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Belsize Square, NW3

Street in London

Median, last 3 years
£975,250
12 sales, Jun 2023 – May 2026
Last standard sale
£862,500
30 Jan 2026
Standard sales
282
since 1995

Figures 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 flagged.

Sale history (292 records · 88 homes sold more than once)

Address Price
FLAT A, 10, BELSIZE SQUARE
NW3 4HT · 8 Oct 2010 · Flat / maisonette
Previously £175,000 (Jul 1996) · +459%
£979,000
FLAT 4, 13, BELSIZE SQUARE
NW3 4HT · 1 Oct 2010 · Flat / maisonette
Previously £470,000 (Sep 2004) · +48%
£695,000
16C, BELSIZE SQUARE
NW3 4HT · 16 Jul 2010 · Flat / maisonette
Previously £330,000 (Aug 2005) · +44%
£475,000
27A, BELSIZE SQUARE
NW3 4HU · 30 Jun 2010 · Flat / maisonette
£620,000
FLAT 6, 38, BELSIZE SQUARE
NW3 4HL · 21 Jun 2010 · Flat / maisonette
Previously £415,000 (Sep 2004) · +20%
£499,950
44D, BELSIZE SQUARE
NW3 4HN · 13 May 2010 · Flat / maisonette
Previously £672,000 (Aug 2001) · +86%
£1,250,000
REAR BASEMENT FLAT, 48, BELSIZE SQUARE
NW3 4HN · 16 Mar 2010 · Flat / maisonette
Previously £338,000 (Oct 2006) · +1%
£340,000
FLAT 4, 40, BELSIZE SQUARE
NW3 4HL · 5 Jan 2010 · Flat / maisonette
Previously £312,500 (Oct 1999) · +134%
£731,000
FLAT 2, 40, BELSIZE SQUARE
NW3 4HL · 15 Dec 2009 · Flat / maisonette
Previously £262,000 (Oct 1997) · +209%
£810,800
1, BELSIZE SQUARE
NW3 4HT · 10 Dec 2009 · Semi-detached
Previously £1,400,000 (Jun 2001) · +257%
£5,000,000
FLAT 2, 5, BELSIZE SQUARE
NW3 4HT · 30 Nov 2009 · Flat / maisonette
£450,000
ENTRANCE FLOOR FLAT, 46, BELSIZE SQUARE
NW3 4HN · 20 Nov 2009 · Flat / maisonette
Previously £512,000 (Nov 2004) · +71%
£875,000
43D, BELSIZE SQUARE
NW3 4HN · 6 Nov 2009 · Flat / maisonette
Previously £335,000 (Nov 1999) · +99%
£665,000
FLAT B, 47, BELSIZE SQUARE
NW3 4HN · 30 Sep 2009 · Flat / maisonette
Previously £517,000 (Jul 2005) · +55%
£800,000
GROUND FLOOR FLAT, 23, BELSIZE SQUARE
NW3 4HU · 25 Sep 2009 · Flat / maisonette
£480,000
41C, BELSIZE SQUARE
NW3 4HN · 9 Sep 2009 · Flat / maisonette
Previously £207,000 (Apr 2000) · +67%
£345,000
FLAT 2, 38, BELSIZE SQUARE
NW3 4HL · 4 Sep 2009 · Flat / maisonette
Previously £325,000 (Sep 2003) · +51%
£491,000
FLAT 1, 22, BELSIZE SQUARE
NW3 4HT · 31 Jul 2009 · Flat / maisonette
Previously £720,000 (Mar 2006) · +23%
£885,000
37D, BELSIZE SQUARE
NW3 4HL · 17 Jul 2009 · Flat / maisonette
Previously £602,000 (May 2004) · +34%
£807,000
FLAT 4, 8, BELSIZE SQUARE
NW3 4HT · 13 Mar 2009 · Flat / maisonette
Previously £355,000 (Sep 2003) · +20%
£425,000
FLAT 8, 50, BELSIZE SQUARE
NW3 4HN · 31 Jul 2008 · Flat / maisonette
Previously £367,500 (Jul 2002) · +33%
£487,300
FLAT 6, 50, BELSIZE SQUARE
