Brecon and Radnorshire Boundary Change Map
Compare the former Brecon and Radnorshire boundary with Brecon, Radnor and Cwm Tawe from July 2024. Buy a vector comparison map for £20, prepared and sent by email, or order a printed map.
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Dashed line: former Brecon and Radnorshire. Solid line: Brecon, Radnor and Cwm Tawe from 4 July 2024.
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2019 and 2024 boundary comparison
What changed in 2024?
The constituency gained area in the 2024 boundary change. Its successor is Brecon, Radnor and Cwm Tawe. The map compares the old area with its closest successor, Brecon, Radnor and Cwm Tawe.
| Former constituency | Brecon and Radnorshire (W07000068) |
| Closest successor | Brecon, Radnor and Cwm Tawe (W07000085) |
| New boundaries in use | 4 July 2024 |
| Old premises retained in this successor | 100.0% |
<0.1% of the old constituency’s residential premises moved to other constituencies.
About the comparison map
The colours show land retained, removed and added when this former constituency is compared with its closest successor.
The tables show every linked constituency. Their percentages measure residential premises, not votes, electors or land area.
The preview uses 20-metre generalised boundaries. Small differences along an edge can reflect mapping detail.
View sources and datesWhere did the old area go?
Share of residential premises in the former Brecon and Radnorshire constituency.
| Constituency from July 2024 | Share | Map |
|---|---|---|
| Brecon, Radnor and Cwm Tawe (closest successor) | 100.0% | View map |
| Merthyr Tydfil and Aberdare | <0.1% | View map |
Rounded values may not add up to exactly 100%.
Where did Brecon, Radnor and Cwm Tawe come from?
Share of residential premises in the successor constituency.
| Former constituency | Share | Comparison |
|---|---|---|
| Brecon and Radnorshire | 77.3% | This comparison |
| Neath | 22.7% | Compare |
Sources and dates
Comparison figures: House of Commons Library, workbook dated 2023-07-13. Constituency changes took effect at the 2024 general election. Ward memberships use 2023 boundaries.
Map outlines: ONS December 2022 (W07000068) and July 2024 (W07000085), 20-metre generalised boundaries. The map differences and premises figures are separate calculations. Boundary sources and method.
Source: Office for National Statistics licensed under the Open Government Licence v3.0. Contains OS data © Crown copyright and database right 2022 and 2024.
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