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Where Is SA1 3JX? Postcode Map and Facts

Find SA1 3JX in Wales and explore the information recorded for it. The interactive map shows the postcode’s position and an approximate address-derived outline, with exact-postcode facts and wider neighbourhood statistics clearly identified below. Census 2021 records 73 residents and 32 households at the exact postcode.

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Residents73Exact postcode · Census 2021
Households32Exact postcode · Census 2021
Average sold price£146,82711 exact-postcode transactions
Registered companies5Exact registered-office postcode

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Custom maps of SA1 3JX

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SA1 3JX Postcode Facts

Core details from the ONS Postcode Directory. Geography codes identify the official areas containing this postcode.

Exact postcode record

Postcode details

PostcodeSA1 3JX
Postcode without spacesSA13JX
StatusActive postcode
User typeSmall user postcode
IntroducedJanuary 1980
Directory version2026-06
Latitude51.6167700
Longitude-3.9526760
British National Grid264,906 E, 192,689 N

Containing official geographies

CountryWales
Output Area (2021)W00003982
LSOA (2021)W01000745
MSOA (2021)W02000192
Electoral wardW05001041
Westminster constituencyW07000108
The red outline is an approximate convex hull generated from geocoded property locations and offset outwards by about 25 metres; it is not an official postcode boundary.

Ward and Constituency

The postcode is assigned to these official political geographies. Names and election results will be added when the ElectionMaps datasets are connected.

Containing areas

Electoral Ward

W05001041View Ward Map

Westminster Constituency

W07000108View Constituency Map

SA1 3JX Population and Households

These Census figures are matched directly to the full postcode, rather than inferred from a wider neighbourhood.

Exact postcode · Census 2021
Residents73
Households32
Female residents38
Male residents35
Residents per household2.3
Counts are from the postcode-level Census population and household datasets. They apply to the exact postcode. Detailed local demographic profiles will be labelled separately when Output Area data is added.

SA1 3JX Vector Map

A detailed vector map covering a 500 metre radius around the postcode.

500 metre radius
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Sold Property Prices in SA1 3JX

Land Registry Price Paid Data transactions matched to this exact full postcode.

Exact postcode · 11 sales
Average price£146,827Across all matched transactions
Lowest price£65,000Since 2020
Highest price£221,000Exact-postcode record
Latest sale4 Jun 2025Most recent supplied transaction
Sale dateAddressProperty typeTenurePrice
4 Jun 202531, WESTERN STREET, SWANSEATerracedFreehold£175,000
28 Apr 202535, WESTERN STREET, SWANSEATerracedFreehold£190,000
10 Mar 202543, WESTERN STREET, SWANSEATerracedFreehold£221,000
31 Jan 202538, WESTERN STREET, SWANSEATerracedFreehold£95,000
15 Jan 202437, WESTERN STREET, SWANSEATerracedFreehold£148,600
1 Dec 202320, WESTERN STREET, SWANSEATerracedFreehold£150,000
26 Oct 2023117, WESTERN STREET, SWANSEATerracedFreehold£150,000
17 May 202336, WESTERN STREET, SWANSEATerracedFreehold£127,500
1 Dec 2022119, WESTERN STREET, SWANSEATerracedFreehold£148,000
23 Jul 2021131A, WESTERN STREET, SWANSEATerracedFreehold£65,000
15 Dec 2020126, WESTERN STREET, SWANSEATerracedFreehold£145,000
Sold prices are completed transactions in the supplied Land Registry dataset. They are not current valuations or asking prices.

Schools and GP Practices Near SA1 3JX

Open schools and active GP practices in the SA1 postcode district, ordered by straight-line distance where coordinates are available.

