Over the past 30 years, there have been 85 property sales recorded in the SW3 1AX postcode area. The highest sale price reached £6,750,000, while the most recent sale was for a terraced flat sold in January 2024 for £375,000.

The estimated average property value in SW3 1AX currently stands at £840,894, which is roughly in line with the city average (within ±8%), suggesting property prices reflect broader market trends.

In terms of size, the average price per square metre is approximately £15,068.

Property prices in SW3 1AX have fallen by 3.3% over the past year , with a total decrease of 2.6% over the past five years, and a long-term drop of 7.3% over the past decade.

The most common type of property sold in the area is flat, making up around 99% of transactions , followed by detached.

Housing in SW3 1AX is mixed, with 44% of homes being , indicating a diverse residential makeup.

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Property Sales

Flat 1, Jefferson House, 11 Basil Street, London, Kensington And Chelsea, Greater London, SW3 1AX

🏠 Flat
🛏️ 3bed
📐 753 sq ft
Today
£1,002,598
streetscan.co.uk estimate
19 Jan 1998
£226,000
More details

Flat 10, Jefferson House, 11 Basil Street, London, Kensington And Chelsea, Greater London, SW3 1AX

🏠 Flat
🛏️ 1bed
📐 291 sq ft
Today
£515,269
streetscan.co.uk estimate
11 Jan 2019
£550,000
31 Mar 2016
£485,000
View +3 more
More details

Flat 11, Jefferson House, 11 Basil Street, London, Kensington And Chelsea, Greater London, SW3 1AX

🏠 Flat
🛏️ 1bed
📐 280 sq ft
Today
£386,510
streetscan.co.uk estimate
14 Nov 2006
£205,000
20 Mar 1996
£98,000
More details

Flat 12, Jefferson House, 11 Basil Street, London, Kensington And Chelsea, Greater London, SW3 1AX

🏠 Flat
🛏️ 1bed
📐 312 sq ft
Today
£407,505
streetscan.co.uk estimate
20 Feb 2017
£480,000
9 May 2011
£245,000
View +3 more
More details

Flat 13, Jefferson House, 11 Basil Street, London, Kensington And Chelsea, Greater London, SW3 1AX

🏠 Flat
🛏️ 1bed
📐 280 sq ft
Today
£499,310
streetscan.co.uk estimate
14 May 2001
£176,000
3 Jun 1999
£108,500
More details

Flat 16, Jefferson House, 11 Basil Street, London, Kensington And Chelsea, Greater London, SW3 1AX

🏠 Flat
🛏️ 1bed
📐 350 sq ft
Today
£265,696
streetscan.co.uk estimate
15 Jun 2022
£325,000
More details

Flat 17, Jefferson House, 11 Basil Street, London, Kensington And Chelsea, Greater London, SW3 1AX

🏠 Flat
🛏️ 1bed
📐 334 sq ft
Today
£375,437
streetscan.co.uk estimate
2 Dec 2019
£380,000
More details

Flat 18, Jefferson House, 11 Basil Street, London, Kensington And Chelsea, Greater London, SW3 1AX

Today
£689,238
streetscan.co.uk estimate
4 Sep 1995
£115,000

Flat 2, Jefferson House, 11 Basil Street, London, Kensington And Chelsea, Greater London, SW3 1AX

🏠 Flat
🛏️ 1bed
📐 388 sq ft
Today
£359,889
streetscan.co.uk estimate
22 Jan 2024
£375,000
25 Jun 2021
£345,000
View +5 more
More details

Flat 20, Jefferson House, 11 Basil Street, London, Kensington And Chelsea, Greater London, SW3 1AX

🏠 Flat
🛏️ 1bed
📐 280 sq ft
Today
£453,726
streetscan.co.uk estimate
12 Aug 2022
£555,000
30 Apr 2015
£485,000
View +2 more
More details

Flat 21, Jefferson House, 11 Basil Street, London, Kensington And Chelsea, Greater London, SW3 1AX

🏠 Flat
🛏️ 1bed
📐 258 sq ft
Today
£456,412
streetscan.co.uk estimate
21 Oct 2022
£525,000
3 May 2001
£110,000
More details

Flat 22, Jefferson House, 11 Basil Street, London, Kensington And Chelsea, Greater London, SW3 1AX

🏠 Flat
🛏️ 1bed
📐 161 sq ft
Today
£206,726
streetscan.co.uk estimate
11 Jun 2018
£225,000
6 Jan 1995
£32,250
More details

Flat 23, Jefferson House, 11 Basil Street, London, Kensington And Chelsea, Greater London, SW3 1AX

🏠 Flat
🛏️ 1bed
📐 172 sq ft
Today
£220,508
streetscan.co.uk estimate
11 Jun 2018
£240,000
28 Feb 2006
£174,000
View +1 more
More details

Flat 25, Jefferson House, 11 Basil Street, London, Kensington And Chelsea, Greater London, SW3 1AX

🏠 Flat
🛏️ 1bed
📐 129 sq ft
Today
£222,401
streetscan.co.uk estimate
25 Apr 2017
£260,000
25 Jan 1995
£31,250
More details

Flat 26, Jefferson House, 11 Basil Street, London, Kensington And Chelsea, Greater London, SW3 1AX

🏠 Flat
🛏️ 1bed
📐 323 sq ft
Today
£371,392
streetscan.co.uk estimate
28 Mar 2022
£435,000
10 Mar 1995
£32,500
More details

Flat 27, Jefferson House, 11 Basil Street, London, Kensington And Chelsea, Greater London, SW3 1AX

