{
  "canonical_url": "https://ukmwi.co.uk/changes/2024/westminster-constituencies",
  "identifier": "ukmwi:changeset:PCON:2024",
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  "instruments": [
    {
      "title": "The Parliamentary Constituencies Order 2023",
      "si_id": "1230/2023"
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          "name": "Mitcham and Morden"
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          "name": "Wimbledon"
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          "name": "Eastleigh"
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          "name": "Birkenhead"
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          "name": "Ellesmere Port and Bromborough"
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      ]
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          "name": "Surrey Heath"
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          "name": "Woking"
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          "name": "Earley and Woodley"
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          "name": "Reading West and Mid Berkshire"
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          "name": "Wokingham"
        }
      ]
    },
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      "predecessor_name": "Wolverhampton North East",
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        {
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          "name": "Wolverhampton North East"
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        {
          "code": "E14001596",
          "name": "Wolverhampton West"
        }
      ]
    },
    {
      "predecessor": "E14001050",
      "predecessor_name": "Wolverhampton South East",
      "successors": [
        {
          "code": "E14001547",
          "name": "Tipton and Wednesbury"
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        {
          "code": "E14001595",
          "name": "Wolverhampton South East"
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          "name": "Wolverhampton West"
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      ]
    },
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          "name": "Wolverhampton West"
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      ]
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          "name": "Worcester"
        }
      ]
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      "predecessor": "E14001053",
      "predecessor_name": "Workington",
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          "code": "E14001424",
          "name": "Penrith and Solway"
        },
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          "code": "E14001583",
          "name": "Whitehaven and Workington"
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      "predecessor_name": "Worsley and Eccles South",
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          "name": "Bolton South and Walkden"
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          "code": "E14001598",
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      "predecessor_name": "Worthing West",
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          "name": "Bognor Regis and Littlehampton"
        },
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          "code": "E14001599",
          "name": "Worthing West"
        }
      ]
    },
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      "predecessor_name": "Wrexham",
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        {
          "code": "W07000111",
          "name": "Wrexham"
        }
      ]
    },
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      "predecessor": "E14001056",
      "predecessor_name": "Wycombe",
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          "code": "E14001162",
          "name": "Chesham and Amersham"
        },
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          "name": "Wycombe"
        }
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      "predecessor_name": "Wyre and Preston North",
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          "name": "Fylde"
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          "name": "Lancaster and Wyre"
        },
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          "code": "E14001433",
          "name": "Preston"
        },
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          "name": "Ribble Valley"
        }
      ]
    },
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      "predecessor": "E14001058",
      "predecessor_name": "Wyre Forest",
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          "code": "E14001601",
          "name": "Wyre Forest"
        }
      ]
    },
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      "predecessor": "E14001059",
      "predecessor_name": "Wythenshawe and Sale East",
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          "name": "Wythenshawe and Sale East"
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      ]
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      "predecessor_name": "Yeovil",
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          "name": "Glastonbury and Somerton"
        },
        {
          "code": "E14001603",
          "name": "Yeovil"
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      "predecessor_name": "Ynys Môn",
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          "name": "Ynys Môn"
        }
      ]
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      "predecessor": "E14001061",
      "predecessor_name": "York Central",
      "successors": [
        {
          "code": "E14001604",
          "name": "York Central"
        },
        {
          "code": "E14001605",
          "name": "York Outer"
        }
      ]
    },
    {
      "predecessor": "E14001062",
      "predecessor_name": "York Outer",
      "successors": [
        {
          "code": "E14001604",
          "name": "York Central"
        },
        {
          "code": "E14001605",
          "name": "York Outer"
        }
      ]
    }
  ],
  "_meta": {
    "source": "Office for National Statistics, Code History Database",
    "source_url": "https://geoportal.statistics.gov.uk/",
    "dataset_version": "CHD-2026-06",
    "retrieved_at": "2026-09-07T07:14:12.834Z",
    "licence": "Open Government Licence v3.0",
    "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
    "attribution": "Source: Office for National Statistics licensed under the Open Government Licence v.3.0",
    "built_at": "2026-09-07T07:22:46.704Z"
  }
}