NW3 4HN · 31 Jul 2008 · Flat / maisonette
Previously £289,950 (Jun 2001) · +68%
£487,300
FLAT 5, 8, BELSIZE SQUARE
NW3 4HT · 25 Jul 2008 · Flat / maisonette
Previously £499,000 (Feb 2004) · +44%
£720,000
FLAT 2, 39, BELSIZE SQUARE
NW3 4HL · 2 Jul 2008 · Flat / maisonette
£460,000
FLAT A, 30, BELSIZE SQUARE
NW3 4HU · 25 Jun 2008 · Flat / maisonette
Previously £484,000 (Dec 2003) · +66%
£805,000
GARDEN FLAT, 23, BELSIZE SQUARE
NW3 4HU · 20 Dec 2007 · Flat / maisonette
Previously £301,000 (Nov 1999) · +159%
£780,000
FLAT 1, 38, BELSIZE SQUARE
NW3 4HL · 16 Nov 2007 · Flat / maisonette
Previously £100,000 (Jan 2004) · +305%
£405,000
3C, BELSIZE SQUARE
NW3 4HT · 22 Oct 2007 · Flat / maisonette
Previously £250,000 (Jan 2007) · +27%
£317,500
FLAT 5, 9, BELSIZE SQUARE
NW3 4HT · 11 Oct 2007 · Flat / maisonette
£440,000
FLAT 6, 9, BELSIZE SQUARE
NW3 4HT · 24 Sep 2007 · Flat / maisonette
Previously £315,000 (Feb 2006) · +77%
£559,000
FLAT 1, 9, BELSIZE SQUARE
NW3 4HT · 31 Jul 2007 · Flat / maisonette
Previously £517,500 (May 2002) · +113%
£1,100,000
FIRST FLOOR, 14, BELSIZE SQUARE
NW3 4HT · 26 Jun 2007 · Flat / maisonette
£755,000
FLAT C, 28, BELSIZE SQUARE
NW3 4HU · 16 May 2007 · Flat / maisonette
Previously £250,000 (Jan 1998) · +250%
£875,000
GROUND FLOOR FLAT, 44, BELSIZE SQUARE
NW3 4HN · 15 May 2007 · Flat / maisonette
Previously £535,000 (Oct 2002) · +64%
£875,000
FIRST FLOOR REAR MAISONETTE, 14, BELSIZE SQUARE
NW3 4HT · 16 Mar 2007 · Flat / maisonette
£747,500
15A, BELSIZE SQUARE
NW3 4HT · 15 Mar 2007 · Flat / maisonette
Previously £612,000 (Jan 2005) · +43%
£878,000
3C, BELSIZE SQUARE
NW3 4HT · 4 Jan 2007 · Flat / maisonette
£250,000
FLAT 1, 6, BELSIZE SQUARE
NW3 4HT · 31 Oct 2006 · Flat / maisonette
Previously £279,000 (Apr 1998) · +115%
£600,500
REAR BASEMENT FLAT, 48, BELSIZE SQUARE
NW3 4HN · 20 Oct 2006 · Flat / maisonette
Previously £169,950 (Aug 1998) · +99%
£338,000
FLAT 2ND AND 3RD FLOOR REAR, 45, BELSIZE SQUARE
NW3 4HN · 22 Sep 2006 · Flat / maisonette
£460,000
12C, BELSIZE SQUARE
NW3 4HT · 14 Jul 2006 · Flat / maisonette
£570,000
FLAT 3, 18, BELSIZE SQUARE
NW3 4HT · 9 Jun 2006 · Flat / maisonette
Previously £187,000 (Aug 1996) · +234%
£625,000
FLAT D, 30, BELSIZE SQUARE
NW3 4HU · 31 Mar 2006 · Flat / maisonette
Previously £345,000 (Jun 2001) · +25%
£430,000
FLAT 1, 22, BELSIZE SQUARE
NW3 4HT · 22 Mar 2006 · Flat / maisonette
Previously £565,000 (Apr 2003) · +27%
£720,000
FLAT 6, 9, BELSIZE SQUARE
NW3 4HT · 27 Feb 2006 · Flat / maisonette
£315,000
FLAT 2, 11, BELSIZE SQUARE
NW3 4HT · 23 Feb 2006 · Flat / maisonette
Previously £341,000 (Aug 1999) · +111%
£721,000
14A, BELSIZE SQUARE
NW3 4HT · 17 Feb 2006 · Flat / maisonette
£602,500
FLAT B, 28, BELSIZE SQUARE
