Westminster parliamentary constituency
Newport West and Islwyn
Gorllewin Casnewydd ac Islwyn
W07000105
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
- 2,432
- Postcode districts
- 6
- Five-year recorded sales
- 7,089
- Open schools at matching postcodes
- 41
- Census 2021 residents
- 101,664
- Census 2021 households
- 43,157
- Mean postcode coordinate
- 51.62179, -3.10119
Quality-approved postcode districts
Related official areas
- Local authority districtCaerphillyW06000018 · 1,349 postcodes
- Local authority districtNewportW06000022 · 1,083 postcodes
- Electoral wardAllt-yr-ynW05001627 · 244 postcodes
- Electoral wardTredegar Park and MarshfieldW05001646 · 242 postcodes
- Electoral wardBlackwoodW05001653 · 219 postcodes
- Electoral wardNewbridgeW05001667 · 187 postcodes
- Electoral wardCrumlinW05001656 · 180 postcodes
- Electoral wardGaerW05001633 · 172 postcodes
- Electoral wardPenmaenW05001668 · 148 postcodes
- Electoral wardAbercarnW05001650 · 138 postcodes
- Electoral wardRisca WestW05001672 · 136 postcodes
- Electoral wardGraigW05001634 · 135 postcodes
- Electoral wardRogerstone WestW05001642 · 134 postcodes
- Electoral wardRisca EastW05001671 · 106 postcodes
- Lower layer super output areaNewport 016DW01001671 · 75 postcodes
- Lower layer super output areaCaerphilly 009CW01001350 · 71 postcodes
- Lower layer super output areaCaerphilly 005BW01001335 · 66 postcodes
- Lower layer super output areaCaerphilly 014AW01001327 · 65 postcodes
- Lower layer super output areaCaerphilly 006BW01001357 · 64 postcodes
- Lower layer super output areaNewport 006AW01001601 · 61 postcodes
- Lower layer super output areaCaerphilly 009DW01001392 · 59 postcodes
- Lower layer super output areaCaerphilly 010CW01001382 · 59 postcodes
- Lower layer super output areaNewport 020FW01001913 · 58 postcodes
- Lower layer super output areaCaerphilly 017AW01001411 · 54 postcodes
- Lower layer super output areaNewport 016BW01001637 · 54 postcodes
- Lower layer super output areaCaerphilly 006DW01001359 · 51 postcodes
- Middle layer super output areaCaerphilly 006W02000295 · 269 postcodes
- Middle layer super output areaNewport 020W02000366 · 212 postcodes
- Middle layer super output areaNewport 009W02000355 · 193 postcodes
- Middle layer super output areaNewport 016W02000362 · 190 postcodes
- Middle layer super output areaCaerphilly 005W02000294 · 187 postcodes
- Middle layer super output areaCaerphilly 009W02000298 · 187 postcodes
- Middle layer super output areaCaerphilly 010W02000299 · 187 postcodes
- Middle layer super output areaCaerphilly 014W02000303 · 174 postcodes
- Middle layer super output areaNewport 012W02000358 · 160 postcodes
- Middle layer super output areaCaerphilly 017W02000306 · 136 postcodes
- Middle layer super output areaNewport 017W02000363 · 128 postcodes
- Middle layer super output areaNewport 019W02000365 · 116 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.