Skip to content

Belsize Avenue, NW3

Street in London

Median, last 3 years
£712,500
34 sales, Jun 2023 – May 2026
Last standard sale
£949,000
23 Jun 2026
Standard sales
532
since 1995

By property type, Jun 2023 – May 2026: Flats median £700,000 (33 sales) · Terraced sold for £885,000

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 (551 records · 163 homes sold more than once)

Address Price
FLAT 16, 15, BELSIZE AVENUE
NW3 4BL · 26 Aug 2010 · Flat / maisonette
Previously £227,500 (Nov 2004) · +67%
£380,000
FLAT 94, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BE · 26 Aug 2010 · Flat / maisonette
Previously £250,000 (Feb 2006) · +91%
£478,000
2, BELSIZE AVENUE
NW3 4AU · 20 Aug 2010 · Semi-detached
Previously £620,000 (Apr 2005) · +88%
£1,165,000
FLAT 5, 21, BELSIZE AVENUE
NW3 4BL · 12 Aug 2010 · Flat / maisonette
£435,000
FLAT 6, 26, BELSIZE AVENUE
NW3 4AU · 19 Jul 2010 · Flat / maisonette
Previously £250,000 (Sep 2003) · +53%
£382,500
LOWER GROUND FLOOR FLAT, 7, BELSIZE AVENUE
NW3 4BL · 9 Jul 2010 · Flat / maisonette
Previously £535,000 (Nov 2004) · +27%
£678,000
FLAT 1, 1, BELSIZE AVENUE
NW3 4BL · 3 Jun 2010 · Flat / maisonette
£960,000
FLAT 1, 1, BELSIZE AVENUE
NW3 4BL · 3 Jun 2010 · Flat / maisonette
Previously £685,000 (Sep 2009) · +40%
£960,000
FLAT 10, 41 - 43, BELSIZE AVENUE
NW3 4BN · 12 Apr 2010 · Flat / maisonette
£288,900
FLAT 60, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BG · 10 Mar 2010 · Flat / maisonette
£425,000
FLAT 92, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BE · 1 Mar 2010 · Flat / maisonette
Previously £150,000 (Jun 1995) · +221%
£481,000
FLAT 5, 63, BELSIZE AVENUE
NW3 4BN · 22 Feb 2010 · Flat / maisonette
Previously £275,000 (Oct 2002) · +40%
£385,000
FLAT 4, 47, BELSIZE AVENUE
NW3 4BN · 15 Jan 2010 · Flat / maisonette
£370,000
SECOND FLOOR FLAT (REAR), 49, BELSIZE AVENUE
NW3 4BN · 12 Jan 2010 · Flat / maisonette
£345,000
56, BELSIZE AVENUE
NW3 4AA · 8 Jan 2010 · Terraced
£2,325,000
FLAT 10, 47, BELSIZE AVENUE
NW3 4BN · 4 Jan 2010 · Flat / maisonette
£395,000
FLAT 4, 63, BELSIZE AVENUE
NW3 4BN · 2 Dec 2009 · Flat / maisonette
Previously £267,000 (Oct 2002) · +26%
£337,500
FLAT 7, 47, BELSIZE AVENUE
NW3 4BN · 16 Nov 2009 · Flat / maisonette
Previously £146,000 (Jul 2000) · +92%
£281,000
FLAT 3, 15, BELSIZE AVENUE
NW3 4BL · 5 Nov 2009 · Flat / maisonette
Previously £227,000 (Mar 2002) · +17%
£265,000
FIRST FLOOR FLAT, 7, BELSIZE AVENUE
NW3 4BL · 2 Nov 2009 · Flat / maisonette
Previously £500,000 (May 2006) · +57%
£785,000
FLAT 8, 47, BELSIZE AVENUE
NW3 4BN · 30 Oct 2009 · Flat / maisonette
£482,500
FLAT 7, 26, BELSIZE AVENUE
NW3 4AU · 28 Oct 2009 · Flat / maisonette
Previously £200,000 (Jan 2002) · +40%
£280,100
FLAT 3, 5, BELSIZE AVENUE
