Over the past 29 years, there have been 27 property sales recorded in the SW3 3JG postcode area. The highest sale price reached £600,000, while the most recent sale was for a terraced flat sold in July 2025 for £430,000.

The estimated average property value in SW3 3JG currently stands at £477,636, which is approximately 41% 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 £15,600.

Property prices in SW3 3JG have fallen by 3.3% over the past year , with a total decrease of 2.4% over the past five years , and a long-term drop of 7.4% over the past decade .

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

Housing in SW3 3JG is mixed, with 42% of homes being , indicating a diverse residential makeup.

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Property Sales

Flat B1, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JG

🏠 Flat
🛏️ 2bed
📐 334 sq ft
Today
£395,755
streetscan.co.uk estimate
11 Feb 2022
£475,000
More details

Flat B10, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JG

🏠 Flat
🛏️ 2bed
📐 360 sq ft
Today
£505,848
streetscan.co.uk estimate
4 Sep 2006
£275,100
More details

Flat B12, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JG

🏠 Flat
🛏️ 2bed
📐 349 sq ft
Today
£543,039
streetscan.co.uk estimate
30 Sep 2010
£415,000
9 Aug 2002
£240,000
View +1 more
More details

Flat B13, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JG

🏠 Flat
🛏️ 2bed
📐 366 sq ft
Today
£394,314
streetscan.co.uk estimate
17 May 2023
£470,000
11 Dec 1998
£182,500
View +1 more
More details

Flat B14, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JG

🏠 Flat
🛏️ 1bed
📐 258 sq ft
Today
£311,603
streetscan.co.uk estimate
5 Jul 2024
£350,000
19 Oct 2022
£360,000
More details

Flat B15, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JG

🏠 Flat
🛏️ 2bed
📐 409 sq ft
Today
£380,419
streetscan.co.uk estimate
8 Jul 2025
£430,000
15 Nov 2002
£195,000
More details

Flat B17, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JG

🏠 Flat
🛏️ 1bed
📐 269 sq ft
Today
£393,039
streetscan.co.uk estimate
29 Oct 2007
£285,000
More details

Flat B18, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JG

🏠 Flat
🛏️ 1bed
📐 258 sq ft
Today
£363,409
streetscan.co.uk estimate
4 Dec 2009
£245,000
22 Mar 2006
£225,000
More details

Flat B19, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JG

🏠 Flat
🛏️ 1bed
📐 301 sq ft
Today
£288,821
streetscan.co.uk estimate
28 Mar 2018
£360,000
8 Dec 2000
£120,000
More details

Flat B2, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JG

🏠 Flat
🛏️ 2bed
📐 409 sq ft
Today
£420,212
streetscan.co.uk estimate
11 Feb 2021
£470,000
More details

Flat B20, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JG

🏠 Flat
🛏️ 2bed
📐 280 sq ft
Today
£356,063
streetscan.co.uk estimate
30 Aug 1996
£67,500
More details

Flat B4, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JG

🏠 Flat
🛏️ 2bed
📐 291 sq ft
Today
£644,879
streetscan.co.uk estimate
25 Sep 2002
£285,000
20 Sep 1999
£210,000
More details

Flat B6, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JG

🏠 Flat
🛏️ 2bed
📐 366 sq ft
Today
£530,149
streetscan.co.uk estimate
12 Nov 2004
£249,999
16 Oct 2000
£215,000
More details

Flat B8, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JG

Today
£547,961
streetscan.co.uk estimate
14 Jul 2006
£299,950

Flat B9, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JG

🏠 Flat
🛏️ 4bed
📐 344 sq ft
Today
£491,174
streetscan.co.uk estimate
21 Dec 2017
£600,000
21 May 2012
£460,000
View +1 more
More details

Area Insights

Data Sources

Properties at SW3 3JG appear twenty-seven times in the Land Registry records, with the latest transaction recorded on 8 Jul 2025. It also has fourteen Energy Performance Certificates (EPC) entries, the earliest dating back to 10 Aug 2020. 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.