Use this guide to understand SA1 8DU in Wales. Start with the interactive location and approximate postcode outline, then browse the available facts and local-area indicators. Labels show which figures relate to the exact postcode and which cover a larger geography. Census 2021 records 78 residents and 30 households at the exact postcode.
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Create a Custom MapCore details from the ONS Postcode Directory. Geography codes identify the official areas containing this postcode.
| Postcode | SA1 8DU |
| Postcode without spaces | SA18DU |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | January 1980 |
| Directory version | 2026-06 |
| Latitude | 51.6274400 |
| Longitude | -3.9319380 |
| British National Grid | 266,373 E, 193,837 N |
| Country | Wales |
| Output Area (2021) | W00004538 |
| LSOA (2021) | W01000851 |
| MSOA (2021) | W02000188 |
| Electoral ward | W05001065 |
| Westminster constituency | W07000103 |
The postcode is assigned to these official political geographies. Names and election results will be added when the ElectionMaps datasets are connected.
These Census figures are matched directly to the full postcode, rather than inferred from a wider neighbourhood.
| Residents | 78 |
| Households | 30 |
| Female residents | 35 |
| Male residents | 43 |
| Residents per household | 2.6 |
A detailed vector map covering a 500 metre radius around the postcode.
Land Registry Price Paid Data transactions matched to this exact full postcode.
| Sale date | Address | Property type | Tenure | Price |
|---|---|---|---|---|
| 14 Nov 2025 | 18, GLENROY AVENUE, ST THOMAS, SWANSEA | Semi-detached | Freehold | £142,000 |
| 3 Feb 2025 | 36, GLENROY AVENUE, ST THOMAS, SWANSEA | Semi-detached | Freehold | £140,000 |
| 25 Nov 2024 | 15, GLENROY AVENUE, ST THOMAS, SWANSEA | Semi-detached | Freehold | £190,000 |
| 4 Feb 2021 | 40, GLENROY AVENUE, ST THOMAS, SWANSEA | Semi-detached | Freehold | £110,000 |
Open schools and active GP practices in the SA1 postcode district, ordered by straight-line distance where coordinates are available.
Welsh establishment
Grenfell Park Road, St Thoma's, Swansea, SA1 8EY
B
COMMUNITY HEALTH CENTRE, 41 HIGH STREET, SWANSEA, SA1 1LT
B
BEACON CENTRE FOR HEALTH, LANGDON ROAD, SWANSEA, SA1 8QY
B
SCHOONER HOUSE, QUAY PARADE, SWANSEA, SA1 1SR
B
SA1 MEDICAL CENTRE, LANGDON ROAD, SWANSEA, SA1 8QY
Welsh establishment
Caepistyll Street, Greenhill, Swansea (Abertawe), SA1 2BE
B
CENTRAL CLINIC, 21 ORCHARD STREET, SWANSEA, SA1 5AT
Welsh establishment
Odo Street, Hafod, Swansea, SA1 2LT
B
37 THE KINGSWAY, SWANSEA, SA1 5LF
Welsh establishment
Lion Street, Waun Wen, Swansea, SA1 2BZ
B
YSGOL STREET, PORT TENNANT, SWANSEA, SA1 8LH
Welsh establishment
Ysgol Street, Port Tennant, Swansea, SA1 8LE
Companies House records whose registered-office address uses this exact postcode.
Private Limited Company
Incorporated 2 December 2025
68209 - Other letting and operating of own or leased real estate
Private Limited Company
Incorporated 3 September 2025
68100 - Buying and selling of own real estate
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Swansea 021C includes SA1 8DU and other nearby postcodes.
| Crime type | Incidents |
|---|---|
| Violence and sexual offences | 3 |
Answers use the geographic scope stated with each dataset above.
SA1 8DU is in Wales.
The Census 2021 postcode-level dataset records 78 residents at SA1 8DU. This is an exact postcode count.
Yes. The sold-price records shown on this page are Land Registry transactions matched to the full SA1 8DU postcode.
Vector Maps supplies editable UK postcode area, district and sector map files. For a vector or printed map focused on the full SA1 8DU postcode and its approximate address-derived outline, request a custom map.
Explore other full postcodes in the same postcode sector.