NW3 4BL · 30 Sep 2009 · Flat / maisonette
Previously £280,000 (Jul 2000) · +116%
£605,000
44C, BELSIZE AVENUE
NW3 4AE · 30 Sep 2009 · Flat / maisonette
Previously £130,000 (Dec 1998) · +133%
£302,500
FLAT 1, 1, BELSIZE AVENUE
NW3 4BL · 15 Sep 2009 · Flat / maisonette
Previously £210,000 (Apr 1999) · +226%
£685,000
FLAT 28, 15, BELSIZE AVENUE
NW3 4BL · 11 Sep 2009 · Flat / maisonette
£350,000
FLAT 3, 47, BELSIZE AVENUE
NW3 4BN · 10 Sep 2009 · Flat / maisonette
£369,000
25A, BELSIZE AVENUE
NW3 4BL · 1 Sep 2009 · Flat / maisonette
Previously £535,000 (Aug 2002) · +76%
£940,000
FLAT 104, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BE · 17 Jul 2009 · Flat / maisonette
£480,000
FLAT 26, 15, BELSIZE AVENUE
NW3 4BL · 30 Jun 2009 · Flat / maisonette
Previously £382,550 (Dec 2005) · +10%
£420,000
SECOND FLOOR FLAT, 29, BELSIZE AVENUE
NW3 4BL · 22 May 2009 · Flat / maisonette
Previously £192,000 (Mar 1999) · +119%
£420,000
THIRD FLOOR FLAT (FRONT), 49, BELSIZE AVENUE
NW3 4BN · 28 Jan 2009 · Flat / maisonette
Previously £212,000 (Nov 2005) · +46%
£310,000
FLAT 84, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BE · 9 Jan 2009 · Flat / maisonette
£550,000
61, BELSIZE AVENUE
NW3 4BN · 19 Dec 2008 · Semi-detached
Previously £1,418,110 (Feb 2006) · +207%
£4,350,000
FLAT 63, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BG · 5 Dec 2008 · Flat / maisonette
£410,000
14, BELSIZE AVENUE
NW3 4AU · 9 Sep 2008 · Detached
£750,000
25D, BELSIZE AVENUE
NW3 4BL · 31 Jul 2008 · Flat / maisonette
Previously £450,000 (Aug 2004) · +72%
£774,000
FLAT 61, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BG · 16 Jul 2008 · Flat / maisonette
£392,500
50, BELSIZE AVENUE
NW3 4AE · 15 Jul 2008 · Terraced
Previously £2,250,000 (Jul 2005) · +25%
£2,815,000
FLAT 50, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BG · 27 Jun 2008 · Flat / maisonette
£680,000
FLAT 32, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BJ · 16 May 2008 · Flat / maisonette
£435,000
SECOND FLOOR FLAT, 7, BELSIZE AVENUE
NW3 4BL · 6 May 2008 · Flat / maisonette
Previously £430,000 (Feb 2006) · +51%
£650,000
FLAT 14, 41 - 43, BELSIZE AVENUE
NW3 4BN · 14 Feb 2008 · Flat / maisonette
Previously £285,000 (Mar 2007) · +27%
£361,000
FLAT 26, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BJ · 8 Feb 2008 · Flat / maisonette
Previously £249,950 (May 2005) · +74%
£434,100
FLAT 23, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BJ · 31 Jan 2008 · Flat / maisonette
£600,000
SECOND FLOOR FLAT, 9, BELSIZE AVENUE
NW3 4BL · 7 Jan 2008 · Flat / maisonette
Previously £410,000 (Nov 2005) · +59%
£650,000
FLAT 8, 41 - 43, BELSIZE AVENUE
NW3 4BN · 7 Dec 2007 · Flat / maisonette
Previously £232,500 (Jun 2005) · +40%
£325,000
35C, BELSIZE AVENUE
