Professional UK parliamentary constituency boundary mapping for print, digital publishing and campaign planning.
01751 473136 | admin@electionmaps.co.uk

UK Parliamentary Constituency and Ward Maps

UK constituency and ward boundary changes

Compare old and new constituency boundaries to see which areas moved, which seats changed their name, and where former constituencies were split. Search for a comparison map, or check council ward and division reviews below.

650

Former constituencies

585

With boundary changes

51

Council review records

2024 constituency comparisons

Each page compares a former constituency with its closest successor. It also lists every new constituency that received part of the old area.

650 comparisons.

Bury North

Closest successor: Bury North

England · Boundary changed

Bury South

Closest successor: Bury South

England · Boundary changed

Bury St Edmunds

Closest successor: Bury St Edmunds and Stowmarket

England · Boundary changed

Caerphilly

Closest successor: Caerphilly

Wales · Boundary changed

Calder Valley

Closest successor: Calder Valley

England · Boundary changed

Cambridge

Closest successor: Cambridge

England · Boundary changed

Cannock Chase

Closest successor: Cannock Chase

England · Boundary retained

Canterbury

Closest successor: Canterbury

England · Boundary changed

Cardiff North

Closest successor: Cardiff North

Wales · Boundary changed

Cardiff West

Closest successor: Cardiff West

Wales · Boundary changed

Carlisle

Closest successor: Carlisle

England · Boundary changed

Castle Point

Closest successor: Castle Point

England · Boundary changed

Central Ayrshire

Closest successor: Central Ayrshire

Scotland · Boundary retained

Central Devon

Closest successor: Central Devon

England · Boundary changed

Ceredigion

Closest successor: Ceredigion Preseli

Wales · Boundary changed

Charnwood

Closest successor: Mid Leicestershire

England · Boundary changed

Cheadle

Closest successor: Cheadle

England · Boundary retained

Chelmsford

Closest successor: Chelmsford

England · Boundary changed

Cheltenham

Closest successor: Cheltenham

England · Boundary changed

Chesterfield

Closest successor: Chesterfield

England · Boundary retained

Chichester

Closest successor: Chichester

England · Boundary changed

Chippenham

Closest successor: Chippenham

England · Boundary changed

Chipping Barnet

Closest successor: Chipping Barnet

England · Boundary changed

Chorley

Closest successor: Chorley

England · Boundary changed

Christchurch

Closest successor: Christchurch

England · Boundary changed

City of Chester

Closest successor: Chester North and Neston

England · Boundary changed

City of Durham

Closest successor: City of Durham

England · Boundary changed

Clacton

Closest successor: Clacton

England · Boundary changed

Cleethorpes

Closest successor: Brigg and Immingham

England · Boundary changed

Clwyd South

Closest successor: Montgomeryshire and Glyndwr

Wales · Boundary changed

Clwyd West

Closest successor: Clwyd North

Wales · Boundary changed

Colchester

Closest successor: Colchester

England · Boundary changed

Colne Valley

Closest successor: Colne Valley

England · Boundary changed

Congleton

Closest successor: Congleton

England · Boundary changed

Copeland

Closest successor: Whitehaven and Workington

England · Boundary changed

Corby

Closest successor: Corby and East Northamptonshire

England · Boundary changed

Coventry South

Closest successor: Coventry South

England · Boundary changed

Crawley

Closest successor: Crawley

England · Boundary retained

Croydon North

Closest successor: Croydon West

England · Boundary changed

Croydon South

Closest successor: Croydon South

England · Boundary changed

Cynon Valley

Closest successor: Merthyr Tydfil and Aberdare

Wales · Boundary changed

Darlington

Closest successor: Darlington

England · Boundary changed

Dartford

Closest successor: Dartford

England · Boundary changed

Daventry

Closest successor: Daventry

England · Boundary changed

Delyn

Closest successor: Clwyd East

Wales · Boundary changed

Derby North

Closest successor: Derby North

England · Boundary retained

Derby South

Closest successor: Derby South

England · Boundary retained

Devizes

Closest successor: East Wiltshire

England · Boundary changed

Dewsbury

Closest successor: Dewsbury and Batley

England · Boundary changed

Don Valley

Closest successor: Doncaster East and the Isle of Axholme

England · Boundary changed

Doncaster North

Closest successor: Doncaster North

England · Boundary changed

Dover

Closest successor: Dover and Deal

England · Boundary changed

Dudley North

Closest successor: Dudley

England · Boundary changed

Dudley South

Closest successor: Kingswinford and South Staffordshire

England · Boundary changed

Dundee East

Closest successor: Arbroath and Broughty Ferry

Scotland · Boundary changed

Dundee West

Closest successor: Dundee Central

Scotland · Boundary changed

Ealing North

Closest successor: Ealing North

England · Boundary changed

Easington

Closest successor: Easington

England · Boundary changed

East Antrim

Closest successor: East Antrim

Northern Ireland · Boundary changed

East Devon

Closest successor: Exmouth and Exeter East

England · Boundary changed

East Ham

Closest successor: East Ham

England · Boundary changed

East Hampshire

Closest successor: East Hampshire

England · Boundary changed

East Londonderry

Closest successor: East Londonderry

Northern Ireland · Boundary changed

East Lothian

Closest successor: Lothian East

Scotland · Boundary changed

East Surrey

Closest successor: East Surrey

England · Boundary changed

Buy a map of the changes

Choose a constituency above to buy a boundary comparison map. Pay on the comparison page. We prepare the vector files and send them by email after purchase. Printed maps are also available.

Choose a constituency

Browse current constituency maps · Browse ward maps

Constituency figures: House of Commons Library. Map outlines: ONS December 2022 and July 2024. Council review status checked on 1 October 2026.