Over the past 30 years, there have been 41 property sales recorded in the SW7 3AG postcode area. The highest sale price reached £3,500,000, while the most recent sale was for a terraced maisonette sold in March 2025 for £3,500,000.

The estimated average property value in SW7 3AG currently stands at £1,356,484, which is approximately 67.6% higher than the city average, indicating a potentially more desirable or in-demand location.

In terms of size, the average price per square metre is approximately £17,771.

Property prices in SW7 3AG 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 8.6% over the past decade .

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

Housing in SW7 3AG is mixed, with 45% of homes being owner-occupied, indicating a diverse residential makeup.

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Property Sales

Suite 25, 25 Onslow Gardens, London, Kensington And Chelsea, Greater London, SW7 3AG

Today
£2,387,632
streetscan.co.uk estimate
22 Jun 1999
£645,000
10 Jun 1998
£427,500

Flat 1, 26 Onslow Gardens, London, Kensington And Chelsea, Greater London, SW7 3AG

Today
£614,834
streetscan.co.uk estimate
15 Sep 2000
£220,000

Flat 2, 26 Onslow Gardens, London, Kensington And Chelsea, Greater London, SW7 3AG

🏠 Flat
🛏️ 4bed
📐 1561 sq ft
Today
£1,915,658
streetscan.co.uk estimate
22 Aug 2008
£1,380,000
More details

Flat 3, 26 Onslow Gardens, London, Kensington And Chelsea, Greater London, SW7 3AG

🏠 Flat
🛏️ 5bed
📐 1496 sq ft
Today
£3,203,905
streetscan.co.uk estimate
28 Mar 2025
£3,500,000
More details

Flat 4, 26 Onslow Gardens, London, Kensington And Chelsea, Greater London, SW7 3AG

Today
£208,224
streetscan.co.uk estimate
14 Jun 1995
£37,500

Flat 5, 26 Onslow Gardens, London, Kensington And Chelsea, Greater London, SW7 3AG

🏠 Flat
🛏️ 1bed
📐 441 sq ft
Today
£597,170
streetscan.co.uk estimate
11 Jun 1998
£150,000
More details

Flat 6, 26 Onslow Gardens, London, Kensington And Chelsea, Greater London, SW7 3AG

🏠 Flat
🛏️ 1bed
📐 344 sq ft
Today
£602,857
streetscan.co.uk estimate
1 Jun 2010
£440,000
18 May 2004
£240,000
View +1 more
More details

27 Onslow Gardens, London, Kensington And Chelsea, Greater London, SW7 3AG

Today
£868,583
streetscan.co.uk estimate
2 Oct 2023
£1,060,000
26 Jan 2007
£795,000
3 Nov 2006
£650,000

Flat 3, 27 Onslow Gardens, London, Kensington And Chelsea, Greater London, SW7 3AG

Today
£950,199
streetscan.co.uk estimate
25 Mar 1996
£170,000

Flat 4, 27 Onslow Gardens, London, Kensington And Chelsea, Greater London, SW7 3AG

🏠 Flat
🛏️ 3bed
📐 678 sq ft
Today
£1,277,105
streetscan.co.uk estimate
30 Jun 1999
£345,000
30 Dec 1997
£287,500
More details

Flat 5, 27 Onslow Gardens, London, Kensington And Chelsea, Greater London, SW7 3AG

🏠 Flat
🛏️ 2bed
📐 355 sq ft
Today
£654,439
streetscan.co.uk estimate
5 Jun 2002
£290,000
More details

Flat 6, 27 Onslow Gardens, London, Kensington And Chelsea, Greater London, SW7 3AG

🏠 Flat
🛏️ 2bed
📐 334 sq ft
Today
£551,401
streetscan.co.uk estimate
7 Oct 2015
£620,000
23 Mar 2010
£375,000
More details

28 Onslow Gardens, London, Kensington And Chelsea, Greater London, SW7 3AG

Today
£445,292
streetscan.co.uk estimate
22 Jun 2010
£325,000
30 Aug 2005
£184,000
29 May 2001
£205,000
5 Jan 2000
£158,750
14 Jun 1996
£77,000

4, 28 Onslow Gardens, London, Kensington And Chelsea, Greater London, SW7 3AG

Today
£785,435
streetscan.co.uk estimate
27 Jul 2012
£717,500
8 Nov 2002
£495,000
31 Mar 1999
£249,950

First Floor Flat, 28 Onslow Gardens, London, Kensington And Chelsea, Greater London, SW7 3AG

Today
£1,724,125
streetscan.co.uk estimate
6 Jul 2012
£1,575,000
19 Nov 2004
£410,000

Flat 1, 28 Onslow Gardens, London, Kensington And Chelsea, Greater London, SW7 3AG

🏠 Flat
🛏️ 3bed
📐 1399 sq ft
Today
£1,799,771
streetscan.co.uk estimate
12 Sep 2017
£2,045,000
24 Aug 2006
£1,450,000
More details

Flat 3, 28 Onslow Gardens, London, Kensington And Chelsea, Greater London, SW7 3AG

🏠 Flat
🛏️ 3bed
📐 646 sq ft
Today
£1,192,858
streetscan.co.uk estimate
12 Jul 2007
£799,950
22 Jan 2001
£337,500
More details

Flat 4, 28 Onslow Gardens, London, Kensington And Chelsea, Greater London, SW7 3AG

🏠 Flat
🛏️ 3bed
📐 657 sq ft
Today
£418,586
streetscan.co.uk estimate
5 Jul 2017
£490,500
More details

Flat 6, 28 Onslow Gardens, London, Kensington And Chelsea, Greater London, SW7 3AG

🏠 Flat
🛏️ 2bed
📐 355 sq ft
Today
£339,866
streetscan.co.uk estimate
18 Jun 2021
£360,000
25 Sep 2017
£425,000
View +1 more
More details

Basement, 28A Onslow Gardens, London, Kensington And Chelsea, Greater London, SW7 3AG

Today
£751,950
streetscan.co.uk estimate
5 Mar 1999
£193,333

Flat 29, 29 Onslow Gardens, London, Kensington And Chelsea, Greater London, SW7 3AG

Today
£2,231,264
streetscan.co.uk estimate
3 Mar 2006
£1,150,000

Flat 3, 29 Onslow Gardens, London, Kensington And Chelsea, Greater London, SW7 3AG

Today
£2,038,438
streetscan.co.uk estimate
18 Nov 2020
£2,350,000

Flat 7, 29 Onslow Gardens, London, Kensington And Chelsea, Greater London, SW7 3AG

Today
£2,970,977
streetscan.co.uk estimate
6 Jan 2012
£2,450,000

Area Insights

Data Sources

Properties at SW7 3AG appear fourty-one times in the Land Registry records, with the latest transaction recorded on 28 Mar 2025. It also has eleven Energy Performance Certificates (EPC) entries, the earliest dating back to 3 Sep 2021. 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.