Flat 1 47 Belsize Square
NW3 4HN
- Flat
- Leasehold
- 3 bedrooms (estimate)
- 990 sq ft
- EPC C
What comparable sales show
Few close matches: a rough guide£850,000
Range £646,000 to £1,054,000 · £858 per sq ft
Since last sale
−£310,000
−26.7% since May 2019, −4.1% a year
Rank in NW3 4HN
17th of 30
Postcode average £1,010,167
From completed sales of similar homes nearby, adjusted for floor area. It cannot see condition, layout or recent work, so it is not a valuation.
In short
Flat 1 47 Belsize Square is a 3 bedroom leasehold flat in NW3 of about 990 sq ft.
Comparable completed sales nearby put it at £646,000 to £1,054,000, about £850,000 in the middle.
That makes it the 17th highest of the 30 homes we can compare in NW3 4HN, where the middle figure averages £1,010,167.
It last sold for £1,160,000 in May 2019; comparable sales suggest it has lost about £310,000 since, roughly −4.1% 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
£646,000
Middle
£850,000
Upper end
£1,054,000
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 |
|---|---|---|---|
| May 2019 | £1,160,000 | −6.5% | −1.3% |
| May 2014 | £1,240,000 | 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
- First Floor Flat 44 Belsize SquareFlatSold Apr 2004 for £452k£1,025,000#12
- Flat 3 47 Belsize SquareFlatSold Jun 2014 for £980k£998,000#13
- 48 Belsize SquareFlatSold Apr 2021 for £1.00m£968,000#14
- Flat 2nd And 3rd Floor Rear 45 Belsize SquareFlatSold Sept 2006 for £460k£870,000#15
- Flat 2 47 Belsize SquareFlatSold Sept 2024 for £911k£851,000#16
- Flat 1 47 Belsize Square (this home)Flat · 3 bed · 990 sq ftSold May 2019 for £1.16m£850,000#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–
The completed sales behind the figure
Similar homes nearby, registered with HM Land Registry. Choose one to see its page.
| Home | Price | Sold | Size | Per sq ft | Away |
|---|---|---|---|---|---|
| Flat 7, 27 Belsize AvenueNW3 4BL · Flat | £700,000 | Apr 2026 | 1,076 sq ft | £650 | 0.1 mi |
| Second Floor Flat, 23 Lancaster GroveNW3 4EX · Flat | £1,195,000 | Nov 2025 | 1,012 sq ft | £1,181 | 0.1 mi |
| 44A Belsize SquareNW3 4HN · Flat | £1,040,000 | Aug 2025 | 1,216 sq ft | £855 | < 0.1 mi |
| First Floor Flat, 2 Belsize ParkNW3 4ET · Flat | £800,000 | Nov 2025 | 1,044 sq ft | £766 | 0.1 mi |
| Flat 26, 15 Belsize AvenueNW3 4BL · Flat | £780,000 | Nov 2025 | 1,012 sq ft | £771 | 0.1 mi |
| Flat 5, 26 Glenloch RoadNW3 4DN · Flat | £550,000 | Apr 2026 | 936 sq ft | £587 | 0.2 mi |
| Flat 7, 18 Lambolle RoadNW3 4HP · Flat | £765,000 | Jun 2026 | 818 sq ft | £935 | 0.1 mi |
| Flat 4, 28 Belsize Park GardensNW3 4LH · Flat | £1,150,000 | Jun 2025 | 990 sq ft | £1,161 | 0.1 mi |
| Flat 1, 47 Buckland CrescentNW3 5DJ · Flat | £980,000 | Nov 2025 | 990 sq ft | £990 | 0.2 mi |
| 76 Belsize LaneNW3 5BJ · Flat | £1,050,000 | Aug 2025 | 1,066 sq ft | £985 | 0.1 mi |
| Flat 3, 4 Belsize ParkNW3 4ET · Flat | £1,177,000 | Jul 2025 | 1,066 sq ft | £1,105 | 0.1 mi |
| Flat 6, 42 Eton AvenueNW3 3HL · Flat | £522,500 | May 2026 | 829 sq ft | £630 | 0.2 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.
Floor area and energy rating from the energy certificate of March 2014.
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