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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
35A, BELSIZE AVENUE
NW3 4BN · 20 Jun 2017 · Flat / maisonette
Previously £550,000 (Mar 2005) · +136%
£1,300,000
FLAT 1, 31, BELSIZE AVENUE
NW3 4BL · 14 Jun 2017 · Flat / maisonette
£1,595,000
FLAT 3, 51, BELSIZE AVENUE
NW3 4BN · 15 May 2017 · Flat / maisonette
Previously £166,000 (Nov 1999) · +310%
£680,000
FLAT 2, 26, BELSIZE AVENUE
NW3 4AU · 20 Apr 2017 · Flat / maisonette
£1,040,000
FLAT 11, 15, BELSIZE AVENUE Cat B
NW3 4BL · 20 Jan 2017 · Flat / maisonette
£500,000
FLAT 7, 47, BELSIZE AVENUE Cat B
NW3 4BN · 4 Jan 2017 · Flat / maisonette
Previously £281,000 (Nov 2009)
£525,000
FLAT 46, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BG · 30 Nov 2016 · Flat / maisonette
£720,000
FLAT 9, 15, BELSIZE AVENUE
NW3 4BL · 28 Nov 2016 · Flat / maisonette
Previously £405,000 (Jun 2013) · +40%
£567,000
FLAT 3, 49, BELSIZE AVENUE
NW3 4BN · 21 Oct 2016 · Flat / maisonette
Previously £325,000 (Apr 2004) · +100%
£650,000
FLAT 4, 51, BELSIZE AVENUE
NW3 4BN · 21 Jul 2016 · Flat / maisonette
Previously £105,000 (Apr 1995) · +462%
£590,000
9C, BELSIZE AVENUE
NW3 4BL · 13 Jul 2016 · Flat / maisonette
£1,020,000
GROUND FLOOR FLAT, 44, BELSIZE AVENUE
NW3 4AE · 27 May 2016 · Flat / maisonette
Previously £459,950 (Jul 2002) · +155%
£1,175,000
FLAT 41, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BJ · 30 Mar 2016 · Flat / maisonette
Previously £160,000 (Dec 1996) · +447%
£875,000
FLAT 60, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BG · 30 Mar 2016 · Flat / maisonette
Previously £425,000 (Mar 2010) · +47%
£625,000
FLAT 4, 11, BELSIZE AVENUE
NW3 4BL · 29 Mar 2016 · Flat / maisonette
Previously £449,000 (Oct 2003) · +145%
£1,100,250
FLAT 28, 15, BELSIZE AVENUE
NW3 4BL · 19 Feb 2016 · Flat / maisonette
Previously £350,000 (Sep 2009) · +134%
£817,500
FLAT 26, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BJ · 11 Dec 2015 · Flat / maisonette
Previously £595,000 (Sep 2013) · +9%
£650,000
FLAT 5, 63, BELSIZE AVENUE
NW3 4BN · 30 Nov 2015 · Flat / maisonette
Previously £385,000 (Feb 2010) · +81%
£695,000
35F, BELSIZE AVENUE Cat B
NW3 4BN · 24 Nov 2015 · Flat / maisonette
£668,736
FLAT 1, 3, BELSIZE AVENUE
NW3 4BL · 6 Aug 2015 · Flat / maisonette
Previously £166,000 (Aug 1996) · +548%
£1,075,000
FLAT 2, 5, BELSIZE AVENUE
NW3 4BL · 3 Jul 2015 · Flat / maisonette
Previously £235,000 (Jul 2002) · +87%
£440,000
35E, BELSIZE AVENUE
NW3 4BN · 21 May 2015 · Flat / maisonette
£724,018
FLAT 33, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BJ · 11 May 2015 · Flat / maisonette
£620,000
FLAT 3, 1, BELSIZE AVENUE
NW3 4BL · 27 Mar 2015 · Flat / maisonette
Previously £820,000 (Mar 2014) · +18%
£970,000
25C, BELSIZE AVENUE
NW3 4BL · 20 Feb 2015 · Flat / maisonette