NW3 4HU · 8 Dec 2005 · Flat / maisonette
Previously £257,000 (Sep 1999) · +75%
£450,000
FLAT 3, 9, BELSIZE SQUARE
NW3 4HT · 25 Nov 2005 · Flat / maisonette
£225,000
FLAT 1, 39, BELSIZE SQUARE
NW3 4HL · 27 Sep 2005 · Flat / maisonette
Previously £540,000 (Jan 2002) · +19%
£640,000
FLAT 4, 38, BELSIZE SQUARE
NW3 4HL · 9 Sep 2005 · Flat / maisonette
Previously £277,000 (Mar 2003) · +19%
£330,000
16C, BELSIZE SQUARE
NW3 4HT · 26 Aug 2005 · Flat / maisonette
£330,000
FLAT F, 10, BELSIZE SQUARE
NW3 4HT · 8 Aug 2005 · Flat / maisonette
Previously £180,000 (Jan 1998) · +107%
£372,500
SECOND FLOOR FLAT, 46, BELSIZE SQUARE
NW3 4HN · 4 Aug 2005 · Flat / maisonette
Previously £290,000 (Sep 1999) · +55%
£450,000
FLAT B, 47, BELSIZE SQUARE
NW3 4HN · 15 Jul 2005 · Flat / maisonette
£517,000
FLAT 5, 42, BELSIZE SQUARE
NW3 4HN · 7 Jul 2005 · Flat / maisonette
Previously £298,000 (Jan 1997) · +85%
£550,000
FLAT 3, 42, BELSIZE SQUARE
NW3 4HN · 7 Jul 2005 · Flat / maisonette
£305,000
FLAT 2, 18, BELSIZE SQUARE
NW3 4HT · 28 Jun 2005 · Flat / maisonette
£480,000
FLAT 4, 42, BELSIZE SQUARE
NW3 4HN · 13 May 2005 · Flat / maisonette
Previously £156,000 (Apr 1999) · +79%
£279,000
FLAT B, 17, BELSIZE SQUARE
NW3 4HT · 1 Apr 2005 · Flat / maisonette
Previously £440,000 (Sep 2004) · +42%
£625,000
15A, BELSIZE SQUARE
NW3 4HT · 31 Jan 2005 · Flat / maisonette
Previously £475,000 (Apr 2003) · +29%
£612,000
16A, BELSIZE SQUARE
NW3 4HT · 22 Dec 2004 · Flat / maisonette
Previously £480,000 (Aug 2001) · +33%
£640,000
ENTRANCE FLOOR FLAT, 46, BELSIZE SQUARE
NW3 4HN · 5 Nov 2004 · Flat / maisonette
£512,000
FLAT 3, 11, BELSIZE SQUARE
NW3 4HT · 1 Nov 2004 · Flat / maisonette
Previously £165,000 (Oct 1995) · −3%
£160,000
FLAT 6, 38, BELSIZE SQUARE
NW3 4HL · 24 Sep 2004 · Flat / maisonette
Previously £149,950 (Aug 1996) · +177%
£415,000
FLAT B, 17, BELSIZE SQUARE
NW3 4HT · 22 Sep 2004 · Flat / maisonette
£440,000
SECOND FLOOR FLAT, 37, BELSIZE SQUARE
NW3 4HL · 17 Sep 2004 · Flat / maisonette
Previously £380,000 (Jul 2003) · +83%
£695,000
FLAT 4, 13, BELSIZE SQUARE
NW3 4HT · 9 Sep 2004 · Flat / maisonette
Previously £399,000 (Jun 2003) · +18%
£470,000
FLAT 7, 50, BELSIZE SQUARE
NW3 4HN · 31 Aug 2004 · Flat / maisonette
Previously £111,000 (Jul 1996) · +170%
£299,950
FLAT 5, 38, BELSIZE SQUARE
NW3 4HL · 11 Jun 2004 · Flat / maisonette
Previously £100,000 (Mar 1999) · +123%
£223,000
FLAT 3, 13, BELSIZE SQUARE
NW3 4HT · 28 May 2004 · Flat / maisonette
£499,000
41G, BELSIZE SQUARE
NW3 4HN · 14 May 2004 · Flat / maisonette
Previously £219,000 (Oct 2001) · +23%
£270,000
37D, BELSIZE SQUARE
NW3 4HL · 11 May 2004 · Semi-detached
£602,000
26A, BELSIZE SQUARE
NW3 4HU · 30 Apr 2004 · Flat / maisonette
