Over the past 31 years, there have been 90 property sales recorded in the NW3 4LH postcode area. The highest sale price reached £2,850,000, while the most recent sale was for a semi-detached flat sold in June 2025 for £1,150,000.

The estimated average property value in NW3 4LH currently stands at £1,356,271, which is approximately 67.5% higher than the city average, indicating a potentially more desirable or in-demand location.

In terms of size, the average price per square metre is approximately £12,281.

Property prices in NW3 4LH have risen by 2.4% over the past year , with a total increase of 2.7% over the past five years , and a long-term rise of 10.4% over the past decade .

100% of recorded transactions in the area were for flat properties.

Housing in NW3 4LH is mixed, with 50% of homes being owner-occupied, indicating a diverse residential makeup.

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Property Sales

Flat C, 18 Belsize Park Gardens, London, Camden, Greater London, NW3 4LH

🏠 Flat
🛏️ 7bed
📐 3218 sq ft
Today
£1,917,282
streetscan.co.uk estimate
31 Jan 2007
£1,115,000
29 Mar 2004
£810,000
More details

Flat E, 18 Belsize Park Gardens, London, Camden, Greater London, NW3 4LH

Today
£602,032
streetscan.co.uk estimate
2 Aug 2004
£300,000
18 Oct 2002
£237,500

Flat F, 18 Belsize Park Gardens, London, Camden, Greater London, NW3 4LH

Today
£913,558
streetscan.co.uk estimate
7 Dec 2012
£744,000
11 Jan 2008
£437,000
16 Dec 2002
£315,000

Flat G, 18 Belsize Park Gardens, London, Camden, Greater London, NW3 4LH

Today
£1,128,523
streetscan.co.uk estimate
26 Jul 2002
£490,000

18A Belsize Park Gardens, London, Camden, Greater London, NW3 4LH

Today
£1,735,527
streetscan.co.uk estimate
7 Apr 2008
£1,185,000
17 Dec 1999
£445,000

20 Belsize Park Gardens, London, Camden, Greater London, NW3 4LH

Today
£875,530
streetscan.co.uk estimate
1 Aug 2011
£650,000

Flat 1, 20 Belsize Park Gardens, London, Camden, Greater London, NW3 4LH

🏠 Flat
🛏️ 2bed
📐 603 sq ft
Today
£622,625
streetscan.co.uk estimate
9 Sep 2013
£575,000
15 Mar 2004
£265,000
View +1 more
More details

Flat 2, 20 Belsize Park Gardens, London, Camden, Greater London, NW3 4LH

🏠 Flat
🛏️ 3bed
📐 1012 sq ft
Today
£1,209,267
streetscan.co.uk estimate
22 Mar 2021
£1,280,000
29 Jun 2018
£990,000
View +1 more
More details

Flat 3, 20 Belsize Park Gardens, London, Camden, Greater London, NW3 4LH

🏠 Flat
🛏️ 1bed
📐 422 sq ft
Today
£600,942
streetscan.co.uk estimate
23 Dec 2011
£433,300
20 Nov 2000
£195,000
View +3 more
More details

Flat 4, 20 Belsize Park Gardens, London, Camden, Greater London, NW3 4LH

Today
£1,191,443
streetscan.co.uk estimate
7 Aug 2006
£650,000
28 Jun 2004
£543,000
22 Oct 1999
£385,000
15 Aug 1997
£265,000
8 Dec 1995
£220,000
30 May 1995
£240,000

Flat 6, 20 Belsize Park Gardens, London, Camden, Greater London, NW3 4LH

🏠 Flat
🛏️ 2bed
📐 527 sq ft
Today
£597,422
streetscan.co.uk estimate
3 Mar 2016
£670,000
5 Jul 2001
£225,000
View +1 more
More details

Flat 7, 20 Belsize Park Gardens, London, Camden, Greater London, NW3 4LH

🏠 Flat
🛏️ 3bed
📐 872 sq ft
Today
£954,276
streetscan.co.uk estimate
27 Sep 2012
£767,500
17 Apr 2003
£335,000
View +1 more
More details

Flat 8, 20 Belsize Park Gardens, London, Camden, Greater London, NW3 4LH

🏠 Flat
🛏️ 2bed
📐 538 sq ft
Today
£616,802
streetscan.co.uk estimate
21 Nov 2011
£460,000
16 Jun 2000
£220,000
View +1 more
More details

Flat 9, 20 Belsize Park Gardens, London, Camden, Greater London, NW3 4LH

🏠 Flat
🛏️ 4bed
📐 1055 sq ft
Today
£1,133,426
streetscan.co.uk estimate
22 Jun 2016
£1,150,000
10 Apr 2014
£950,000
View +2 more
More details

First Floor Flat, 22 Belsize Park Gardens, London, Camden, Greater London, NW3 4LH

Today
£1,558,757
streetscan.co.uk estimate
29 Sep 2023
£1,685,000
26 Jan 2001
£550,000

Flat 2, 22 Belsize Park Gardens, London, Camden, Greater London, NW3 4LH

🏠 Flat
🛏️ 2bed
📐 1313 sq ft
Today
£895,103
streetscan.co.uk estimate
16 Nov 2004
£440,000
More details

Second And Third Floor Flat, 22 Belsize Park Gardens, London, Camden, Greater London, NW3 4LH

Today
£2,496,207
streetscan.co.uk estimate
14 Dec 2021
£2,850,000
5 Nov 2010
£1,700,000
22 Aug 2007
£1,300,000

24B - 24G Belsize Park Gardens, London, Camden, Greater London, NW3 4LH

Today
£788,276
streetscan.co.uk estimate
8 Jan 2014
£720,000

24C Belsize Park Gardens, London, Camden, Greater London, NW3 4LH

Today
£1,864,683
streetscan.co.uk estimate
29 Jul 2016
£1,850,000
20 Mar 2012
£1,336,000

