Over the past 30 years, there have been 58 property sales recorded in the SW3 3AX postcode area. The highest sale price reached £2,150,000, while the most recent sale was for a terraced flat sold in March 2025 for £530,000.

The estimated average property value in SW3 3AX currently stands at £574,273, which is approximately 34.4% lower than the city average - making it a relatively affordable option for buyers.

In terms of size, the average price per square metre is approximately £17,595.

Property prices in SW3 3AX have fallen by 3.3% over the past year , with a total decrease of 2.7% over the past five years, and a long-term drop of 7.5% over the past decade.

100% of recorded transactions in the area were for flat properties.

Housing in SW3 3AX is mixed, with 91% of homes being , indicating a diverse residential makeup.

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Property Sales

015, Nell Gwynn House, The Parkway, London, Kensington And Chelsea, Greater London, SW3 3AX

Today
£433,107
streetscan.co.uk estimate
19 Aug 2003
£167,500
14 Dec 2001
£170,000
4 Aug 2000
£160,000
2 Jul 1996
£93,500

5, Nell Gwynn House, Brigsteer Road, London, Kensington And Chelsea, Greater London, SW3 3AX

Today
£470,421
streetscan.co.uk estimate
24 Sep 1998
£105,000
15 May 1995
£76,250

Flat 123, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3AX

🏠 Flat
🛏️ 2bed
📐 377 sq ft
Today
£568,362
streetscan.co.uk estimate
30 Sep 2011
£435,221
25 Oct 2001
£225,000
View +1 more
More details

Flat 124, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3AX

🏠 Flat
🛏️ 1bed
📐 366 sq ft
Today
£561,829
streetscan.co.uk estimate
30 Jun 2021
£555,000
More details

Flat 127, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3AX

🏠 Flat
🛏️ 2bed
📐 323 sq ft
Today
£499,205
streetscan.co.uk estimate
28 Aug 2007
£326,000
More details

Flat 128, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3AX

🏠 Flat
🛏️ 2bed
📐 280 sq ft
Today
£567,300
streetscan.co.uk estimate
15 Sep 2015
£635,000
26 Mar 2002
£130,207
More details

Flat 129, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3AX

🏠 Flat
🛏️ 2bed
📐 409 sq ft
Today
£678,072
streetscan.co.uk estimate
11 Jan 2016
£750,000
22 Jan 2010
£385,000
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Flat 130, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3AX

🏠 Flat
🛏️ 1bed
📐 280 sq ft
Today
£347,448
streetscan.co.uk estimate
8 Jun 2022
£425,000
13 Feb 2012
£400,000
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Flat 131, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3AX

🏠 Flat
🛏️ 2bed
📐 291 sq ft
Today
£502,380
streetscan.co.uk estimate
30 Mar 2016
£547,900
More details

Flat 132, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3AX

🏠 Flat
🛏️ 1bed
📐 290 sq ft
Today
£387,857
streetscan.co.uk estimate
20 Sep 1996
£72,000
More details

Flat 133, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3AX

🏠 Flat
🛏️ 2bed
📐 334 sq ft
Today
£570,459
streetscan.co.uk estimate
16 Aug 2019
£590,000
11 Apr 2008
£338,000
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More details

Flat 134, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3AX

🏠 Flat
🛏️ 1bed
📐 382 sq ft
Today
£507,756
streetscan.co.uk estimate
22 Aug 2016
£510,000
10 May 2007
£335,000
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Flat 135, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3AX

🏠 Flat
🛏️ 2bed
📐 355 sq ft
Today
£501,533
streetscan.co.uk estimate
14 Jun 2001
£179,000
More details

Flat 137, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3AX

🏠 Flat
🛏️ 2bed
📐 366 sq ft
Today
£575,810
streetscan.co.uk estimate
4 Mar 2025
£530,000
8 Sep 2014
£710,000
View +3 more
More details

Flat 138, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3AX

🏠 Flat
🛏️ 1bed
📐 366 sq ft
Today
£516,996
streetscan.co.uk estimate
30 Nov 1995
£87,975
More details

Flat 139, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3AX

🏠 Flat
🛏️ 1bed
📐 258 sq ft
Today
£436,339
streetscan.co.uk estimate
21 Sep 1996
£81,000
4 Jan 1995
£75,000
More details

Flat 140, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3AX

🏠 Flat
🛏️ 2bed
📐 334 sq ft
Today
£530,619
streetscan.co.uk estimate
30 Apr 2010
£360,000
28 Jan 2005
£197,500
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Flat 141, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3AX

🏠 Flat
🛏️ 1bed
📐 269 sq ft
Today
£448,599
streetscan.co.uk estimate
6 Jan 2012
£345,000
6 May 2004
£227,000
More details

Flat 142, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3AX

🏠 Flat
🛏️ 1bed
📐 312 sq ft
Today
£514,205
streetscan.co.uk estimate
10 Jun 2013
£475,000
1 Apr 2004
£222,000
More details

Flat 143, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3AX

🏠 Flat
🛏️ 1bed
📐 269 sq ft
Today
£544,920
streetscan.co.uk estimate
20 Apr 2004
£227,000
More details

Flat 144, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3AX

🏠 Flat
🛏️ 1bed
📐 291 sq ft
Today
£550,922
streetscan.co.uk estimate
27 Apr 2004
£229,500
More details

Flat 145, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3AX

🏠 Flat
🛏️ 1bed
📐 269 sq ft
Today
£538,919
streetscan.co.uk estimate
22 Apr 2004
£224,500
More details

Flat 146, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3AX

🏠 Flat
🛏️ 2bed
📐 334 sq ft
Today
£626,329
streetscan.co.uk estimate
23 Oct 2014
£690,000
12 Dec 2000
£176,000
More details

Flat 147, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3AX

🏠 Flat
🛏️ 2bed
📐 646 sq ft
Today
£697,831
streetscan.co.uk estimate
15 Jul 2005
£320,000
21 Feb 2001
£250,000
More details

Flat 302, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3AX

Today
£480,000
streetscan.co.uk estimate
13 Sep 2013
£480,000
26 Sep 2011
£360,000

The Penthouse, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3AX

🏠 Flat
🛏️ bed
📐 958 sq ft
Today
£1,759,268
streetscan.co.uk estimate
23 Jan 2018
£2,150,000
15 Dec 2016
£1,800,000
More details

Area Insights

Data Sources

Properties at SW3 3AX appear fifty-eight times in the Land Registry records, with the latest transaction recorded on 4 Mar 2025. It also has twenty-three Energy Performance Certificates (EPC) entries, the earliest dating back to 1 Oct 2018. We use this data, to estimate the property's characteristics and current market value.

This website uses public sector information from:

These datasets are licensed under the Open Government Licence v3.0.
This website is not affiliated with or endorsed by HM Land Registry or DLUHC.

Disclaimer: StreetScan.co.uk makes all reasonable efforts to ensure the information provided on this website is current and accurate; however, no warranties or representations are made as to its completeness or accuracy. StreetScan.co.uk expressly disclaims any and all liability for any loss, damage, or expense arising directly or indirectly from the use of, or reliance upon, such information.