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GR

NW3 4BL

Belsize Avenue, London

Median, last 3 years
£780,000
9 sales, Jun 2023 – May 2026
Last standard sale
£700,000
17 Apr 2026
Standard sales
162
since 1995 (+4 additional entries)
NW3 district median
£985,000
482 sales, 12 months to May 2026

By property type, Jun 2023 – May 2026: Flats median £740,000 (8 sales) · Terraced sold for £885,000

Medians count standard sales only (Price Paid category A). Additional entries (category B) - repossessions, buy-to-lets with an identifiable mortgage, and purchases by companies and other non-private buyers - are listed below but left out.

Median price by year

£399k £798k £1196k £1595k 2012: £1,027,500 median, 4 sales 2013: £627,500 median, 4 sales 2014: £475,000 median, 4 sales 2014 2015: £970,000 median, 5 sales 2016: £918,750 median, 4 sales 2017: £1,595,000 median, 1 sale 2017 2019: £814,000 median, 4 sales 2020: £500,000 median, 1 sale 2020 2021: £1,123,296 median, 5 sales 2022: £765,000 median, 3 sales 2023: £972,500 median, 2 sales 2023 2024: £985,000 median, 4 sales 2025: £780,000 median, 3 sales 2026 (January to August): £700,000 median, 1 sale 2026

2012 to 2026. Every year since 1995 is in the figures below.

The paler 2026 bar covers January to August only, and its latest months are still filling in as sales are registered.

Paler bars rest on fewer than three sales, so they show which homes sold more than how prices moved.

Show the figures
Median sale price and number of sales by year
Year Median Sales
2026 (to August) (few sales) £700,000 1
2025 £780,000 3
2024 £985,000 4
2023 (few sales) £972,500 2
2022 £765,000 3
2021 £1,123,296 5
2020 (few sales) £500,000 1
2019 £814,000 4
2017 (few sales) £1,595,000 1
2016 £918,750 4
2015 £970,000 5
2014 £475,000 4
2013 £627,500 4
2012 £1,027,500 4
2011 £790,000 4
2010 £556,500 6
2009 £512,500 8
2008 £650,000 3
2007 £382,500 6
2006 £430,000 5
2005 £382,550 7
2004 £378,400 9
2003 £256,000 6
2002 £235,000 7
2001 £258,750 8
2000 £265,000 6
1999 £201,000 10
1998 £167,000 10
1997 £165,000 9
1996 £147,000 12
1995 (few sales) £145,000 1

Sale history (166 records · 50 homes sold more than once)