Garden Flat, 26 Belsize Park Gardens, London, Camden, Greater London, NW3 4LH

Today
£2,432,636
streetscan.co.uk estimate
18 Jun 2015
£2,460,000
25 Feb 2011
£1,850,000
5 Jul 1995
£240,000

Ground Floor Flat, 26 Belsize Park Gardens, London, Camden, Greater London, NW3 4LH

Today
£1,832,240
streetscan.co.uk estimate
29 Jun 2012
£1,385,000
15 Feb 2010
£1,175,000
18 May 2007
£940,000
31 Aug 2006
£815,000
17 Mar 2004
£650,000
11 Jan 1996
£275,000

Second And Third Floor Flat, 26 Belsize Park Gardens, London, Camden, Greater London, NW3 4LH

Today
£1,833,774
streetscan.co.uk estimate
22 Feb 2007
£1,085,000
29 Mar 2000
£370,000

26B Belsize Park Gardens, London, Camden, Greater London, NW3 4LH

🏠 Flat
🛏️ 3bed
📐 1453 sq ft
Today
£1,389,063
streetscan.co.uk estimate
6 Apr 2021
£1,475,000
More details

Flat 1, 28 Belsize Park Gardens, London, Camden, Greater London, NW3 4LH

🏠 Flat
🛏️ 2bed
📐 592 sq ft
Today
£624,027
streetscan.co.uk estimate
17 Jul 2015
£649,999
More details

Flat 2, 28 Belsize Park Gardens, London, Camden, Greater London, NW3 4LH

🏠 Flat
🛏️ 3bed
📐 958 sq ft
Today
£1,183,201
streetscan.co.uk estimate
29 Sep 2015
£1,295,000
More details

Flat 3, 28 Belsize Park Gardens, London, Camden, Greater London, NW3 4LH

🏠 Flat
🛏️ 1bed
📐 624 sq ft
Today
£436,235
streetscan.co.uk estimate
31 Mar 2025
£475,000
11 Sep 2015
£585,000
More details

Flat 4, 28 Belsize Park Gardens, London, Camden, Greater London, NW3 4LH

🏠 Flat
🛏️ 4bed
📐 990 sq ft
Today
£988,733
streetscan.co.uk estimate
13 Jun 2025
£1,150,000
23 Jul 2015
£1,112,500
More details

Flat 5, 28 Belsize Park Gardens, London, Camden, Greater London, NW3 4LH

🏠 Flat
🛏️ 3bed
📐 538 sq ft
Today
£721,561
streetscan.co.uk estimate
28 Sep 2023
£780,000
9 Oct 2015
£712,500
More details

Flat 7, 28 Belsize Park Gardens, London, Camden, Greater London, NW3 4LH

🏠 Flat
🛏️ 3bed
📐 710 sq ft
Today
£788,040
streetscan.co.uk estimate
25 Sep 2015
£862,500
More details

Flat 9, 28 Belsize Park Gardens, London, Camden, Greater London, NW3 4LH

🏠 Flat
🛏️ 3bed
📐 764 sq ft
Today
£835,392
streetscan.co.uk estimate
2 Jun 2023
£935,000
16 Apr 2015
£965,000
More details

First Floor Flat, 32 Belsize Park Gardens, London, Camden, Greater London, NW3 4LH

Today
£1,341,887
streetscan.co.uk estimate
9 Feb 2001
£480,000

Flat 2, 32 Belsize Park Gardens, London, Camden, Greater London, NW3 4LH

Today
£1,468,318
streetscan.co.uk estimate
16 Jul 2001
£550,000
20 Jun 1997
£320,000

Second Floor Flat, 32 Belsize Park Gardens, London, Camden, Greater London, NW3 4LH

🏠 Flat
🛏️ 4bed
📐 1324 sq ft
Today
£1,398,841
streetscan.co.uk estimate
31 Aug 2018
£1,520,000
17 Dec 2003
£672,000
View +2 more
More details

Ground Floor Flat, 34 Belsize Park Gardens, London, Camden, Greater London, NW3 4LH

Today
£2,378,075
streetscan.co.uk estimate
9 Dec 1997
£535,000
23 Oct 1996
£266,000

Second Floor Flat, 34 Belsize Park Gardens, London, Camden, Greater London, NW3 4LH

🏠 Flat
🛏️ 4bed
📐 2454 sq ft
Today
£1,378,244
streetscan.co.uk estimate
5 Aug 2005
£725,555
27 Feb 2003
£700,000
View +1 more
More details

34B Belsize Park Gardens, London, Camden, Greater London, NW3 4LH

🏠 Flat
🛏️ 4bed
📐 1098 sq ft
Today
£916,045
streetscan.co.uk estimate
21 Jun 2019
£1,050,000
21 Feb 2014
£1,200,000
View +3 more
More details

Area Insights

Data Sources

Properties at NW3 4LH appear ninety times in the Land Registry records, with the latest transaction recorded on 13 Jun 2025. It also has twenty Energy Performance Certificates (EPC) entries, the earliest dating back to 1 Dec 2015. We use this data, to estimate the property's characteristics and current market value.

This website uses public sector information from:

These datasets are licensed under the Open Government Licence v3.0.
This website is not affiliated with or endorsed by HM Land Registry or DLUHC.

Disclaimer: StreetScan.co.uk makes all reasonable efforts to ensure the information provided on this website is current and accurate; however, no warranties or representations are made as to its completeness or accuracy. StreetScan.co.uk expressly disclaims any and all liability for any loss, damage, or expense arising directly or indirectly from the use of, or reliance upon, such information.