Flat 7 18 Belsize Avenue
NW3 4AU
- Flat
- 1 bedroom (estimate)
- 592 sq ft
- EPC D
What comparable sales show
Fair match£611,000
Range £507,000 to £715,000 · £1,032 per sq ft
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 7 18 Belsize Avenue is a 1 bedroom flat in NW3 of about 592 sq ft.
Comparable completed sales nearby put it at £507,000 to £715,000, about £611,000 in the middle.
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
£507,000
Middle
£611,000
Upper end
£715,000
Done work since the records were made? Claim your home and tell us, or ask local agents where yours sits.
Belsize Avenue at a glance
Completed sales on the road in the last two years
Sales
21
Average price
£768k
Average size
722 sq ft
Per sq ft
£925
Price range
£360k to £1.88m
Sale history
Every sale of this home registered with HM Land Registry since 1995
No sale of this home has been registered since 1995.
Homes in NW3 4AU
Ranked by what comparable sales show. Choose one to see its page.
- 24 Belsize AvenueDetachedSold Jan 1998 for £760k£4,313,000#1
- 4 Belsize AvenueTerracedSold Jul 2014 for £1.80m£2,076,000#2
- 2 Belsize AvenueSemi-detachedSold Aug 2010 for £1.17m£2,040,000#3
- 12 Belsize AvenueTerracedSold Mar 2013 for £1.18m£1,681,000#4
- 8 Belsize AvenueTerraced · 3 bed · 1,389 sq ftSold Oct 2013 for £1.45m£1,624,000#5
- 6 Belsize AvenueTerracedSold Aug 2006 for £620k£1,530,000#6
- 14 Belsize AvenueDetachedSold Sept 2008 for £750k£1,486,000#7
- Flat 1 26 Belsize AvenueFlatSold Aug 2022 for £1.51m£1,369,000#8
- Flat 9 28 Belsize AvenueFlatSold Feb 2012 for £850k£1,207,000#9
- Flat 10 28 Belsize AvenueFlatSold May 2002 for £480k£1,190,000#10
- Flat 6 22 Belsize AvenueFlatSold Jul 1999 for £278k£1,119,000#11
- Flat 2 26 Belsize AvenueFlatSold Apr 2017 for £1.04m£1,014,000#12
- Flat 3 24 Belsize AvenueFlatSold Mar 1999 for £224k£967,000#13
- 16b Belsize AvenueFlatSold Jul 2023 for £870k£830,000#14
- First Floor Flat 16 Belsize AvenueFlatSold Jul 1998 for £170k£747,000#15
- Flat 4 18 Belsize AvenueFlatSold Aug 1997 for £126k£668,000#16
- Flat 5 22 Belsize AvenueFlatSold May 1998 for £138k£628,000#17
- Second Floor Flat 18 Belsize AvenueFlatSold Mar 2006 for £304k£615,000#18
- Flat 14 28 Belsize AvenueFlatSold Jan 2000 for £165k£586,000#19
- Flat 4 22 Belsize AvenueFlatSold Oct 2002 for £250k£572,000#20
- Flat 1 16, Belsize AvenueFlatSold Mar 2014 for £525k£571,000#21
- Flat 13 28 Belsize AvenueFlatSold Jul 1995 for £87k£536,000#22
- Rear Second Floor Flat 16 Belsize AvenueFlatSold Feb 2019 for £575k£520,000#23
- Flat 12 28 Belsize AvenueFlatSold May 2018 for £550k£513,000#24
- Flat 6 26 Belsize Avenue LondonFlatSold Jun 2021 for £531k£508,000#25
- Flat 2, 22 Belsize AvenueFlat · 1 bed · 474 sq ftSold Dec 2025 for £545k£507,000#26
- Flat 4 26 Belsize AvenueFlatSold Nov 2022 for £530k£502,000#27
- Flat 11, 28 Belsize AvenueFlat · 1 bed · 484 sq ftSold Oct 2025 for £360k£493,000#28
- Flat 3 22 Belsize AvenueFlatSold Mar 2007 for £275k£479,000#29
- First Floor Front Flat 16 Belsize AvenueFlatSold Sept 2006 for £250k£473,000#30
- Second Floor Flat 16 Belsize AvenueFlatSold Dec 2022 for £510k£466,000#31
- Flat 7 26 Belsize Avenue LondonFlatSold Oct 2009 for £280k£460,000#32
- 10 Belsize Avenue–
- Flat 1 24 Belsize Avenue–
- Flat 2 16 Belsize Avenue–
- Flat 2 24 Belsize Avenue–
- Flat 3 16 Belsize Avenue–
- Flat 4 16 Belsize Avenue–
- Flat 5 18 Belsize Avenue–
- Flat 5 26 Belsize Avenue–
- Flat 6 16 Belsize Avenue–
- Flat 7 16 Belsize Avenue–
- Flat 7 18 Belsize Avenue (this home)–
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 2, 22 Belsize AvenueNW3 4AU · Flat | £545,000 | Dec 2025 | 474 sq ft | £1,151 | < 0.1 mi |
| Flat 11, 28 Belsize AvenueNW3 4AU · Flat | £360,000 | Oct 2025 | 484 sq ft | £743 | < 0.1 mi |
| Flat 5, 63 Belsize AvenueNW3 4BN · Flat | £725,000 | Mar 2026 | 614 sq ft | £1,182 | 0.1 mi |
| Flat 2, 41 Glenmore RoadNW3 4DA · Flat | £760,000 | Mar 2026 | 667 sq ft | £1,139 | 0.2 mi |
| Flat 3, 1 Lyndhurst GardensNW3 5NS · Flat | £915,000 | Apr 2026 | 689 sq ft | £1,328 | 0.2 mi |
| 14A Crossfield RoadNW3 4NT · Flat | £700,000 | Jul 2026 | 700 sq ft | £1,000 | 0.2 mi |
| Flat 3, 21 Belsize AvenueNW3 4BL · Flat | £550,000 | Mar 2025 | 549 sq ft | £1,002 | < 0.1 mi |
| Flat 58, Hillfield Court Belsize AvenueNW3 4BG · Flat | £475,000 | Jun 2025 | 592 sq ft | £802 | 0.2 mi |
| Flat 3, 29 Belsize ParkNW3 4DX · Flat | £670,000 | Nov 2025 | 678 sq ft | £988 | 0.1 mi |
| Flat 3, 28 Belsize Park GardensNW3 4LH · Flat | £475,000 | Mar 2025 | 624 sq ft | £761 | 0.1 mi |
| Flat 49, Hillfield Court Belsize AvenueNW3 4BG · Flat | £485,000 | Jul 2025 | 624 sq ft | £777 | 0.2 mi |
| Flat C, 179 Haverstock HillNW3 4QS · Flat | £595,000 | Apr 2026 | 710 sq ft | £838 | 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 | −5.2% |
| Flats | 281 | £968,039 | 896 sq ft | £979 | −10.3% |
| Terraced | 40 | £2,257,067 | 1,786 sq ft | £1,335 | −15.3% |
| 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 | −1.6% |
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 October 2023.
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