NW3 4BN · 26 Nov 2007 · Flat / maisonette
£560,000
RAISED GROUND FLOOR FLAT, 63, BELSIZE AVENUE
NW3 4BN · 12 Nov 2007 · Flat / maisonette
Previously £280,000 (Feb 1998) · +266%
£1,025,000
60D, BELSIZE AVENUE
NW3 4AA · 26 Oct 2007 · Flat / maisonette
£595,950
FLAT 18, 15, BELSIZE AVENUE
NW3 4BL · 19 Oct 2007 · Flat / maisonette
Previously £300,000 (Jun 2007) · +33%
£400,000
FLAT 19, 15, BELSIZE AVENUE
NW3 4BL · 28 Sep 2007 · Flat / maisonette
Previously £208,000 (Apr 2002) · +75%
£365,000
FLAT 1, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BH · 25 Sep 2007 · Flat / maisonette
£526,000
FIRST FLOOR REAR FLAT, 44, BELSIZE AVENUE
NW3 4AE · 23 Aug 2007 · Flat / maisonette
£376,000
25B, BELSIZE AVENUE
NW3 4BL · 10 Aug 2007 · Flat / maisonette
£875,000
35D, BELSIZE AVENUE
NW3 4BN · 2 Aug 2007 · Flat / maisonette
Previously £299,950 (Sep 2001) · +65%
£495,000
FLAT 12, 28, BELSIZE AVENUE
NW3 4AU · 27 Jul 2007 · Flat / maisonette
Previously £299,950 (Aug 2002) · +17%
£350,000
FLAT 18, 15, BELSIZE AVENUE
NW3 4BL · 6 Jun 2007 · Flat / maisonette
Previously £234,000 (Jan 2003) · +28%
£300,000
FLAT 5, 45, BELSIZE AVENUE
NW3 4BN · 25 May 2007 · Flat / maisonette
Previously £200,000 (Apr 1996) · +238%
£675,000
60B, BELSIZE AVENUE
NW3 4AA · 22 May 2007 · Flat / maisonette
£799,950
GROUND FLOOR FLAT, 9, BELSIZE AVENUE
NW3 4BL · 14 May 2007 · Flat / maisonette
£555,000
FLAT 110, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BE · 1 May 2007 · Flat / maisonette
£500,000
FLAT 1, 16, BELSIZE AVENUE
NW3 4AU · 16 Apr 2007 · Flat / maisonette
Previously £249,999 (May 2005) · +24%
£310,000
FLAT C, 54, BELSIZE AVENUE
NW3 4AE · 28 Mar 2007 · Flat / maisonette
Previously £165,000 (Mar 1996) · +255%
£585,000
FLAT 3, 22, BELSIZE AVENUE
NW3 4AU · 20 Mar 2007 · Flat / maisonette
£275,000
FLAT 14, 41 - 43, BELSIZE AVENUE
NW3 4BN · 19 Mar 2007 · Flat / maisonette
£285,000
FLAT 7, 41 - 43, BELSIZE AVENUE
NW3 4BN · 7 Feb 2007 · Flat / maisonette
Previously £250,000 (Oct 2006) · +48%
£370,000
FLAT 24, 15, BELSIZE AVENUE
NW3 4BL · 1 Feb 2007 · Flat / maisonette
£238,800
49A, BELSIZE AVENUE
NW3 4BN · 12 Jan 2007 · Flat / maisonette
£486,800
ENTRANCE FLOOR FLAT, 49, BELSIZE AVENUE
NW3 4BN · 15 Dec 2006 · Flat / maisonette
Previously £650,000 (Feb 2004) · +17%
£760,000
FLAT 5, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BH · 13 Dec 2006 · Flat / maisonette
Previously £350,000 (Aug 2004) · +14%
£398,000
FLAT 2, 11, BELSIZE AVENUE
NW3 4BL · 29 Nov 2006 · Flat / maisonette
£389,000
49B, BELSIZE AVENUE
NW3 4BN · 7 Nov 2006 · Flat / maisonette
£500,000
FLAT 7, 41 - 43, BELSIZE AVENUE
NW3 4BN · 20 Oct 2006 · Flat / maisonette
£250,000
FIRST FLOOR FRONT FLAT, 16, BELSIZE AVENUE
NW3 4AU · 18 Sep 2006 · Flat / maisonette
£250,000
