The UK Postcode Database

SA3 4BH

a postcode in Swansea

Introduced in January 1980
SA3 4BH 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 SA3 4BH

Castle Street - 22 properties, USRN 39100423

Castle Square - 1 property, USRN 39100421

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

Coordinates

Latitude: 51.5759 / 51°34'33"N

Longitude: -4.0033 / 4°0'11"W

UTM Reference: 30U 430478 5714344

OS Easting: 261280

OS Northing: 188235

OS Grid: SS612882

Location Encoding

Mapcode Local: GBR GX.FN4D

Mapcode Global: VH4KG.KNH9

Open Location Code: 9C3QHXGW+8M

Maidenhead Locator System: IO71xn98

Demographics

Urban/Rural Indicator: C1

  • urban city or town
  • a town or city, surrounded by populated countryside

ONS Population Classification: 2c2

  • Suburbanites and Peri-Urbanites
  • Ageing Communities
  • Ageing Independent Living

Index of Multiple Deprivation (IMD): 1826 / 1909

  • 10th decile
  • least deprived

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

Sun and Moon Times for SA3 4BH on Saturday 11 July 2026

Nautical twilight begins (First light) 03:18
Civil twilight begins (Dawn) 04:26
Sunrise 05:11
Transit (sun is at its highest) 13:21
Sunset 21:31
Civil twilight ends (Dusk) 22:16
Nautical twilight ends (Nightfall) 23:24
Hours of daylight today04:41 to 22:01
Hours of darkness tonight
(lighting-up time)
22:01 to 04:42
Moon Phase Waning Crescent
Moon Rises 00:32
Moon sets 18:29

For a full sun and moon calendar for SA3 4BH, go to The Time and Place

Residential Property Sales in SA3 4BH

DateAddressProperty TypeTenurePrice
27 September 2023 11 Castle Street, Mumbles, Swansea SA3 4BH Terraced (including end-of-terrace) Freehold £325,000
13 September 2022 2 Castle Street, Mumbles, Swansea SA3 4BH Terraced (including end-of-terrace) Freehold £341,000
26 March 2021 21 Castle Street, Mumbles, Swansea SA3 4BH Terraced (including end-of-terrace) Freehold £274,000
29 October 2019 15 Castle Street, Mumbles, Swansea SA3 4BH Terraced (including end-of-terrace) Freehold £235,000
21 December 2017 13 Castle Street, Mumbles, Swansea SA3 4BH Terraced (including end-of-terrace) Freehold £112,500
28 November 2017 3 Castle Street, Mumbles, Swansea SA3 4BH Terraced (including end-of-terrace) Freehold £245,000
14 October 2016 8 Castle Street, Mumbles, Swansea SA3 4BH Terraced (including end-of-terrace) Freehold £200,000
23 January 2015 12 Castle Street, Mumbles, Swansea SA3 4BH Terraced (including end-of-terrace) Freehold £110,000
17 August 2012 21 Castle Street, Mumbles, Swansea SA3 4BH Terraced (including end-of-terrace) Freehold £187,500
26 January 2012 12 Castle Street, Mumbles, Swansea SA3 4BH Terraced (including end-of-terrace) Leasehold £175,000
21 October 2011 9 Castle Street, Mumbles, Swansea SA3 4BH Terraced (including end-of-terrace) Freehold £185,000
19 March 2010 8 Castle Street, Mumbles, Swansea SA3 4BH Terraced (including end-of-terrace) Freehold £195,000
31 August 2007 6 Castle Street, Mumbles, Swansea SA3 4BH Terraced (including end-of-terrace) Freehold £190,000
24 June 2005 21 Castle Street, Mumbles, Swansea SA3 4BH Terraced (including end-of-terrace) Freehold £176,500
11 November 2003 8 Castle Street, Mumbles, Swansea SA3 4BH Terraced (including end-of-terrace) Freehold £160,000
1 July 2003 18 Castle Street, Mumbles, Swansea SA3 4BH Terraced (including end-of-terrace) Freehold £128,000
18 April 2001 4 Castle Street, Mumbles, Swansea SA3 4BH Terraced (including end-of-terrace) Freehold £88,000
20 December 2000 9 Castle Street, Mumbles, Swansea SA3 4BH Terraced (including end-of-terrace) Freehold £97,000
29 June 2000 1 Castle Street, Mumbles, Swansea SA3 4BH Terraced (including end-of-terrace) Freehold £77,950
26 May 2000 9 Castle Street, Mumbles, Swansea SA3 4BH Terraced (including end-of-terrace) Freehold £92,000
31 January 2000 16 Castle Street, Mumbles, Swansea SA3 4BH Terraced (including end-of-terrace) Freehold £77,500
10 December 1999 14 Castle Street, Mumbles, Swansea SA3 4BH Terraced (including end-of-terrace) Freehold £75,000
10 September 1999 3 Castle Street, Mumbles, Swansea SA3 4BH Terraced (including end-of-terrace) Freehold £75,500
27 July 1999 10 Castle Street, Mumbles, Swansea SA3 4BH Terraced (including end-of-terrace) Freehold £55,000
16 April 1999 6 Castle Street, Mumbles, Swansea SA3 4BH Terraced (including end-of-terrace) Freehold £62,500
15 February 1999 4 Castle Street, Mumbles, Swansea SA3 4BH Terraced (including end-of-terrace) Freehold £59,995
1 July 1998 3 Castle Street, Mumbles, Swansea SA3 4BH Terraced (including end-of-terrace) Freehold £42,000
27 June 1997 7 Castle Street, Mumbles, Swansea SA3 4BH Terraced (including end-of-terrace) Freehold £52,000
23 December 1996 21 Castle Street, Mumbles, Swansea SA3 4BH Terraced (including end-of-terrace) Freehold £49,500
17 October 1996 16 Castle Street, Mumbles, Swansea SA3 4BH Terraced (including end-of-terrace) Freehold £57,000