Previously £215,000 (Apr 2001) · +24%
£266,000
FIRST FLOOR FLAT, 44, BELSIZE SQUARE
NW3 4HN · 29 Apr 2004 · Flat / maisonette
£452,000
FLAT 4, 5, BELSIZE SQUARE
NW3 4HT · 5 Apr 2004 · Flat / maisonette
Previously £345,000 (Oct 2000) · +39%
£480,000
FLAT 3, 22, BELSIZE SQUARE
NW3 4HT · 5 Mar 2004 · Flat / maisonette
Previously £325,000 (Feb 1999) · +57%
£511,000
17D, BELSIZE SQUARE
NW3 4HT · 20 Feb 2004 · Flat / maisonette
£475,000
FLAT 5, 8, BELSIZE SQUARE
NW3 4HT · 17 Feb 2004 · Flat / maisonette
Previously £420,000 (Dec 2000) · +19%
£499,000
FLAT 1, 38, BELSIZE SQUARE
NW3 4HL · 15 Jan 2004 · Flat / maisonette
Previously £125,000 (Jul 1996) · −20%
£100,000
FLAT A, 30, BELSIZE SQUARE
NW3 4HU · 15 Dec 2003 · Flat / maisonette
Previously £330,000 (Jun 2000) · +47%
£484,000
26B, BELSIZE SQUARE
NW3 4HU · 26 Nov 2003 · Flat / maisonette
Previously £365,000 (Aug 2002) · +1%
£368,000
FLAT 2, 15, BELSIZE SQUARE
NW3 4HT · 20 Nov 2003 · Flat / maisonette
Previously £499,950 (May 2002) · +6%
£530,000
FLAT 2, 38, BELSIZE SQUARE
NW3 4HL · 29 Sep 2003 · Flat / maisonette
Previously £188,250 (Aug 1997) · +73%
£325,000
39A, BELSIZE SQUARE
NW3 4HL · 22 Sep 2003 · Flat / maisonette
Previously £540,000 (Nov 2001) · +13%
£610,000
FLAT 4, 8, BELSIZE SQUARE
NW3 4HT · 9 Sep 2003 · Flat / maisonette
Previously £280,000 (Jul 2000) · +27%
£355,000
FLAT 2, 50, BELSIZE SQUARE
NW3 4HN · 24 Jul 2003 · Flat / maisonette
£347,000
FLAT 1, 11, BELSIZE SQUARE
NW3 4HT · 14 Jul 2003 · Flat / maisonette
Previously £432,500 (Apr 2000) · +59%
£686,000
SECOND FLOOR FLAT, 37, BELSIZE SQUARE
NW3 4HL · 3 Jul 2003 · Flat / maisonette
£380,000
FLAT 3, 5, BELSIZE SQUARE
NW3 4HT · 20 Jun 2003 · Flat / maisonette
£168,000
FLAT 4, 13, BELSIZE SQUARE
NW3 4HT · 20 Jun 2003 · Flat / maisonette
£399,000
FLAT 3, 6, BELSIZE SQUARE
NW3 4HT · 29 May 2003 · Flat / maisonette
Previously £148,000 (Apr 1999) · +61%
£238,000
FIRST FLOOR FLAT, 37, BELSIZE SQUARE
NW3 4HL · 27 May 2003 · Flat / maisonette
Previously £263,000 (Apr 1998) · +67%
£440,000
15A, BELSIZE SQUARE
NW3 4HT · 29 Apr 2003 · Flat / maisonette
£475,000
FLAT 1, 22, BELSIZE SQUARE
NW3 4HT · 4 Apr 2003 · Flat / maisonette
Previously £360,000 (Jan 1998) · +57%
£565,000
FLAT 4, 38, BELSIZE SQUARE
NW3 4HL · 31 Mar 2003 · Flat / maisonette
£277,000
GROUND FLOOR FLAT, 14, BELSIZE SQUARE
NW3 4HT · 6 Dec 2002 · Flat / maisonette
£470,000
FIRST FLOOR FRONT FLAT, 46, BELSIZE SQUARE
NW3 4HN · 12 Nov 2002 · Flat / maisonette
Previously £175,000 (Sep 2000) · +26%
£220,000
GROUND FLOOR FLAT, 44, BELSIZE SQUARE
NW3 4HN · 29 Oct 2002 · Flat / maisonette
£535,000
FLAT 1, 13, BELSIZE SQUARE
NW3 4HT · 12 Sep 2002 · Flat / maisonette
Previously £488,000 (Feb 2001) · +32%
£645,000