6, BELSIZE AVENUE
NW3 4AU · 18 Aug 2006 · Terraced
Previously £410,000 (Oct 1999) · +51%
£620,000
FLAT 98, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BE · 1 Aug 2006 · Flat / maisonette
Previously £245,000 (Oct 1999) · +93%
£473,000
23A, BELSIZE AVENUE
NW3 4BL · 28 Jul 2006 · Flat / maisonette
Previously £665,000 (Feb 2004) · +13%
£750,000
FLAT 28, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BJ · 31 May 2006 · Flat / maisonette
Previously £340,000 (Feb 2005) · +26%
£430,000
FIRST FLOOR FLAT, 7, BELSIZE AVENUE
NW3 4BL · 3 May 2006 · Flat / maisonette
Previously £250,000 (Nov 1998) · +100%
£500,000
THIRD FLOOR FLAT, 7, BELSIZE AVENUE
NW3 4BL · 6 Mar 2006 · Flat / maisonette
Previously £330,000 (Mar 2003) · +23%
£407,500
SECOND FLOOR FLAT, 18, BELSIZE AVENUE
NW3 4AU · 1 Mar 2006 · Flat / maisonette
Previously £250,000 (Aug 2003) · +21%
£303,500
61, BELSIZE AVENUE
NW3 4BN · 10 Feb 2006 · Semi-detached
£1,418,110
FLAT 94, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BE · 9 Feb 2006 · Flat / maisonette
£250,000
SECOND FLOOR FLAT, 7, BELSIZE AVENUE
NW3 4BL · 7 Feb 2006 · Flat / maisonette
Previously £265,000 (Jul 1998) · +62%
£430,000
FLAT 73, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BG · 31 Jan 2006 · Flat / maisonette
Previously £165,000 (Nov 2001) · +76%
£290,000
39B, BELSIZE AVENUE
NW3 4BN · 18 Jan 2006 · Flat / maisonette
Previously £60,000 (Jul 1996) · +708%
£485,000
FLAT 26, 15, BELSIZE AVENUE
NW3 4BL · 13 Dec 2005 · Flat / maisonette
£382,550
SECOND FLOOR FLAT, 9, BELSIZE AVENUE
NW3 4BL · 28 Nov 2005 · Flat / maisonette
£410,000
THIRD FLOOR FLAT (FRONT), 49, BELSIZE AVENUE
NW3 4BN · 25 Nov 2005 · Flat / maisonette
£212,000
FLAT E, 39, BELSIZE AVENUE
NW3 4BN · 8 Nov 2005 · Flat / maisonette
£455,000
UPPER GROUND FLOOR FLAT, 7, BELSIZE AVENUE
NW3 4BL · 4 Nov 2005 · Flat / maisonette
Previously £455,000 (May 2001) · +5%
£478,500
60A, BELSIZE AVENUE
NW3 4AA · 21 Oct 2005 · Flat / maisonette
Previously £143,500 (Feb 1999) · +69%
£242,500
FLAT 55, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BG · 14 Oct 2005 · Flat / maisonette
£265,000
FLAT 95, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BE · 8 Sep 2005 · Flat / maisonette
£535,000
SECOND FLOOR FLAT, 32, BELSIZE AVENUE
NW3 4AH · 17 Aug 2005 · Flat / maisonette
Previously £360,000 (Jul 2002) · +18%
£425,000
FLAT 7, 27, BELSIZE AVENUE
NW3 4BL · 15 Aug 2005 · Flat / maisonette
Previously £185,070 (Dec 1996) · +35%
£250,000
54D, BELSIZE AVENUE
NW3 4AE · 15 Jul 2005 · Flat / maisonette
Previously £420,000 (Aug 2002) · +17%
£491,751
50, BELSIZE AVENUE
NW3 4AE · 15 Jul 2005 · Terraced
Previously £975,000 (Jun 1999) · +131%
£2,250,000
BASEMENT FLAT, 49, BELSIZE AVENUE
NW3 4BN · 11 Jul 2005 · Flat / maisonette
£520,000