The UK Postcode Database

SA3 4AA

a postcode in Swansea

Introduced in January 1980
SA3 4AA 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 4AA

Dunns Lane - 29 properties, USRN 39100742

Dunns Close - 1 property, USRN 39100741

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

Coordinates

Latitude: 51.5749 / 51°34'29"N

Longitude: -3.9996 / 3°59'58"W

UTM Reference: 30U 430727 5714231

OS Easting: 261528

OS Northing: 188119

OS Grid: SS615881

Location Encoding

Mapcode Local: GBR GX.FP3M

Mapcode Global: VH4KG.MPD1

Open Location Code: 9C3RH2F2+X4

Maidenhead Locator System: IO81an07

Demographics

Urban/Rural Indicator: C1

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

ONS Population Classification: 2a3

  • Suburbanites and Peri-Urbanites
  • Inner Suburbs and Small Town Living
  • Terraced 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 4AA on Friday 5 June 2026

Nautical twilight begins (First light) 03:04
Civil twilight begins (Dawn) 04:14
Sunrise 05:01
Transit (sun is at its highest) 13:14
Sunset 21:27
Civil twilight ends (Dusk) 22:14
Nautical twilight ends (Nightfall) 23:24
Hours of daylight today04:31 to 21:57
Hours of darkness tonight
(lighting-up time)
21:57 to 04:30
Moon Phase Waning Gibbous
Moon Sets 08:26

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

Residential Property Sales in SA3 4AA

DateAddressProperty TypeTenurePrice
1 September 2023 13 Dunns Lane, Mumbles, Swansea SA3 4AA Semi-detached Freehold £285,000
22 September 2022 8 Dunns Lane, Mumbles, Swansea SA3 4AA Terraced (including end-of-terrace) Freehold £300,000
30 June 2022 15 Dunns Lane, Mumbles, Swansea SA3 4AA Semi-detached Freehold £276,000
13 December 2021 17 Dunns Lane, Mumbles, Swansea SA3 4AA Terraced (including end-of-terrace) Freehold £325,000
1 August 2019 24 Dunns Lane, Mumbles, Swansea SA3 4AA Terraced (including end-of-terrace) Freehold £275,000
1 March 2018 25 Dunns Lane, Mumbles, Swansea SA3 4AA Terraced (including end-of-terrace) Freehold £250,000
27 October 2017 21 Dunns Lane, Mumbles, Swansea SA3 4AA Terraced (including end-of-terrace) Freehold £232,500
11 September 2017 14 Dunns Lane, Mumbles, Swansea SA3 4AA Terraced (including end-of-terrace) Freehold £250,000
5 January 2016 21 Dunns Lane, Mumbles, Swansea SA3 4AA Terraced (including end-of-terrace) Freehold £165,000
3 September 2014 6 Dunns Lane, Mumbles, Swansea SA3 4AA Semi-detached Freehold £350,000
18 July 2014 4 Dunns Lane, Mumbles, Swansea SA3 4AA Terraced (including end-of-terrace) Freehold £162,500
10 March 2011 25 Dunns Lane, Mumbles, Swansea SA3 4AA Terraced (including end-of-terrace) Freehold £150,000
8 September 2010 17 Dunns Lane, Mumbles, Swansea SA3 4AA Terraced (including end-of-terrace) Freehold £160,000
12 January 2010 6 Dunns Lane, Mumbles, Swansea SA3 4AA Semi-detached Freehold £310,000
30 September 2009 22 Dunns Lane, Mumbles, Swansea SA3 4AA Terraced (including end-of-terrace) Freehold £235,000
23 January 2009 16 Dunns Lane, Mumbles, Swansea SA3 4AA Terraced (including end-of-terrace) Freehold £160,000
16 October 2008 4 Dunns Lane, Mumbles, Swansea SA3 4AA Flat/apartment Leasehold £157,000
22 February 2005 2 Dunns Lane, Mumbles, Swansea SA3 4AA Detached Freehold £225,000
11 August 2004 4 Dunns Lane, Mumbles, Swansea SA3 4AA Terraced (including end-of-terrace) Freehold £113,398
11 August 2004 4 Dunns Lane, Mumbles, Swansea SA3 4AA Flat/apartment Leasehold £57,000
21 May 2004 12 Dunns Lane, Mumbles, Swansea SA3 4AA Detached Freehold £195,000
10 October 2003 28 Dunns Lane, Mumbles, Swansea SA3 4AA Terraced (including end-of-terrace) Freehold £142,000
3 August 2001 22 Dunns Lane, Mumbles, Swansea SA3 4AA Terraced (including end-of-terrace) Freehold £105,000
15 June 2001 12 Dunns Lane, Mumbles, Swansea SA3 4AA Detached Freehold £115,000
16 March 2001 22 Dunns Lane, Mumbles, Swansea SA3 4AA Terraced (including end-of-terrace) Freehold £40,000
2 December 1999 12 Dunns Lane, Mumbles, Swansea SA3 4AA Detached Freehold £80,000
17 September 1999 20 Dunns Lane, Mumbles, Swansea SA3 4AA Terraced (including end-of-terrace) Freehold £75,000
17 February 1999 25 Dunns Lane, Mumbles, Swansea SA3 4AA Terraced (including end-of-terrace) Freehold £45,000
15 April 1998 23 Dunns Lane, Mumbles, Swansea SA3 4AA Terraced (including end-of-terrace) Freehold £64,000
18 August 1997 24 Dunns Lane, Mumbles, Swansea SA3 4AA Terraced (including end-of-terrace) Freehold £67,000
2 May 1997 4 Dunns Lane, Mumbles, Swansea SA3 4AA Terraced (including end-of-terrace) Freehold £84,000

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 4AA

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 4AA

CodeNameData TypeData ThemeActive SinceData Owner
W00004426 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)
W35001784 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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