Harrow West Boundary Change Map
Compare the former Harrow West boundary with Harrow West 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 Harrow West. Solid line: Harrow West from 4 July 2024.
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2019 and 2024 boundary comparison
What changed in 2024?
The constituency boundary changed in 2024. The map compares the old area with its closest successor, Harrow West.
| Former constituency | Harrow West (E14000732) |
| Closest successor | Harrow West (E14001271) |
| New boundaries in use | 4 July 2024 |
| Old premises retained in this successor | 94.9% |
5.1% 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 Harrow West constituency.
| Constituency from July 2024 | Share | Map |
|---|---|---|
| Harrow West (closest successor) | 94.9% | View map |
| Ruislip, Northwood and Pinner | 4.9% | View map |
| Harrow East | 0.2% | View map |
Rounded values may not add up to exactly 100%.
Where did Harrow West come from?
Share of residential premises in the successor constituency.
| Former constituency | Share | Comparison |
|---|---|---|
| Harrow West | 91.6% | This comparison |
| Harrow East | 8.4% | 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 (E14000732) and July 2024 (E14001271), 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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