2018 | £1,283,420 | First sale | – |
Homes in NW3 4HN
Ranked by what comparable sales show. Choose one to see its page.
- Flat 2 42 Belsize SquareFlatSold May 2015 for £2.15m£2,255,000#1
- 41a Belsize SquareFlatSold Feb 2013 for £1.43m£1,720,000#2
- Flat 1 42 Belsize SquareFlatSold Oct 1997 for £333k£1,625,000#3
- Ground Floor Flat 44 Belsize SquareFlatSold May 2007 for £875k£1,523,000#4
- 46 Belsize SquareFlatSold Jun 2024 for £1.54m£1,446,000#5
- Flat 5 42 Belsize SquareFlatSold Jul 2024 for £1.56m£1,418,000#6
- 44A Belsize SquareFlat · 3 bed · 1,216 sq ftSold Aug 2025 for £1.04m£1,322,000#7
- Flat B 47 Belsize SquareFlatSold Sept 2009 for £800k£1,303,000#8
- 43a Belsize SquareFlatSold May 2015 for £1.23m£1,290,000#9
- 47 Belsize SquareFlatSold Jun 1995 for £200k£1,252,000#10
- 46A Belsize SquareFlatSold Oct 2024 for £1.27m£1,176,000#11
- Flat 1 47 Belsize SquareFlatSold May 2019 for £1.16m£1,081,000#12
- First Floor Flat 44 Belsize SquareFlatSold Apr 2004 for £452k£1,025,000#13
- Flat 3 47 Belsize SquareFlatSold Jun 2014 for £980k£998,000#14
- 48 Belsize Square (this home)FlatSold Apr 2021 for £1.00m£968,000#15
- Flat 2nd And 3rd Floor Rear 45 Belsize SquareFlatSold Sept 2006 for £460k£870,000#16
- Flat 2 47 Belsize SquareFlatSold Sept 2024 for £911k£851,000#17
- Flat 2 50 Belsize SquareFlatSold Jul 2023 for £840k£802,000#18
- Flat 6 50 Belsize SquareFlatSold Jul 2008 for £487k£719,000#19
- Flat 8 50 Belsize SquareFlatSold Jul 2008 for £487k£719,000#20
- Flat 4 42 Belsize SquareFlatSold Jun 2015 for £700k£711,000#21
- Flat 3 42 Belsize SquareFlatSold Oct 2015 for £734k£694,000#22
- Flat 5 50 Belsize SquareFlatSold Aug 1997 for £127k£673,000#23
- 41c Belsize SquareFlatSold Feb 2016 for £659k£624,000#24
- Flat 7 50 Belsize Square LondonFlatSold Aug 2004 for £300k£619,000#25
- Front Basement Flat 48 Belsize SquareFlatSold Nov 1998 for £139k£614,000#26
- 41g Belsize SquareFlatSold May 2004 for £270k£600,000#27
- Rear Basement Flat 48 Belsize SquareFlatSold Oct 2013 for £525k£597,000#28
- First Floor Rear Flat 46 Belsize SquareFlatSold May 1995 for £83k£525,000#29
- 41d Belsize SquareFlatSold Jan 2021 for £525k£516,000#30
- 41e Belsize Square–
- 41f Belsize Square–
- 43 Belsize Square–
- 47b Belsize Square–
- First Floor Flat 45 Belsize Square–
- Flat 1 48 Belsize Square–
- Flat 2 48 Belsize Square–
- Flat 3 48 Belsize Square–
- Flat 4 47 Belsize Square–
- Flat 4 48 Belsize Square–
- Flat 4 50 Belsize Square–
- Flat 5 48 Belsize Square–
- Flat 6 47 Belsize Square–
- Flat 6 48 Belsize Square–
- Flat 7 48 Belsize Square–
- Flat 8 47 Belsize Square–
- Flat 8 48 Belsize Square–
- Flat 9 47 Belsize Square–
- Flat 9 48 Belsize Square–
- Flat 10 48 Belsize Square–
- Flat 11 48 Belsize Square–
- Flat 12 48 Belsize Square–
- Flat 13 48 Belsize Square–
- Flat 14 48 Belsize Square–
- Flat B 43 Belsize Square–
- Flat D 43 Belsize Square–
- Flat Ground Floor 48 Belsize Square–
- Garden Flat 45, Belsize Square–
- Raised Ground Floor Flat 46 Belsize Square–
- Second & Third Floor Rear Flat 45 Belsize Square–
Recent sales of flat homes nearby
The closest sales of the same type in the last two years, registered with HM Land Registry. Choose one to see its page.
| Home | Price | Sold | Size | Per sq ft | Away |
|---|---|---|---|---|---|
| 44A Belsize SquareNW3 4HN · Flat | £1,040,000 | Aug 2025 | 1,216 sq ft | £855 | < 0.1 mi |
| 43D Belsize SquareNW3 4HN · Flat | £1,250,000 | Jan 2025 | – | – | < 0.1 mi |
| Flat 5, 13 Belsize Park GardensNW3 4JG · Flat | £1,520,000 | Jan 2025 | 1,216 sq ft | £1,250 | < 0.1 mi |
| 27D Belsize SquareNW3 4HU · Flat | £862,500 | Jan 2026 | – | – | < 0.1 mi |
| Flat 4, 16 Belsize ParkNW3 4ES · Flat | £2,275,000 | Jan 2026 | 1,625 sq ft | £1,400 | 0.1 mi |
| 10A Belsize ParkNW3 4ES · Flat | £2,000,000 | Jul 2025 | 1,442 sq ft | £1,387 | 0.1 mi |
| Flat 3, 11 Belsize ParkNW3 4ES · Flat | £1,350,000 | Mar 2025 | 1,184 sq ft | £1,140 | 0.1 mi |
| Flat 5, 8 Belsize SquareNW3 4HT · Flat | £1,090,000 | Nov 2024 | 958 sq ft | £1,138 | 0.1 mi |
| Flat 3, 29 Belsize Park GardensNW3 4JH · Flat | £1,500,000 | Oct 2025 | 1,378 sq ft | £1,089 | 0.1 mi |
| 25D Belsize Park GardensNW3 4JH · Flat | £880,000 | Feb 2025 | 689 sq ft | £1,277 | 0.1 mi |
| 23F Belsize Park GardensNW3 4JH · Flat | £625,000 | Nov 2024 | 614 sq ft | £1,019 | 0.1 mi |
| 12B Belsize Park GardensNW3 4LD · Flat | £887,500 | Jun 2025 | 861 sq ft | £1,031 | 0.1 mi |
What buyers have paid in NW3
Completed sales in the last 12 months, against the 12 months before
| Type | Sales | Average price | Average size | Per sq ft | On the year |
|---|---|---|---|---|---|
| All homes | 363 | £1,487,820 | 1,248 sq ft | £1,084 | −5.1% |
| Flats | 281 | £968,039 | 896 sq ft | £979 | −10.4% |
| Terraced | 40 | £2,257,067 | 1,786 sq ft | £1,335 | −15.8% |
| Semi-detached | 21 | £4,142,893 | 2,874 sq ft | £1,530 | +0.9% |
| Detached | 12 | £5,903,271 | 3,387 sq ft | £1,420 | −2.6% |
Contains HM Land Registry data © Crown copyright and database right 2026. Licensed under the Open Government Licence v3.0.
Energy performance data © Crown copyright. Licensed under the Open Government Licence v3.0.
Contains HM Land Registry UK House Price Index data © Crown copyright. Licensed under the Open Government Licence v3.0.
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