🏠 Flat
🛏️ 1bed
📐 161 sq ft
Today
£202,009
streetscan.co.uk estimate
25 Jan 1995
£31,250
More details

Flat 28, Jefferson House, 11 Basil Street, London, Kensington And Chelsea, Greater London, SW3 1AX

🏠 Flat
🛏️ 1bed
📐 226 sq ft
Today
£362,659
streetscan.co.uk estimate
1 Jun 2007
£220,000
13 Dec 2002
£165,000
View +1 more
More details

Flat 29, Jefferson House, 11 Basil Street, London, Kensington And Chelsea, Greater London, SW3 1AX

🏠 Flat
🛏️ 1bed
📐 192 sq ft
Today
£370,000
streetscan.co.uk estimate
20 Sep 2013
£370,000
More details

Flat 30, Jefferson House, 11 Basil Street, London, Kensington And Chelsea, Greater London, SW3 1AX

🏠 Flat
🛏️ 1bed
📐 280 sq ft
Today
£536,785
streetscan.co.uk estimate
8 Oct 2020
£570,000
22 May 2015
£490,000
View +2 more
More details

Flat 31, Jefferson House, 11 Basil Street, London, Kensington And Chelsea, Greater London, SW3 1AX

🏠 Flat
🛏️ 1bed
📐 269 sq ft
Today
£357,237
streetscan.co.uk estimate
29 Aug 2018
£420,000
More details

Flat 33, Jefferson House, 11 Basil Street, London, Kensington And Chelsea, Greater London, SW3 1AX

🏠 Flat
🛏️ 4bed
📐 1658 sq ft
Today
£890,164
streetscan.co.uk estimate
21 Dec 2005
£420,000
More details

Flat 34, Jefferson House, 11 Basil Street, London, Kensington And Chelsea, Greater London, SW3 1AX

Today
£6,474,563
streetscan.co.uk estimate
26 Sep 2007
£4,500,000
26 Sep 2007
£4,500,000
19 May 2000
£490,000

Flat 35, Jefferson House, 11 Basil Street, London, Kensington And Chelsea, Greater London, SW3 1AX

Today
£1,033,858
streetscan.co.uk estimate
4 Sep 2000
£345,000
18 Apr 1997
£390,000

Flat 36, Jefferson House, 11 Basil Street, London, Kensington And Chelsea, Greater London, SW3 1AX

🏠 Flat
🛏️ 3bed
📐 539 sq ft
Today
£1,057,792
streetscan.co.uk estimate
8 Jun 2012
£900,000
More details

Flat 4, Jefferson House, 11 Basil Street, London, Kensington And Chelsea, Greater London, SW3 1AX

🏠 Flat
🛏️ 1bed
📐 366 sq ft
Today
£495,274
streetscan.co.uk estimate
7 Oct 2004
£220,000
8 Oct 2001
£181,500
View +1 more
More details

Flat 5, Jefferson House, 11 Basil Street, London, Kensington And Chelsea, Greater London, SW3 1AX

🏠 Flat
🛏️ 1bed
📐 291 sq ft
Today
£437,153
streetscan.co.uk estimate
13 Nov 2020
£470,000
15 Aug 2014
£300,000
View +3 more
More details

Flat 6, Jefferson House, 11 Basil Street, London, Kensington And Chelsea, Greater London, SW3 1AX

🏠 Flat
🛏️ 1bed
📐 323 sq ft
Today
£343,444
streetscan.co.uk estimate
26 May 2022
£422,000
More details

Flat 7, Jefferson House, 11 Basil Street, London, Kensington And Chelsea, Greater London, SW3 1AX

🏠 Flat
🛏️ 1bed
📐 334 sq ft
Today
£466,578
streetscan.co.uk estimate
30 Sep 2022
£580,000
13 Sep 2013
£465,000
View +4 more
More details

Flat 8, Jefferson House, 11 Basil Street, London, Kensington And Chelsea, Greater London, SW3 1AX

🏠 Flat
🛏️ 1bed
📐 269 sq ft
Today
£208,518
streetscan.co.uk estimate
20 Sep 2023
£226,950
26 Oct 1998
£110,000
More details

Flat 9, Jefferson House, 11 Basil Street, London, Kensington And Chelsea, Greater London, SW3 1AX

🏠 Flat
🛏️ 1bed
📐 301 sq ft
Today
£512,428
streetscan.co.uk estimate
20 Dec 2021
£590,000
24 Apr 2015
£625,000
View +3 more
More details

Flat 11, Jefferson House, 7 - 13 Basil Street, London, Kensington And Chelsea, Greater London, SW3 1AX

Today
£367,434
streetscan.co.uk estimate
15 Jun 2017
£412,500
24 Jan 2014
£405,000
20 Dec 2011
£375,000
8 Sep 2010
£325,000

Penthouse Flat, Jefferson House, 7 - 13 Basil Street, London, Kensington And Chelsea, Greater London, SW3 1AX

Today
£6,902,542
streetscan.co.uk estimate
28 Aug 2013
£6,750,000

18A, Jefferson House Basil Street, London, Kensington And Chelsea, Greater London, SW3 1AX

Today
£91,169
streetscan.co.uk estimate
18 Nov 1996
£15,000

Area Insights

Data Sources

Properties at SW3 1AX appear eighty-five times in the Land Registry records, with the latest transaction recorded on 22 Jan 2024. It also has twenty-seven Energy Performance Certificates (EPC) entries, the earliest dating back to 6 Apr 2016. 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.