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 SA3 4BH

United Kingdom Parliament
Constituency

Gower

MP

Tonia Antoniazzi Labour

Senedd
Constituency

Gower

Senedd Member

Rebecca Evans Welsh Labour

Region

South Wales West

Senedd Members

Luke Fletcher Plaid Cymru

Tom Giffard Welsh Conservative Party

Altaf Hussain Welsh Conservative Party

Sioned Williams Plaid Cymru

Swansea Council
Unitary Authority electoral division (UTE)

Mumbles

Councillors

Francesca O'Brien Conservative

Angela O'Connor Conservative

Will Thomas Conservative

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

Government Statistical Services (GSS) data for SA3 4BH

CodeNameData TypeData ThemeActive SinceData Owner
W00004425 Output Areas Statistical Building Block 1 January 2009 ONS
W01000827 Swansea 031E Lower layer Super Output Areas Statistical Building Block 1 February 2004 ONS
W02000198 Swansea 031 Middle layer Super Output Areas Statistical Building Block 1 August 2004 ONS
W04000583 Mumbles Communities Administrative 1 January 2009 WG (LGBC)
W05001056 Mumbles Electoral Wards Administrative/Electoral 5 May 2022 WG (LGBC)
W06000011 Swansea Unitary Authorities Administrative 1 January 2009 WG (LGBC)
W07000097 Gower Westminster Parliamentary Constituencies Electoral 4 July 2024 WG (BC)
W09000018 Gower Senedd Constituencies Electoral 1 January 2009 WG (BC)
W10000009 South Wales West Senedd Electoral Regions Electoral 1 January 2012 WG (BC)
W11000031 Swansea Bay University Health Board Local Health Boards Health 1 April 2019 WG (Health)
W15000003 South Wales Police Force Areas Other 1 January 2009 Home Office
W16000002 South West / Mid Wales Department for Children, Education, Lifelong Learning and Skills, WG Other 1 January 2009 WG (Educ)
W22000032 Swansea Travel to Work Areas Other 31 July 2015 ONS
W31000001 Wales Non-National Park Area Wales Non-National Park Area Other 1 January 2009 WG (Envt)
W35001783 Workplace Zones Census 31 December 2011 ONS
W45001113 Swansea Built Up Areas Census 17 April 2024 OS
W92000004 Wales Country Administrative 1 January 2009 ONS

All public sector data is licensed under the Open Government Licence v2.0.

The UK Postcode Database is a Good Stuff website.

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