Over the past 30 years, there have been 23 property sales recorded in the SW3 3JL postcode area. The highest sale price reached £655,000, while the most recent sale was for a terraced flat sold in February 2025 for £480,000.

The estimated average property value in SW3 3JL currently stands at £535,574, which is approximately 38.8% 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 £17,573.

Property prices in SW3 3JL have fallen by 3.3% over the past year , with a total decrease of 1.5% over the past five years, and a long-term drop of 7.7% over the past decade.

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

Housing in SW3 3JL is mixed, with 38% of homes being , indicating a diverse residential makeup.

Click on the map to change the analyzed area

Property Sales

Flat F1, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JL

🏠 Flat
🛏️ 2bed
📐 323 sq ft
Today
£686,877
streetscan.co.uk estimate
11 Dec 2013
£655,000
More details

Flat F10, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JL

🏠 Flat
🛏️ 2bed
📐 355 sq ft
Today
£191,873
streetscan.co.uk estimate
10 Jun 2000
£60,000
More details

Flat F11, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JL

🏠 Flat
🛏️ 2bed
📐 334 sq ft
Today
£502,197
streetscan.co.uk estimate
28 Feb 2025
£480,000
13 Sep 2022
£510,000
More details

Flat F12, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JL

🏠 Flat
🛏️ 2bed
📐 344 sq ft
Today
£567,300
streetscan.co.uk estimate
6 Jan 2022
£635,000
27 Nov 2009
£385,000
More details

Flat F13, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JL

🏠 Flat
🛏️ 2bed
📐 377 sq ft
Today
£572,846
streetscan.co.uk estimate
14 Jun 2016
£595,000
21 Mar 1997
£123,000
More details

Flat F14, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JL

🏠 Flat
🛏️ 1bed
📐 301 sq ft
Today
£428,891
streetscan.co.uk estimate
5 Oct 2006
£218,000
1 Oct 2002
£175,000
More details

Flat F16, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JL

🏠 Flat
🛏️ 1bed
📐 258 sq ft
Today
£379,162
streetscan.co.uk estimate
27 Sep 2019
£380,000
4 Dec 1998
£80,000
More details

Flat F17, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JL

🏠 Flat
🛏️ 1bed
📐 269 sq ft
Today
£447,134
streetscan.co.uk estimate
2 Sep 1999
£125,000
More details

Flat F20, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JL

🏠 Flat
🛏️ 1bed
📐 248 sq ft
Today
£394,481
streetscan.co.uk estimate
19 Feb 2007
£230,150
More details

Flat F3, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JL

🏠 Flat
🛏️ 1bed
📐 334 sq ft
Today
£460,169
streetscan.co.uk estimate
26 Feb 2021
£480,000
More details

Flat F4, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JL

🏠 Flat
🛏️ 2bed
📐 344 sq ft
Today
£1,061,990
streetscan.co.uk estimate
4 Aug 1997
£230,000
More details

Flat F6, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JL

🏠 Flat
🛏️ 1bed
📐 381 sq ft
Today
£642,305
streetscan.co.uk estimate
25 Feb 2011
£445,000
2 Dec 2004
£250,000
More details

Flat F7, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JL

Today
£555,929
streetscan.co.uk estimate
10 Mar 1995
£86,000

Flat F8, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JL

Today
£580,912
streetscan.co.uk estimate
12 Apr 2006
£285,000

Flat F9, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JL

🏠 Flat
🛏️ 1bed
📐 355 sq ft
Today
£499,880
streetscan.co.uk estimate
17 Oct 2022
£575,000
29 Mar 2016
£650,000
View +1 more
More details

Area Insights

Data Sources

Properties at SW3 3JL appear twenty-three times in the Land Registry records, with the latest transaction recorded on 28 Feb 2025. It also has thirteen Energy Performance Certificates (EPC) entries, the earliest dating back to 19 Oct 2010. 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.