SW3 1AX

a postcode in Kensington and Chelsea

Introduced in January 1980

SW3 1AX	Normal (geographic) postcodes	Large user postcodes

The nearby postcodes map only shows currently active postcodes. Postcode markers will cluster if they are close together, which may happen in densly populated built-up areas or where single premises have multiple postcodes.

Streets Associated with SW3 1AX

Basil Street - 50 properties, USRN 21700025

Street names are those nearest to properties in this postcode, they are not necessarily the postal address

Coordinates

Latitude: 51.4999 / 51°29'59"N

Longitude: -0.1612 / 0°9'40"W

UTM Reference: 30U 697031 5709235

OS Easting: 527730

OS Northing: 179482

OS Grid: TQ277794

Location Encoding

Mapcode Local: GBR 7J.ZJ

Mapcode Global: VHGQZ.5K4K

Open Location Code: 9C3XFRXQ+WG

Maidenhead Locator System: IO91wl09

Demographics

Urban/Rural Indicator: A1

major urban conurbation
a very large city or conurbation

ONS Population Classification: 3a2

Multicultural and Educated Urbanites
Student Living and Professional Footholds
Professional Progression

Index of Multiple Deprivation (IMD): 21429 / 32844

7th decile
somewhat less deprived

Demographics are based on the LSOA containing this postcode and not necessarily this postcode alone

Sun and Moon Times for SW3 1AX on Monday 8 June 2026

Nautical twilight begins (First light)	02:46
Civil twilight begins (Dawn)	03:57
Sunrise	04:44
Transit (sun is at its highest)	12:59
Sunset	21:14
Civil twilight ends (Dusk)	22:01
Nautical twilight ends (Nightfall)	23:12

Hours of daylight today	04:14 to 21:44
Hours of darkness tonight (lighting-up time)	21:44 to 04:14
Moon Phase	Waning Crescent
Moon Rises	00:21
Moon sets	12:04

For a full sun and moon calendar for SW3 1AX, go to The Time and Place

Residential Property Sales in SW3 1AX

Date	Address	Property Type	Tenure	Price
22 January 2024	Flat 2, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£375,000
20 September 2023	Flat 8, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£226,950
21 October 2022	Flat 21, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£525,000
30 September 2022	Flat 7, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£580,000
12 August 2022	Flat 20, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£555,000
15 June 2022	Flat 16, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£325,000
26 May 2022	Flat 6, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£422,000
28 March 2022	Flat 26, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£435,000
20 December 2021	Flat 9, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£590,000
25 June 2021	Flat 2, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£345,000
13 November 2020	Flat 5, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£470,000
8 October 2020	Flat 30, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£570,000
2 December 2019	Flat 17, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£380,000
11 January 2019	Flat 10, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£550,000
29 August 2018	Flat 31, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£420,000
11 June 2018	Flat 23, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£240,000
11 June 2018	Flat 22, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£225,000
15 June 2017	Flat 11, Jefferson House, 7 - 13, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£412,500
25 April 2017	Flat 25, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£260,000
20 February 2017	Flat 12, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£480,000
31 March 2016	Flat 10, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£485,000
22 May 2015	Flat 30, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£490,000
30 April 2015	Flat 20, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£485,000
24 April 2015	Flat 9, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£625,000
15 August 2014	Flat 5, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£300,000
24 January 2014	Flat 11, Jefferson House, 7 - 13, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£405,000
20 September 2013	Flat 29, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£370,000
13 September 2013	Flat 7, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£465,000
28 August 2013	Penthouse Flat, Jefferson House, 7 - 13, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£6,750,000
8 June 2012	Flat 36, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£900,000
20 December 2011	Flat 11, Jefferson House, 7 - 13, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£375,000
9 May 2011	Flat 12, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£245,000
8 September 2010	Flat 11, Jefferson House, 7 - 13, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£325,000
21 December 2009	Flat 9, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£311,000
18 November 2009	Flat 2, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£385,000
29 September 2009	Flat 5, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£255,000
26 September 2007	Flat 34, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£4,500,000
26 September 2007	Flat 34, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£4,500,000
1 June 2007	Flat 28, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£220,000
1 May 2007	Flat 7, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£297,000
5 February 2007	Flat 5, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£247,500
22 January 2007	Flat 2, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£285,000
16 November 2006	Flat 30, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£238,000
14 November 2006	Flat 11, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£205,000
18 October 2006	Flat 10, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£245,000
26 June 2006	Flat 10, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£205,000
12 May 2006	Flat 7, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£245,000
28 February 2006	Flat 23, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£174,000
16 January 2006	Flat 12, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£225,000
21 December 2005	Flat 33, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£420,000
7 October 2004	Flat 4, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£220,000
13 September 2004	Flat 9, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£110,000
11 February 2004	Flat 2, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£205,000
24 September 2003	Flat 9, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£190,000
27 March 2003	Flat 2, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£199,000
13 December 2002	Flat 28, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£165,000
1 November 2002	Flat 12, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£190,000
8 October 2001	Flat 4, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£181,500
13 September 2001	Flat 20, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£182,500
23 July 2001	Flat 5, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£144,000
14 May 2001	Flat 13, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£176,000
3 May 2001	Flat 21, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£110,000
4 September 2000	Flat 35, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£345,000
24 July 2000	Flat 4, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£135,000
19 May 2000	Flat 34, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£490,000
3 June 1999	Flat 13, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£108,500
31 March 1999	Flat 20, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£110,000
26 October 1998	Flat 8, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£110,000
19 January 1998	Flat 1, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£226,000
18 April 1997	Flat 35, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£390,000
18 November 1996	18a, Jefferson House, Basil Street, London SW3 1AX	Detached	Leasehold	£15,000
20 March 1996	Flat 11, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£98,000
20 March 1996	Flat 10, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£60,000
30 January 1996	Flat 12, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£82,500
4 September 1995	Flat 18, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£115,000
30 August 1995	Flat 7, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£40,000
2 June 1995	Flat 2, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£72,000
10 March 1995	Flat 26, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£32,500
15 February 1995	Flat 7, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£40,000
25 January 1995	Flat 28, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£31,250
25 January 1995	Flat 27, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£31,250
25 January 1995	Flat 23, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£31,250
25 January 1995	Flat 25, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£31,250
20 January 1995	Flat 30, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£40,000
6 January 1995	Flat 22, Jefferson House, 11, Basil Street, London SW3 1AX	Flat/apartment	Leasehold	£32,250