Previously £830,000 (Jun 2011) · +73%
£1,435,000
FLAT 20, 15, BELSIZE AVENUE
NW3 4BL · 6 Feb 2015 · Flat / maisonette
Previously £375,000 (Mar 2012) · +57%
£590,000
FLAT 57, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BG · 2 Feb 2015 · Flat / maisonette
Previously £540,000 (Jan 2011) · +76%
£952,500
FLAT 5, 46, BELSIZE AVENUE
NW3 4AE · 12 Jan 2015 · Flat / maisonette
£970,000
FLAT 9, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BH · 17 Dec 2014 · Flat / maisonette
£995,000
FLAT 85, HILLFIELD COURT, BELSIZE AVENUE Cat B
NW3 4BE · 9 Dec 2014 · Flat / maisonette
£700,000
FLAT 93, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BE · 3 Nov 2014 · Flat / maisonette
Previously £80,000 (Aug 1996) · +569%
£535,000
FLAT 5, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BH · 6 Oct 2014 · Flat / maisonette
Previously £398,000 (Dec 2006) · +63%
£650,000
FLAT 11, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BH · 21 Aug 2014 · Flat / maisonette
£620,000
FLAT 35, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BJ · 14 Aug 2014 · Flat / maisonette
£999,995
FLAT 1, 51, BELSIZE AVENUE
NW3 4BN · 7 Aug 2014 · Flat / maisonette
Previously £289,000 (Feb 1997) · +466%
£1,635,000
FLAT 5, 5, BELSIZE AVENUE
NW3 4BL · 31 Jul 2014 · Flat / maisonette
Previously £180,000 (Sep 2000) · +158%
£465,000
4, BELSIZE AVENUE
NW3 4AU · 25 Jul 2014 · Terraced
£1,800,000
FLAT 2, 51, BELSIZE AVENUE
NW3 4BN · 3 Jul 2014 · Flat / maisonette
Previously £545,000 (Jan 2004) · +129%
£1,250,000
FLAT 2, 41 - 43, BELSIZE AVENUE
NW3 4BN · 2 Jun 2014 · Flat / maisonette
£425,000
FLAT 9, 47, BELSIZE AVENUE
NW3 4BN · 27 May 2014 · Flat / maisonette
Previously £387,500 (Dec 2010) · +59%
£615,000
FLAT 21, 41 - 43, BELSIZE AVENUE
NW3 4BN · 17 Apr 2014 · Flat / maisonette
£400,000
FLAT 3, 1, BELSIZE AVENUE
NW3 4BL · 10 Mar 2014 · Flat / maisonette
Previously £300,000 (May 2001) · +173%
£820,000
FLAT 5, 15, BELSIZE AVENUE Cat B
NW3 4BL · 10 Mar 2014 · Other
£460,000
FLAT 5, 15, BELSIZE AVENUE
NW3 4BL · 10 Mar 2014 · Flat / maisonette
£460,000
FLAT 1, 16, BELSIZE AVENUE
NW3 4AU · 7 Mar 2014 · Flat / maisonette
Previously £310,000 (Apr 2007) · +69%
£525,000
48, BELSIZE AVENUE
NW3 4AE · 3 Feb 2014 · Terraced
Previously £810,000 (Dec 1998) · +456%
£4,500,000
THIRD FLOOR FLAT, 23, BELSIZE AVENUE
NW3 4BL · 31 Jan 2014 · Flat / maisonette
Previously £228,000 (May 2005) · +113%
£485,000
44C, BELSIZE AVENUE
NW3 4AE · 30 Jan 2014 · Flat / maisonette
Previously £302,500 (Sep 2009) · +62%
£490,000
FLAT 2, 1, BELSIZE AVENUE
NW3 4BL · 20 Dec 2013 · Flat / maisonette
Previously £250,000 (Aug 2000) · +248%
£870,000
FLAT 84, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BE · 16 Dec 2013 · Flat / maisonette
Previously £550,000 (Jan 2009) · +55%
£852,000
FLAT 6, HILLFIELD COURT, BELSIZE AVENUE Cat B
