Westminster parliamentary constituency
Cardiff South and Penarth
De Caerdydd a Phenarth
W07000091
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
- 2,574
- Postcode districts
- 10
- Five-year recorded sales
- 8,436
- Open schools at matching postcodes
- 39
- Census 2021 residents
- 106,349
- Census 2021 households
- 42,975
- Mean postcode coordinate
- 51.46056, -3.18005
Quality-approved postcode districts
Related official areas
- Local authority districtCardiffW06000015 · 1,644 postcodes
- Local authority districtVale of GlamorganW06000014 · 930 postcodes
- Electoral wardCathaysW05001274 · 491 postcodes
- Electoral wardGrangetownW05001279 · 486 postcodes
- Electoral wardButetownW05001271 · 361 postcodes
- Electoral wardSplottW05001295 · 306 postcodes
- Electoral wardSt Augustine'sW05001399 · 214 postcodes
- Electoral wardDinas PowysW05001386 · 202 postcodes
- Electoral wardPlymouthW05001394 · 134 postcodes
- Electoral wardSullyW05001401 · 118 postcodes
- Electoral wardCornerswellW05001383 · 108 postcodes
- Electoral wardStanwellW05001400 · 98 postcodes
- Electoral wardLlandoughW05001390 · 56 postcodes
- Lower layer super output areaCardiff 032HW01002019 · 268 postcodes
- Lower layer super output areaCardiff 046AW01001759 · 159 postcodes
- Lower layer super output areaCardiff 048BW01001943 · 83 postcodes
- Lower layer super output areaCardiff 038DW01001874 · 75 postcodes
- Lower layer super output areaVale of Glamorgan 005CW01001124 · 63 postcodes
- Lower layer super output areaVale of Glamorgan 005AW01001116 · 58 postcodes
- Lower layer super output areaCardiff 049FW01001952 · 57 postcodes
- Lower layer super output areaVale of Glamorgan 004EW01001104 · 56 postcodes
- Lower layer super output areaVale of Glamorgan 008EW01001133 · 56 postcodes
- Lower layer super output areaCardiff 049BW01001942 · 53 postcodes
- Lower layer super output areaCardiff 048EW01001947 · 51 postcodes
- Lower layer super output areaVale of Glamorgan 005DW01001125 · 51 postcodes
- Middle layer super output areaCardiff 032W02000398 · 360 postcodes
- Middle layer super output areaVale of Glamorgan 005W02000241 · 306 postcodes
- Middle layer super output areaCardiff 049W02000423 · 241 postcodes
- Middle layer super output areaCardiff 046W02000412 · 239 postcodes
- Middle layer super output areaVale of Glamorgan 008W02000244 · 233 postcodes
- Middle layer super output areaCardiff 048W02000422 · 223 postcodes
- Middle layer super output areaVale of Glamorgan 006W02000242 · 202 postcodes
- Middle layer super output areaVale of Glamorgan 004W02000240 · 189 postcodes
- Middle layer super output areaCardiff 038W02000404 · 175 postcodes
- Middle layer super output areaCardiff 044W02000410 · 144 postcodes
- Middle layer super output areaCardiff 028W02000394 · 131 postcodes
- Middle layer super output areaCardiff 037W02000403 · 131 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/PCON Westminster Parliamentary Constituency names and codes UK as at 12_24.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.