Key to property sale icons:

	First sale of newbuild property. This includes new properties created from existing properties, such as residential conversions of commercial or agricultural property, or subdivision of a larger residential property.
	Subsequent sale of existing property.
	Standard sale at market value to private individual.
	Additional (non-standard) sale. This includes repossessions, buy-to-lets and transfers of property sold to non-private individuals.

Elected Representatives for SW3 1AX

United Kingdom Parliament

Constituency

Kensington and Bayswater

MP

Joe Powell Labour

London Assembly

Assembly Constituency

West Central

Assembly Member

James Small-Edwards Labour

Londonwide Members

Assembly Members

Elly Baker Labour

Emma Best Conservative

Andrew Boff Conservative

Hina Bokhari Liberal Democrat

Zoë Garbett Green

Alessandro Georgiou Conservative

Susan Hall Conservative

Lord Bailey of Paddington Conservative

Zack Polanski Green

Caroline Russell Green

Alex Wilson Reform UK

Kensington and Chelsea Borough Council

London borough ward

Brompton & Hans Town

Councillors

Walaa Idris Conservative

Sof McVeigh Conservative

Mary Weale Conservative

Elected representative data is updated approximately monthly, so may not include recent by-elections or vacancies.

Government Statistical Services (GSS) data for SW3 1AX

Code	Name	Data Type	Data Theme	Active Since	Data Owner
E00014083		Output Areas	Statistical Building Block	1 January 2009	ONS
E01002818	Kensington and Chelsea 012A	Lower layer Super Output Areas	Statistical Building Block	1 February 2004	ONS
E02000588	Kensington and Chelsea 012	Middle layer Super Output Areas	Statistical Building Block	1 August 2004	ONS
E05009389	Brompton & Hans Town	Electoral Wards/Divisions	Administrative/Electoral	22 May 2014	DLUHC
E09000020	Kensington and Chelsea	London Boroughs	Administrative	1 January 2009	DLUHC
E12000007	London	Regions	Administrative	1 January 2009	DLUHC
E14001310	Kensington and Bayswater	Westminster Parliamentary Constituencies	Electoral	4 July 2024	LGBC
E23000001	Metropolitan Police	Police Force Areas	Other	1 January 2009	Home Office
E30000234	London	Travel to Work Areas	Other	31 July 2015	ONS
E32000014	West Central	London Assembly Constituencies	Electoral	6 May 2010	Greater London Authority
E33030237		Workplace Zones	Census	31 December 2011	ONS
E37000051	London	Local Enterprise Partnerships	Other	1 April 2020	BEIS
E38000256	NHS North West London ICB - W2U3Z	Sub Integrated Care Board Locations	Health	1 July 2022	ODS
E40000003	London	NHS England Regions	Health	1 April 2013	ODS
E43000210	Kensington and Chelsea, unparished area	Non-Civil Parished Areas	Census	31 December 2011	ONS
E54000027	North West London Health and Care Partnership	Integrated Care Boards	Health	1 April 2019	NHS
E56000021	North West and South West London	Cancer Alliances	Health	1 July 2019	NHS England
E61000001	Greater London Authority	Greater London Authority	Administrative	3 July 2000	ONS
E63012062	Kensington and Chelsea	Built Up Areas	Census	17 April 2024	OS
E65000001	England Non-National Park Area	England Non-National Park Area	Census	27 February 2023	ONS
E92000001	England	Country	Administrative	1 January 2009	ONS

The UK Postcode Database