NW3 4BH · 29 Nov 2013 · Flat / maisonette
£500,000
FLAT 5, 51, BELSIZE AVENUE
NW3 4BN · 29 Nov 2013 · Flat / maisonette
Previously £439,000 (May 2004) · +111%
£925,000
FLAT 8, 47, BELSIZE AVENUE
NW3 4BN · 27 Nov 2013 · Flat / maisonette
Previously £482,500 (Oct 2009) · +66%
£799,950
FLAT 42, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BJ · 8 Nov 2013 · Flat / maisonette
Previously £107,500 (Jan 1995) · +664%
£821,500
SECOND FLOOR FLAT (REAR), 49, BELSIZE AVENUE
NW3 4BN · 31 Oct 2013 · Flat / maisonette
Previously £345,000 (Jan 2010) · +45%
£499,950
8, BELSIZE AVENUE
NW3 4AU · 4 Oct 2013 · Terraced
Previously £380,000 (Jul 1999) · +282%
£1,450,000
FLAT 48, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BG · 3 Oct 2013 · Flat / maisonette
Previously £480,000 (Oct 2003) · +95%
£935,000
FLAT 107, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BE · 2 Oct 2013 · Flat / maisonette
£840,000
FLAT 26, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BJ · 27 Sep 2013 · Flat / maisonette
Previously £434,100 (Feb 2008) · +37%
£595,000
49B, BELSIZE AVENUE
NW3 4BN · 28 Aug 2013 · Flat / maisonette
Previously £500,000 (Nov 2006) · +65%
£824,500
FLAT 12, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BH · 19 Jul 2013 · Flat / maisonette
Previously £250,000 (Dec 1999) · +216%
£790,000
BASEMENT FLAT, 3, BELSIZE AVENUE
NW3 4BL · 2 Jul 2013 · Flat / maisonette
Previously £333,500 (Oct 2004) · +155%
£850,000
FLAT 4, 5, BELSIZE AVENUE
NW3 4BL · 19 Jun 2013 · Flat / maisonette
Previously £154,500 (Jul 1999) · +133%
£360,000
54A, BELSIZE AVENUE
NW3 4AE · 11 Jun 2013 · Flat / maisonette
Previously £315,000 (May 2001) · +124%
£705,000
FLAT 9, 15, BELSIZE AVENUE
NW3 4BL · 11 Jun 2013 · Flat / maisonette
Previously £222,000 (Mar 2003) · +82%
£405,000
12, BELSIZE AVENUE
NW3 4AU · 28 Mar 2013 · Terraced
£1,175,000
FLAT 86, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BE · 8 Mar 2013 · Flat / maisonette
£705,000
FLAT 7, 41 - 43, BELSIZE AVENUE
NW3 4BN · 1 Mar 2013 · Flat / maisonette
Previously £370,000 (Feb 2007) · +7%
£395,000
FLAT B, 54, BELSIZE AVENUE
NW3 4AE · 8 Feb 2013 · Flat / maisonette
Previously £765,000 (Jan 2011) · +18%
£900,000
FIRST FLOOR REAR FLAT, 44, BELSIZE AVENUE
NW3 4AE · 19 Sep 2012 · Flat / maisonette
Previously £376,000 (Aug 2007) · +29%
£485,000
FLAT 20, 41 - 43, BELSIZE AVENUE
NW3 4BN · 22 Aug 2012 · Flat / maisonette
£305,000
FLAT 105, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BE · 26 Jul 2012 · Flat / maisonette
Previously £271,000 (Feb 2003) · +66%
£450,000
38A, BELSIZE AVENUE
NW3 4AH · 22 Jun 2012 · Flat / maisonette
Previously £150,000 (Apr 2002) · +87%
£280,100
FLAT A, 38, BELSIZE AVENUE
NW3 4AH · 22 Jun 2012 · Terraced
£2,520,900
25B, BELSIZE AVENUE
NW3 4BL · 25 May 2012 · Flat / maisonette
Previously £875,000 (Aug 2007) · +29%
£1,125,000
