Over the past 30 years, there have been 37 property sales recorded in the SW3 3JP postcode area. The highest sale price reached £550,000, while the most recent sale was for a terraced flat sold in April 2025 for £530,000.

The estimated average property value in SW3 3JP currently stands at £463,323, which is approximately 42.8% 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 £15,350.

Property prices in SW3 3JP have fallen by 3.3% over the past year , with a total decrease of 1.6% over the past five years , and a long-term drop of 7.8% over the past decade .

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

Housing in SW3 3JP is mixed, with 42% of homes being owner-occupied, indicating a diverse residential makeup.

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Property Sales

Flat K1, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JP

🏠 Flat
🛏️ 1bed
📐 291 sq ft
Today
£484,851
streetscan.co.uk estimate
16 Jul 1999
£135,000
More details

Flat K11, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JP

🏠 Flat
🛏️ 2bed
📐 366 sq ft
Today
£471,359
streetscan.co.uk estimate
25 Apr 2025
£530,000
27 Apr 1999
£120,000
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More details

Flat K12, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JP

🏠 Flat
🛏️ 2bed
📐 334 sq ft
Today
£436,067
streetscan.co.uk estimate
17 Nov 2006
£248,000
28 Jun 2001
£185,000
More details

Flat K13, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JP

🏠 Flat
🛏️ 2bed
📐 373 sq ft
Today
£609,186
streetscan.co.uk estimate
3 Jul 2002
£275,000
14 Dec 2001
£235,000
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Flat K14, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JP

🏠 Flat
🛏️ 1bed
📐 280 sq ft
Today
£425,916
streetscan.co.uk estimate
26 Jul 2013
£435,000
18 May 2012
£340,000
View +4 more
More details

Flat K15, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JP

🏠 Flat
🛏️ 1bed
📐 334 sq ft
Today
£310,658
streetscan.co.uk estimate
30 Apr 2010
£226,000
More details

Flat K17, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JP

🏠 Flat
🛏️ 1bed
📐 312 sq ft
Today
£387,834
streetscan.co.uk estimate
15 Jun 2006
£210,000
More details

Flat K2, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JP

🏠 Flat
🛏️ 1bed
📐 334 sq ft
Today
£392,647
streetscan.co.uk estimate
1 Jun 2022
£515,000
20 Dec 2018
£420,000
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More details

Flat K20, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JP

🏠 Flat
🛏️ 1bed
📐 280 sq ft
Today
£399,575
streetscan.co.uk estimate
7 Jul 1998
£98,000
More details

Flat K3, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JP

🏠 Flat
🛏️ 1bed
📐 312 sq ft
Today
£478,557
streetscan.co.uk estimate
22 Feb 2016
£550,000
11 Jan 2013
£469,000
View +3 more
More details

Flat K4, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JP

🏠 Flat
🛏️ 2bed
📐 312 sq ft
Today
£396,474
streetscan.co.uk estimate
9 Apr 2013
£365,000
More details

Flat K5, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JP

Today
£393,390
streetscan.co.uk estimate
3 Apr 2009
£220,000

Flat K7, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JP

🏠 Flat
🛏️ 1bed
📐 355 sq ft
Today
£387,423
streetscan.co.uk estimate
31 Mar 2023
£465,000
21 Nov 2018
£432,500
View +1 more
More details

Flat K8, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JP

🏠 Flat
🛏️ 1bed
📐 377 sq ft
Today
£381,210
streetscan.co.uk estimate
5 Aug 2022
£500,000
2 Nov 2012
£475,000
View +1 more
More details

Flat K9, Sloane Avenue Mansions Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3JP

🏠 Flat
🛏️ 1bed
📐 334 sq ft
Today
£411,289
streetscan.co.uk estimate
18 Jun 2018
£480,000
20 Oct 2010
£330,000
More details

Area Insights

Data Sources

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