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SW3 3AX

Median, last 3 years
£522,500
2 sales, Jun 2023 – May 2026
Last market-value sale
£515,000
7 Jul 2025
Recorded sales
55
since 1995
SW3 district median
£1,200,000
254 sales, 12 months to May 2026

Medians count full-market-value sales only; repossessions and transfers not at market value (category B) are listed below but excluded.

Median price by year

£175k £350k £525k £700k 1995: £82,113 median, 4 sales 1995 1996: £81,000 median, 3 sales 1998: £118,000 median, 4 sales 1998 1999: £165,000 median, 1 sale 2000: £168,000 median, 2 sales 2001: £177,000 median, 6 sales 2001 2002: £130,207 median, 2 sales 2003: £178,750 median, 2 sales 2004: £227,000 median, 6 sales 2004 2005: £258,750 median, 2 sales 2006: £237,500 median, 1 sale 2007: £326,000 median, 3 sales 2007 2008: £334,000 median, 2 sales 2010: £372,500 median, 2 sales 2010 2011: £397,611 median, 2 sales 2012: £372,500 median, 2 sales 2013: £477,500 median, 2 sales 2013 2014: £700,000 median, 2 sales 2015: £635,000 median, 1 sale 2016: £547,900 median, 3 sales 2016 2019 2022: £425,000 median, 1 sale 2022 2025: £522,500 median, 2 sales 2025
Show the figures
Median sale price and number of sales by year
Year Median Sales
2025 £522,500 2
2022 £425,000 1
2016 £547,900 3
2015 £635,000 1
2014 £700,000 2
2013 £477,500 2
2012 £372,500 2
2011 £397,611 2
2010 £372,500 2
2008 £334,000 2
2007 £326,000 3
2006 £237,500 1
2005 £258,750 2
2004 £227,000 6
2003 £178,750 2
2002 £130,207 2
2001 £177,000 6
2000 £168,000 2
1999 £165,000 1
1998 £118,000 4
1996 £81,000 3
1995 £82,113 4

Sale history (59 records)