FLAT 9, THE PORTICOS, 53 - 59, BELSIZE AVENUE
NW3 4BN · 25 May 2012 · Flat / maisonette
Previously £407,000 (Feb 1997) · +233%
£1,355,000
44E, BELSIZE AVENUE
NW3 4AE · 27 Apr 2012 · Flat / maisonette
Previously £185,000 (Jan 1997) · +307%
£753,000
60B, BELSIZE AVENUE
NW3 4AA · 30 Mar 2012 · Flat / maisonette
Previously £799,950 (May 2007) · +13%
£900,000
FLAT 20, 15, BELSIZE AVENUE
NW3 4BL · 30 Mar 2012 · Flat / maisonette
£375,000
23A, BELSIZE AVENUE
NW3 4BL · 22 Mar 2012 · Flat / maisonette
Previously £750,000 (Jul 2006) · +24%
£930,000
FLAT 9, 28, BELSIZE AVENUE
NW3 4AU · 10 Feb 2012 · Flat / maisonette
£850,000
FLAT 1, 21, BELSIZE AVENUE
NW3 4BL · 27 Jan 2012 · Flat / maisonette
Previously £450,000 (Apr 1998) · +575%
£3,037,500
FLAT 106, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BE · 23 Dec 2011 · Flat / maisonette
£510,000
60C, BELSIZE AVENUE
NW3 4AA · 5 Oct 2011 · Flat / maisonette
Previously £390,000 (Nov 2003) · +47%
£575,000
FLAT 10, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BH · 3 Oct 2011 · Flat / maisonette
£420,000
FLAT 81, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BE · 22 Jul 2011 · Flat / maisonette
£255,000
FLAT 75, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BG · 15 Jul 2011 · Flat / maisonette
£585,000
FLAT 2, 47, BELSIZE AVENUE
NW3 4BN · 6 Jul 2011 · Flat / maisonette
Previously £750,000 (Jul 1998) · −73%
£205,000
23B, BELSIZE AVENUE
NW3 4BL · 30 Jun 2011 · Flat / maisonette
Previously £610,000 (Oct 2004) · +69%
£1,030,000
FLAT 1, 47, BELSIZE AVENUE
NW3 4BN · 24 Jun 2011 · Flat / maisonette
£313,000
25C, BELSIZE AVENUE
NW3 4BL · 15 Jun 2011 · Flat / maisonette
Previously £340,000 (Oct 1999) · +144%
£830,000
FLAT 95, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BE · 31 May 2011 · Flat / maisonette
Previously £535,000 (Sep 2005) · +47%
£785,000
FLAT 7, 5, BELSIZE AVENUE
NW3 4BL · 21 Apr 2011 · Flat / maisonette
£315,000
FLAT 4, 45, BELSIZE AVENUE
NW3 4BN · 18 Feb 2011 · Flat / maisonette
Previously £390,000 (Apr 2000) · +67%
£650,000
FLAT 57, HILLFIELD COURT, BELSIZE AVENUE
NW3 4BG · 28 Jan 2011 · Flat / maisonette
£540,000
FLAT B, 54, BELSIZE AVENUE
NW3 4AE · 14 Jan 2011 · Flat / maisonette
Previously £436,000 (Nov 2003) · +75%
£765,000
FIRST FLOOR FLAT, 29, BELSIZE AVENUE
NW3 4BL · 3 Jan 2011 · Flat / maisonette
£750,000
FLAT 8, 15, BELSIZE AVENUE
NW3 4BL · 20 Dec 2010 · Flat / maisonette
Previously £285,000 (Apr 2004) · +29%
£368,000
FLAT 9, 47, BELSIZE AVENUE
NW3 4BN · 10 Dec 2010 · Flat / maisonette
£387,500
FLAT 5, 47, BELSIZE AVENUE
NW3 4BN · 19 Nov 2010 · Flat / maisonette
£340,000

Cat B An additional Price Paid entry (category B): a repossession, a buy-to-let with an identifiable mortgage, a purchase by a company or other non-private buyer, or a sale of another kind of property. Left out of every average.