Over the past 31 years, there have been 38 property sales recorded in the SW3 3JQ postcode area. The highest sale price reached £660,000, while the most recent sale was for a terraced flat sold in April 2025 for £480,000.

The estimated average property value in SW3 3JQ currently stands at £575,621, which is approximately 28.9% 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 £18,611.

Property prices in SW3 3JQ 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 7.6% over the past decade .

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

Housing in SW3 3JQ is mixed, with 37% of homes being owner-occupied, indicating a diverse residential makeup.

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Property Sales

Flat C1, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JQ

🏠 Flat
🛏️ 2bed
📐 334 sq ft
Today
£502,790
streetscan.co.uk estimate
9 Jan 2015
£585,000
17 Apr 2008
£377,500
More details

Flat C10, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JQ

🏠 Flat
🛏️ 2bed
📐 280 sq ft
Today
£527,500
streetscan.co.uk estimate
24 Jul 2019
£595,000
20 May 2014
£660,000
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More details

Flat C11, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JQ

🏠 Flat
🛏️ 2bed
📐 355 sq ft
Today
£598,719
streetscan.co.uk estimate
24 Oct 2013
£620,000
20 Feb 2004
£249,950
View +3 more
More details

Flat C12, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JQ

🏠 Flat
🛏️ 2bed
📐 344 sq ft
Today
£644,105
streetscan.co.uk estimate
1 Jun 2004
£290,000
1 Jul 2003
£230,000
More details

Flat C13, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JQ

🏠 Flat
🛏️ 2bed
📐 388 sq ft
Today
£586,667
streetscan.co.uk estimate
26 Jul 2010
£440,000
20 Mar 2003
£249,000
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More details

Flat C14, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JQ

🏠 Flat
🛏️ 1bed
📐 258 sq ft
Today
£397,097
streetscan.co.uk estimate
24 Feb 2011
£295,000
18 Mar 2005
£207,000
View +1 more
More details

Flat C15, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JQ

🏠 Flat
🛏️ 2bed
📐 377 sq ft
Today
£628,768
streetscan.co.uk estimate
21 Feb 2012
£520,000
31 Jan 1995
£60,000
More details

Flat C19, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JQ

🏠 Flat
🛏️ 1bed
📐 215 sq ft
Today
£399,219
streetscan.co.uk estimate
24 Aug 2012
£368,000
27 Mar 2007
£219,950
More details

Flat C2, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JQ

🏠 Flat
🛏️ 2bed
📐 355 sq ft
Today
£515,778
streetscan.co.uk estimate
23 Aug 2019
£572,000
18 Sep 1996
£104,300
More details

Flat C20, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JQ

🏠 Flat
🛏️ 1bed
📐 248 sq ft
Today
£420,533
streetscan.co.uk estimate
19 Dec 2013
£430,000
18 Oct 2000
£140,000
More details

Flat C3, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JQ

🏠 Flat
🛏️ 2bed
📐 344 sq ft
Today
£464,465
streetscan.co.uk estimate
20 Sep 2024
£525,000
4 Jan 2008
£324,000
More details

Flat C4, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JQ

Today
£599,902
streetscan.co.uk estimate
23 Jan 1998
£145,000
18 Jan 1996
£90,000

Flat C5, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JQ

🏠 Flat
🛏️ 2bed
📐 312 sq ft
Today
£426,891
streetscan.co.uk estimate
25 Apr 2025
£480,000
More details

Flat C6, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JQ

🏠 Flat
🛏️ 2bed
📐 366 sq ft
Today
£557,774
streetscan.co.uk estimate
4 Sep 2009
£380,000
More details

Flat C7, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JQ

🏠 Flat
🛏️ 2bed
📐 350 sq ft
Today
£580,308
streetscan.co.uk estimate
12 Aug 2016
£625,000
More details

Flat C8, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JQ

🏠 Flat
🛏️ 1bed
📐 452 sq ft
Today
£575,455
streetscan.co.uk estimate
4 Dec 1995
£105,000
More details

Flat C9, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JQ

🏠 Flat
🛏️ 2bed
📐 355 sq ft
Today
£607,250
streetscan.co.uk estimate
29 Jun 2007
£395,000
18 Oct 2006
£215,000
More details

Area Insights

Data Sources

Properties at SW3 3JQ appear thirty-eight times in the Land Registry records, with the latest transaction recorded on 25 Apr 2025. It also has sixteen Energy Performance Certificates (EPC) entries, the earliest dating back to 22 Nov 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.