SA1 postcode district
GP practice · 0.2 km

ABERTAWE MEDICAL PARTNERS

B

151 ST. HELENS ROAD, SWANSEA, SA1 4DF

01792 476576

School · 0.2 km

St Helen's Primary School

Welsh establishment

Vincent Street, Swansea, SA1 3TY

01792655763

GP practice · 0.3 km

BRUNSWICK HEALTH CENTRE

B

PHILLIPS PARADE, SWANSEA, SA1 4JL

01792 643001

GP practice · 0.3 km

HMP SWANSEA

B

200 OYSTERMOUTH ROAD, SWANSEA, SA1 3SR

01792 485300

GP practice · 0.3 km

NICHOLL STREET MEDICAL CENTRE

B

NICHOLL ST MEDICAL CENTR, 33 NICHOLL STREET, SWANSEA, SA1 4HF

01792 653548

GP practice · 0.3 km

PSALT SURGERY

B

YMCA, 1 THE KINGSWAY, SWANSEA, SA1 5JQ

01792 475595

GP practice · 0.3 km

TREATMENT CENTRE

B

RUSSELL STREET, SWANSEA, SA1 4HR

01792 371050

School · 0.3 km

Christchurch (C.I.W.) Voluntary Aided Primary School

Welsh establishment

Rodney Street, Swansea, SA1 3UA

01792510900

School · 0.5 km

Swansea Sixth Form College

Welsh establishment

18 Mansel St, Swansea, Swansea (Abertawe), SA1 5SG

School · 0.6 km

Ffynone House School Trust

Welsh establishment

36 St James's Crescent, Uplands, Swansea, SA1 6DR

01792464967

GP practice · 0.7 km

KINGSWAY SURGERY

B

37 THE KINGSWAY, SWANSEA, SA1 5LF

01792 650716

School · 0.8 km

Terrace Road Primary School

Welsh establishment

Terrace Road, Mount Pleasant, Swansea, SA1 6JD

01792654257

The search is currently limited to records whose own postcode begins with SA1. Distances are approximate straight-line distances, not travel distances.

Companies Registered at SA1 3JX

Companies House records whose registered-office address uses this exact postcode.

Exact registered postcode
Registered companies5All supplied statuses
Active companies5Companies House status
Active · 16786066

R.N.REON LIMITED

Private Limited Company

Incorporated 15 October 2025

47110 - Retail sale in non-specialised stores with food, beverages or tobacco predominating

Companies House record

Active · 16566392

BLACK IRON ENERGY LTD

Private Limited Company

Incorporated 8 July 2025

19201 - Mineral oil refining

Companies House record

Active · 15645324

ICS CAPITAL LTD

Private Limited Company

Incorporated 14 April 2024

68100 - Buying and selling of own real estate

Companies House record

Active · 15372090

SBR INTERNATIONAL LTD

Private Limited Company

Incorporated 28 December 2023

47530 - Retail sale of carpets, rugs, wall and floor coverings in specialised stores

Companies House record

Active · 07353146

COLE BUILDERS (SWANSEA) LIMITED

Private Limited Company

Incorporated 23 August 2010

99999 - Dormant Company

Companies House record

A registered office can be an accountant, agent or correspondence address. A company listed here does not necessarily trade from this postcode.

Crime in the Local LSOA

Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.

Containing LSOA · W01000745

100 recorded incidents

Swansea 025B includes SA1 3JX and other nearby postcodes.

Crime typeIncidents
Violence and sexual offences22
Drugs15
Anti-social behaviour14
Public order11
Shoplifting9
Criminal damage and arson8
Other theft8
Robbery4
Bicycle theft3
Burglary2
Vehicle crime2
Other crime1
Possession of weapons1
Crime figures apply to the whole Swansea 025B LSOA, not only to SA1 3JX. Locations may be anonymised by the source.

SA1 3JX Questions

Answers use the geographic scope stated with each dataset above.

Where is the SA1 3JX postcode?

SA1 3JX is in Wales.

How many people live in SA1 3JX?

The Census 2021 postcode-level dataset records 73 residents at SA1 3JX. This is an exact postcode count.

Are the property prices for the exact postcode?

Yes. The sold-price records shown on this page are Land Registry transactions matched to the full SA1 3JX postcode.

Can I buy a vector map of SA1 3JX?

Vector Maps supplies editable UK postcode area, district and sector map files. For a vector or printed map focused on the full SA1 3JX postcode and its approximate address-derived outline, request a custom map.

Other Postcodes in SA1 3

Explore other full postcodes in the same postcode sector.

Postcode sector