Address Date Type Price
FLAT 146, NELL GWYNN HOUSE, SLOANE AVENUE 7 Jul 2025 Flat / maisonette · Leasehold £515,000
FLAT 137, NELL GWYNN HOUSE, SLOANE AVENUE 4 Mar 2025 Flat / maisonette · Leasehold £530,000
FLAT 130, NELL GWYNN HOUSE, SLOANE AVENUE 8 Jun 2022 Flat / maisonette · Leasehold £425,000
FLAT 124, NELL GWYNN HOUSE, SLOANE AVENUE Cat B 30 Jun 2021 Flat / maisonette · Leasehold £555,000
FLAT 133, NELL GWYNN HOUSE, SLOANE AVENUE Cat B 16 Aug 2019 Flat / maisonette · Leasehold £590,000
THE PENTHOUSE, NELL GWYNN HOUSE, SLOANE AVENUE Cat B 23 Jan 2018 Flat / maisonette · Leasehold £2,150,000
THE PENTHOUSE, NELL GWYNN HOUSE, SLOANE AVENUE Cat B 15 Dec 2016 Flat / maisonette · Leasehold £1,800,000
FLAT 134, NELL GWYNN HOUSE, SLOANE AVENUE 22 Aug 2016 Flat / maisonette · Leasehold £510,000
FLAT 131, NELL GWYNN HOUSE, SLOANE AVENUE 30 Mar 2016 Flat / maisonette · Leasehold £547,900
FLAT 129, NELL GWYNN HOUSE, SLOANE AVENUE 11 Jan 2016 Flat / maisonette · Leasehold £750,000
FLAT 128, NELL GWYNN HOUSE, SLOANE AVENUE 15 Sep 2015 Flat / maisonette · Leasehold £635,000
FLAT 146, NELL GWYNN HOUSE, SLOANE AVENUE 23 Oct 2014 Flat / maisonette · Leasehold £690,000
FLAT 137, NELL GWYNN HOUSE, SLOANE AVENUE 8 Sep 2014 Flat / maisonette · Leasehold £710,000
FLAT 302, NELL GWYNN HOUSE, SLOANE AVENUE 13 Sep 2013 Flat / maisonette · Leasehold £480,000
FLAT 142, NELL GWYNN HOUSE, SLOANE AVENUE 10 Jun 2013 Flat / maisonette · Leasehold £475,000
FLAT 130, NELL GWYNN HOUSE, SLOANE AVENUE 13 Feb 2012 Flat / maisonette · Leasehold £400,000
FLAT 141, NELL GWYNN HOUSE, SLOANE AVENUE 6 Jan 2012 Flat / maisonette · Leasehold £345,000
FLAT 123, NELL GWYNN HOUSE, SLOANE AVENUE 30 Sep 2011 Flat / maisonette · Leasehold £435,221
FLAT 302, NELL GWYNN HOUSE, SLOANE AVENUE 26 Sep 2011 Flat / maisonette · Leasehold £360,000
FLAT 140, NELL GWYNN HOUSE, SLOANE AVENUE 30 Apr 2010 Flat / maisonette · Leasehold £360,000
FLAT 129, NELL GWYNN HOUSE, SLOANE AVENUE 22 Jan 2010 Flat / maisonette · Leasehold £385,000
FLAT 137, NELL GWYNN HOUSE, SLOANE AVENUE 10 Dec 2008 Flat / maisonette · Leasehold £330,000
FLAT 133, NELL GWYNN HOUSE, SLOANE AVENUE 11 Apr 2008 Flat / maisonette · Leasehold £338,000
FLAT 127, NELL GWYNN HOUSE, SLOANE AVENUE 28 Aug 2007 Flat / maisonette · Leasehold £326,000
FLAT 134, NELL GWYNN HOUSE, SLOANE AVENUE 10 May 2007 Flat / maisonette · Leasehold £335,000
FLAT 134, NELL GWYNN HOUSE, SLOANE AVENUE 3 Jan 2007 Flat / maisonette · Leasehold £249,500
FLAT 137, NELL GWYNN HOUSE, SLOANE AVENUE 17 Jul 2006 Flat / maisonette · Leasehold £237,500
FLAT 147, NELL GWYNN HOUSE, SLOANE AVENUE 15 Jul 2005 Flat / maisonette · Leasehold £320,000
FLAT 140, NELL GWYNN HOUSE, SLOANE AVENUE 28 Jan 2005 Flat / maisonette · Leasehold £197,500
FLAT 129, NELL GWYNN HOUSE, SLOANE AVENUE 14 Jul 2004 Flat / maisonette · Leasehold £287,000
FLAT 141, NELL GWYNN HOUSE, SLOANE AVENUE 6 May 2004 Flat / maisonette · Leasehold £227,000
FLAT 144, NELL GWYNN HOUSE, SLOANE AVENUE 27 Apr 2004 Flat / maisonette · Leasehold · New build £229,500
FLAT 145, NELL GWYNN HOUSE, SLOANE AVENUE 22 Apr 2004 Flat / maisonette · Leasehold £224,500
FLAT 143, NELL GWYNN HOUSE, SLOANE AVENUE 20 Apr 2004 Flat / maisonette · Leasehold · New build £227,000
FLAT 142, NELL GWYNN HOUSE, SLOANE AVENUE 1 Apr 2004 Flat / maisonette · Leasehold £222,000
015, NELL GWYNN HOUSE 19 Aug 2003 Flat / maisonette · Leasehold £167,500
FLAT 137, NELL GWYNN HOUSE, SLOANE AVENUE 11 Aug 2003 Flat / maisonette · Leasehold £190,000
FLAT 133, NELL GWYNN HOUSE, SLOANE AVENUE 26 Mar 2002 Flat / maisonette · Leasehold £130,207
FLAT 128, NELL GWYNN HOUSE, SLOANE AVENUE 26 Mar 2002 Flat / maisonette · Leasehold £130,207
015, NELL GWYNN HOUSE 14 Dec 2001 Flat / maisonette · Leasehold £170,000
FLAT 123, NELL GWYNN HOUSE, SLOANE AVENUE 25 Oct 2001 Flat / maisonette · Leasehold £225,000
FLAT 140, NELL GWYNN HOUSE, SLOANE AVENUE 27 Jul 2001 Flat / maisonette · Leasehold £175,000
FLAT 135, NELL GWYNN HOUSE, SLOANE AVENUE 14 Jun 2001 Flat / maisonette · Leasehold £179,000
FLAT 140, NELL GWYNN HOUSE, SLOANE AVENUE 11 May 2001 Flat / maisonette · Leasehold £169,000
FLAT 147, NELL GWYNN HOUSE, SLOANE AVENUE 21 Feb 2001 Flat / maisonette · Leasehold £250,000
FLAT 146, NELL GWYNN HOUSE, SLOANE AVENUE 12 Dec 2000 Flat / maisonette · Leasehold £176,000
015, NELL GWYNN HOUSE 4 Aug 2000 Flat / maisonette · Leasehold £160,000
FLAT 130, NELL GWYNN HOUSE, SLOANE AVENUE 31 Aug 1999 Flat / maisonette · Leasehold £165,000
5, NELL GWYNN HOUSE 24 Sep 1998 Flat / maisonette · Leasehold £105,000
FLAT 130, NELL GWYNN HOUSE, SLOANE AVENUE 21 Aug 1998 Flat / maisonette · Leasehold £111,000