Over the past 30 years, there have been 25 property sales recorded in the SW3 3JJ postcode area. The highest sale price reached £675,000, while the most recent sale was for a terraced flat sold in April 2025 for £525,000.

The estimated average property value in SW3 3JJ currently stands at £540,370, which is approximately 33.2% 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 £17,068.

Property prices in SW3 3JJ 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 7.1% over the past decade .

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

Housing in SW3 3JJ is mixed, with 50% of homes being owner-occupied, indicating a diverse residential makeup.

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Property Sales

Flat E1, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JJ

🏠 Flat
🛏️ 2bed
📐 334 sq ft
Today
£533,614
streetscan.co.uk estimate
22 Oct 2015
£600,000
22 Feb 2012
£380,000
More details

Flat E10, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JJ

🏠 Flat
🛏️ 2bed
📐 366 sq ft
Today
£466,913
streetscan.co.uk estimate
25 Apr 2025
£525,000
1 May 1998
£125,500
More details

Flat E11, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JJ

🏠 Flat
🛏️ 2bed
📐 377 sq ft
Today
£455,098
streetscan.co.uk estimate
8 Sep 2008
£330,000
More details

Flat E12, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JJ

🏠 Flat
🛏️ 2bed
📐 312 sq ft
Today
£548,600
streetscan.co.uk estimate
1 Mar 2013
£520,000
More details

Flat E16, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JJ

🏠 Flat
🛏️ 1bed
📐 280 sq ft
Today
£358,700
streetscan.co.uk estimate
2 Aug 1996
£68,000
More details

Flat E17, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JJ

🏠 Flat
🛏️ 1bed
📐 344 sq ft
Today
£432,821
streetscan.co.uk estimate
15 Jul 2003
£180,000
More details

Flat E2, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JJ

Today
£400,046
streetscan.co.uk estimate
15 Jan 1997
£82,000

Flat E20, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JJ

🏠 Flat
🛏️ 1bed
📐 248 sq ft
Today
£377,516
streetscan.co.uk estimate
4 Jul 2003
£157,000
More details

Flat E3, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JJ

🏠 Flat
🛏️ 2bed
📐 323 sq ft
Today
£530,585
streetscan.co.uk estimate
24 Jan 2020
£589,050
28 May 1996
£112,000
More details

Flat E4, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JJ

🏠 Flat
🛏️ 2bed
📐 355 sq ft
Today
£656,444
streetscan.co.uk estimate
12 Dec 2001
£245,000
More details

Flat E6, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JJ

Today
£607,506
streetscan.co.uk estimate
18 Apr 2005
£280,000
5 Oct 1998
£130,000

Flat E7, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JJ

🏠 Flat
🛏️ 2bed
📐 377 sq ft
Today
£519,258
streetscan.co.uk estimate
9 Dec 2016
£630,000
More details

Flat E8, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JJ

🏠 Flat
🛏️ 2bed
📐 398 sq ft
Today
£481,827
streetscan.co.uk estimate
5 May 2017
£600,000
27 Jan 2006
£287,500
View +4 more
More details

Flat E9, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JJ

🏠 Flat
🛏️ 2bed
📐 366 sq ft
Today
£600,316
streetscan.co.uk estimate
19 Oct 2015
£675,000
19 Dec 2006
£285,000
View +1 more
More details

Area Insights

Data Sources

Properties at SW3 3JJ appear twenty-five times in the Land Registry records, with the latest transaction recorded on 25 Apr 2025. It also has twelve Energy Performance Certificates (EPC) entries, the earliest dating back to 21 May 2019. 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.