Electoral ward
Castle
Y Castell
W05001041
This page groups current postcode coverage with source-backed Census, recorded sale and school counts. It is an official area summary, not a boundary or service-eligibility check.
Area summary
- Active postcodes
- 475
- Postcode districts
- 2
- Five-year recorded sales
- 1,079
- Open schools at matching postcodes
- 6
- Census 2021 residents
- 13,121
- Census 2021 households
- 6,282
- Mean postcode coordinate
- 51.62232, -3.94727
Quality-approved postcode districts
Related official areas
- Local authority districtSwanseaW06000011 · 475 postcodes
- Lower layer super output areaSwansea 025FW01001955 · 149 postcodes
- Lower layer super output areaSwansea 025BW01000745 · 123 postcodes
- Lower layer super output areaSwansea 025CW01000746 · 39 postcodes
- Lower layer super output areaSwansea 016BW01000744 · 38 postcodes
- Lower layer super output areaSwansea 024AW01000747 · 36 postcodes
- Lower layer super output areaSwansea 016AW01000742 · 35 postcodes
- Lower layer super output areaSwansea 026AW01000749 · 35 postcodes
- Lower layer super output areaSwansea 025IW01001997 · 20 postcodes
- Middle layer super output areaSwansea 025W02000192 · 331 postcodes
- Middle layer super output areaSwansea 016W02000183 · 73 postcodes
- Middle layer super output areaSwansea 024W02000191 · 36 postcodes
- Middle layer super output areaSwansea 026W02000193 · 35 postcodes
- Westminster parliamentary constituencySwansea WestW07000108 · 475 postcodes
Source and limitations
Source: Office for National Statistics licensed under the Open Government Licence v.3.0.. Coverage: United Kingdom; Northern Ireland excluded pending rights review; Crown Dependencies outside product scope.
Names come from ONS Postcode Directory, release 2026-08, file Documents/WD Ward names and codes UK as at 05_26.csv, publisher date 1 Sept 2026.
OGL-3.0 with third-party rights. Counts reflect active postcodes in the current CheckNear.me publication and may differ from administrative service records.