The UK Postcode Database

SA3 4BY

a postcode in Swansea

Introduced in January 1980
SA3 4BY 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 4BY

Newton Road - 23 properties, USRN 39101738

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

Coordinates

Latitude: 51.5781 / 51°34'41"N

Longitude: -3.9996 / 3°59'58"W

UTM Reference: 30U 430732 5714590

OS Easting: 261538

OS Northing: 188477

OS Grid: SS615884

Location Encoding

Mapcode Local: GBR GX.FH3M

Mapcode Global: VH4KG.MLDL

Open Location Code: 9C3RH2H2+64

Maidenhead Locator System: IO81an08

Demographics

Urban/Rural Indicator: C1

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

ONS Population Classification: 6c1

  • Baseline UK
  • Multicultural Inner Suburbs
  • Transient Communities

Index of Multiple Deprivation (IMD): 1719 / 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 4BY on Thursday 9 July 2026

Nautical twilight begins (First light) 03:15
Civil twilight begins (Dawn) 04:23
Sunrise 05:09
Transit (sun is at its highest) 13:21
Sunset 21:32
Civil twilight ends (Dusk) 22:18
Nautical twilight ends (Nightfall) 23:27
Hours of daylight today04:39 to 22:02
Hours of darkness tonight
(lighting-up time)
22:02 to 04:40
Moon Phase Waning Crescent
Moon Sets 15:36

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

Residential Property Sales in SA3 4BY

DateAddressProperty TypeTenurePrice
20 June 2023 432 Mumbles Road, Mumbles, Swansea SA3 4BY Terraced (including end-of-terrace) Freehold £185,000
24 November 2021 444 Mumbles Road, Mumbles, Swansea SA3 4BY Terraced (including end-of-terrace) Freehold £455,000
30 June 2021 450 Mumbles Road, Mumbles, Swansea SA3 4BY Terraced (including end-of-terrace) Freehold £410,000
8 April 2021 438 Mumbles Road, Mumbles, Swansea SA3 4BY Detached Freehold £480,000
12 March 2021 426 Mumbles Road, Mumbles, Swansea SA3 4BY Terraced (including end-of-terrace) Freehold £330,000
18 November 2019 446 Mumbles Road, Mumbles, Swansea SA3 4BY Terraced (including end-of-terrace) Freehold £174,000
23 October 2017 452 Mumbles Road, Mumbles, Swansea SA3 4BY Terraced (including end-of-terrace) Freehold £355,000
18 August 2017 420 Mumbles Road, Mumbles, Swansea SA3 4BY Detached Freehold £320,000
8 July 2016 424 Mumbles Road, Mumbles, Swansea SA3 4BY Semi-detached Freehold £265,000
24 March 2016 430 Mumbles Road, Mumbles, Swansea SA3 4BY Terraced (including end-of-terrace) Freehold £250,000
12 October 2015 430 Mumbles Road, Mumbles, Swansea SA3 4BY Terraced (including end-of-terrace) Freehold £280,000
19 September 2014 444 Mumbles Road, Mumbles, Swansea SA3 4BY Terraced (including end-of-terrace) Freehold £310,000
24 January 2014 450 Mumbles Road, Mumbles, Swansea SA3 4BY Terraced (including end-of-terrace) Freehold £300,000
7 June 2013 422 Mumbles Road, Mumbles, Swansea SA3 4BY Semi-detached Freehold £222,000
7 December 2010 434 Mumbles Road, Mumbles, Swansea SA3 4BY Terraced (including end-of-terrace) Freehold £235,000
23 July 2010 436 Mumbles Road, Mumbles, Swansea SA3 4BY Terraced (including end-of-terrace) Freehold £342,500
12 November 2009 438 Mumbles Road, Mumbles, Swansea SA3 4BY Detached Freehold £340,000
17 August 2007 436 Mumbles Road, Mumbles, Swansea SA3 4BY Terraced (including end-of-terrace) Freehold £235,000
10 May 2006 434a Mumbles Road, Mumbles, Swansea SA3 4BY Terraced (including end-of-terrace) Freehold £155,000
7 April 2006 448 Mumbles Road, Mumbles, Swansea SA3 4BY Terraced (including end-of-terrace) Freehold £227,000
27 July 2005 448 Mumbles Road, Mumbles, Swansea SA3 4BY Terraced (including end-of-terrace) Freehold £140,000
16 August 2004 450 Mumbles Road, Mumbles, Swansea SA3 4BY Terraced (including end-of-terrace) Freehold £360,000
1 June 2004 430 Mumbles Road, Mumbles, Swansea SA3 4BY Terraced (including end-of-terrace) Freehold £210,000
4 October 2002 444 Mumbles Road, Mumbles, Swansea SA3 4BY Terraced (including end-of-terrace) Freehold £200,000
11 August 2000 430 Mumbles Road, Mumbles, Swansea SA3 4BY Terraced (including end-of-terrace) Freehold £83,500

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 4BY

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 4BY

CodeNameData TypeData ThemeActive SinceData Owner
W00004418 Output Areas Statistical Building Block 1 January 2009 ONS
W01000825 Swansea 031C 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)
W35000341 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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