Address Price
25C, BELSIZE AVENUE
15 Jun 2011 · Flat / maisonette · Leasehold
Previously £340,000 (Oct 1999) · +144%
£830,000
FLAT 7, 5, BELSIZE AVENUE
21 Apr 2011 · Flat / maisonette · Leasehold
£315,000
FIRST FLOOR FLAT, 29, BELSIZE AVENUE
3 Jan 2011 · Flat / maisonette · Leasehold
£750,000
FLAT 8, 15, BELSIZE AVENUE
20 Dec 2010 · Flat / maisonette · Leasehold
Previously £285,000 (Apr 2004) · +29%
£368,000
FLAT 16, 15, BELSIZE AVENUE
26 Aug 2010 · Flat / maisonette · Leasehold
Previously £227,500 (Nov 2004) · +67%
£380,000
FLAT 5, 21, BELSIZE AVENUE
12 Aug 2010 · Flat / maisonette · Leasehold
£435,000
LOWER GROUND FLOOR FLAT, 7, BELSIZE AVENUE
9 Jul 2010 · Flat / maisonette · Leasehold
Previously £535,000 (Nov 2004) · +27%
£678,000
FLAT 1, 1, BELSIZE AVENUE
3 Jun 2010 · Flat / maisonette · Leasehold
£960,000
FLAT 1, 1, BELSIZE AVENUE
3 Jun 2010 · Flat / maisonette · Leasehold
Previously £685,000 (Sep 2009) · +40%
£960,000
FLAT 3, 15, BELSIZE AVENUE
5 Nov 2009 · Flat / maisonette · Leasehold
Previously £227,000 (Mar 2002) · +17%
£265,000
FIRST FLOOR FLAT, 7, BELSIZE AVENUE
2 Nov 2009 · Flat / maisonette · Leasehold
Previously £500,000 (May 2006) · +57%
£785,000
FLAT 3, 5, BELSIZE AVENUE
30 Sep 2009 · Flat / maisonette · Leasehold
Previously £280,000 (Jul 2000) · +116%
£605,000
FLAT 1, 1, BELSIZE AVENUE
15 Sep 2009 · Flat / maisonette · Leasehold
Previously £210,000 (Apr 1999) · +226%
£685,000
FLAT 28, 15, BELSIZE AVENUE
11 Sep 2009 · Flat / maisonette · Leasehold
£350,000
25A, BELSIZE AVENUE
1 Sep 2009 · Flat / maisonette · Leasehold
Previously £535,000 (Aug 2002) · +76%
£940,000
FLAT 26, 15, BELSIZE AVENUE
30 Jun 2009 · Flat / maisonette · Leasehold
Previously £382,550 (Dec 2005) · +10%
£420,000
SECOND FLOOR FLAT, 29, BELSIZE AVENUE
22 May 2009 · Flat / maisonette · Leasehold
Previously £192,000 (Mar 1999) · +119%
£420,000
25D, BELSIZE AVENUE
31 Jul 2008 · Flat / maisonette · Leasehold
Previously £450,000 (Aug 2004) · +72%
£774,000
SECOND FLOOR FLAT, 7, BELSIZE AVENUE
6 May 2008 · Flat / maisonette · Leasehold
Previously £430,000 (Feb 2006) · +51%
£650,000
SECOND FLOOR FLAT, 9, BELSIZE AVENUE
7 Jan 2008 · Flat / maisonette · Leasehold
Previously £410,000 (Nov 2005) · +59%
£650,000
FLAT 18, 15, BELSIZE AVENUE
19 Oct 2007 · Flat / maisonette · Leasehold
Previously £300,000 (Jun 2007) · +33%
£400,000
FLAT 19, 15, BELSIZE AVENUE
28 Sep 2007 · Flat / maisonette · Leasehold
Previously £208,000 (Apr 2002) · +75%
£365,000
25B, BELSIZE AVENUE
10 Aug 2007 · Flat / maisonette · Leasehold
£875,000
FLAT 18, 15, BELSIZE AVENUE
6 Jun 2007 · Flat / maisonette · Leasehold
Previously £234,000 (Jan 2003) · +28%
£300,000
GROUND FLOOR FLAT, 9, BELSIZE AVENUE
14 May 2007 · Flat / maisonette · Leasehold
£555,000
FLAT 24, 15, BELSIZE AVENUE
1 Feb 2007 · Flat / maisonette · Leasehold
£238,800
FLAT 2, 11, BELSIZE AVENUE
29 Nov 2006 · Flat / maisonette · Leasehold
£389,000
23A, BELSIZE AVENUE
28 Jul 2006 · Flat / maisonette · Leasehold
Previously £665,000 (Feb 2004) · +13%
£750,000
FIRST FLOOR FLAT, 7, BELSIZE AVENUE
3 May 2006 · Flat / maisonette · Leasehold
Previously £250,000 (Nov 1998) · +100%
£500,000
THIRD FLOOR FLAT, 7, BELSIZE AVENUE
6 Mar 2006 · Flat / maisonette · Leasehold
Previously £330,000 (Mar 2003) · +23%
£407,500
SECOND FLOOR FLAT, 7, BELSIZE AVENUE
7 Feb 2006 · Flat / maisonette · Leasehold
Previously £265,000 (Jul 1998) · +62%
£430,000
FLAT 26, 15, BELSIZE AVENUE
13 Dec 2005 · Flat / maisonette · Leasehold
£382,550
SECOND FLOOR FLAT, 9, BELSIZE AVENUE
28 Nov 2005 · Flat / maisonette · Leasehold
£410,000
UPPER GROUND FLOOR FLAT, 7, BELSIZE AVENUE
4 Nov 2005 · Flat / maisonette · Leasehold
Previously £455,000 (May 2001) · +5%
£478,500
FLAT 7, 27, BELSIZE AVENUE
15 Aug 2005 · Flat / maisonette · Leasehold
Previously £185,070 (Dec 1996) · +35%
£250,000
THIRD FLOOR FLAT, 23, BELSIZE AVENUE
20 May 2005 · Flat / maisonette · Leasehold
£228,000
FLAT 5, 11, BELSIZE AVENUE
24 Mar 2005 · Flat / maisonette · Leasehold
Previously £217,500 (Feb 2001) · +15%
£250,000
FIRST FLOOR FLAT, 9, BELSIZE AVENUE
25 Feb 2005 · Flat / maisonette · Leasehold
Previously £134,000 (Oct 1996) · +217%
£425,000
LOWER GROUND FLOOR FLAT, 7, BELSIZE AVENUE
30 Nov 2004 · Flat / maisonette · Leasehold
Previously £378,400 (Feb 2004) · +41%
£535,000
FLAT 16, 15, BELSIZE AVENUE
12 Nov 2004 · Flat / maisonette · Leasehold
£227,500
BASEMENT FLAT, 3, BELSIZE AVENUE
19 Oct 2004 · Flat / maisonette · Leasehold
Previously £201,950 (Sep 1998) · +65%
£333,500
23B, BELSIZE AVENUE
4 Oct 2004 · Flat / maisonette · Leasehold
Previously £575,000 (Jul 2002) · +6%
£610,000
25D, BELSIZE AVENUE
23 Aug 2004 · Flat / maisonette · Leasehold
Previously £222,500 (Jul 1997) · +102%
£450,000
FLAT 7, 15, BELSIZE AVENUE
23 Apr 2004 · Flat / maisonette · Leasehold
£230,000
FLAT 8, 15, BELSIZE AVENUE
15 Apr 2004 · Flat / maisonette · Leasehold
Previously £207,000 (Nov 2003) · +38%
£285,000
23A, BELSIZE AVENUE
12 Feb 2004 · Flat / maisonette · Leasehold
Previously £355,000 (Nov 1999) · +87%
£665,000
LOWER GROUND FLOOR FLAT, 7, BELSIZE AVENUE
9 Feb 2004 · Flat / maisonette · Leasehold
Previously £218,000 (Aug 1996) · +74%
£378,400
FLAT 4, 3, BELSIZE AVENUE
17 Dec 2003 · Flat / maisonette · Leasehold
Previously £210,000 (May 2001) · +32%
£278,000
FLAT 8, 15, BELSIZE AVENUE
17 Nov 2003 · Flat / maisonette · Leasehold
£207,000
FLAT 4, 11, BELSIZE AVENUE
17 Oct 2003 · Flat / maisonette · Leasehold
Previously £370,000 (Aug 2001) · +21%
£449,000