Professional UK parliamentary constituency boundary mapping for print, digital publishing and campaign planning.
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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.

Slough

Closest successor: Slough

England · Boundary changed

Solihull

Closest successor: Solihull West and Shirley

England · Boundary changed

South Antrim

Closest successor: South Antrim

Northern Ireland · Boundary changed

South Dorset

Closest successor: South Dorset

England · Boundary changed

South Down

Closest successor: South Down

Northern Ireland · Boundary changed

South Norfolk

Closest successor: South Norfolk

England · Boundary changed

South Ribble

Closest successor: South Ribble

England · Boundary changed

South Shields

Closest successor: South Shields

England · Boundary changed

South Staffordshire

Closest successor: Kingswinford and South Staffordshire

England · Boundary changed

South Suffolk

Closest successor: South Suffolk

England · Boundary changed

South Swindon

Closest successor: Swindon South

England · Boundary changed

South Thanet

Closest successor: East Thanet

England · Boundary changed

Southend West

Closest successor: Southend West and Leigh

England · Boundary changed

Southport

Closest successor: Southport

England · Boundary changed

Spelthorne

Closest successor: Spelthorne

England · Boundary retained

St Albans

Closest successor: St Albans

England · Boundary changed

St Helens North

Closest successor: St Helens North

England · Boundary retained

St Ives

Closest successor: St Ives

England · Boundary changed

Stafford

Closest successor: Stafford

England · Boundary changed

Stevenage

Closest successor: Stevenage

England · Boundary changed

Stirling

Closest successor: Stirling and Strathallan

Scotland · Boundary changed

Stockport

Closest successor: Stockport

England · Boundary changed

Stockton North

Closest successor: Stockton North

England · Boundary changed

Stockton South

Closest successor: Stockton West

England · Boundary changed

Stone

Closest successor: Stoke-on-Trent South

England · Boundary changed

Stourbridge

Closest successor: Stourbridge

England · Boundary changed

Strangford

Closest successor: Strangford

Northern Ireland · Boundary changed

Streatham

Closest successor: Streatham and Croydon North

England · Boundary changed

Stroud

Closest successor: Stroud

England · Boundary changed

Suffolk Coastal

Closest successor: Suffolk Coastal

England · Boundary changed

Surrey Heath

Closest successor: Surrey Heath

England · Boundary changed

Swansea East

Closest successor: Swansea West

Wales · Boundary changed

Swansea West

Closest successor: Swansea West

Wales · Boundary changed

Tamworth

Closest successor: Tamworth

England · Boundary changed

Tatton

Closest successor: Tatton

England · Boundary changed

Taunton Deane

Closest successor: Taunton and Wellington

England · Boundary changed

Telford

Closest successor: Telford

England · Boundary changed

Tewkesbury

Closest successor: Tewkesbury

England · Boundary changed

The Cotswolds

Closest successor: South Cotswolds

England · Boundary changed

The Wrekin

Closest successor: The Wrekin

England · Boundary changed

Thurrock

Closest successor: Thurrock

England · Boundary changed

Tooting

Closest successor: Tooting

England · Boundary retained

Torbay

Closest successor: Torbay

England · Boundary changed

Torfaen

Closest successor: Torfaen

Wales · Boundary changed

Totnes

Closest successor: South Devon

England · Boundary changed

Tottenham

Closest successor: Tottenham

England · Boundary changed

Tunbridge Wells

Closest successor: Tunbridge Wells

England · Boundary retained

Twickenham

Closest successor: Twickenham

England · Boundary changed

Tynemouth

Closest successor: Tynemouth

England · Boundary changed

Upper Bann

Closest successor: Upper Bann

Northern Ireland · Boundary changed

Vale of Clwyd

Closest successor: Clwyd North

Wales · Boundary changed

Vauxhall

Closest successor: Vauxhall and Camberwell Green

England · Boundary changed

Wakefield

Closest successor: Wakefield and Rothwell

England · Boundary changed

Wallasey

Closest successor: Wallasey

England · Boundary changed

Walsall North

Closest successor: Walsall and Bloxwich

England · Boundary changed

Walsall South

Closest successor: Walsall and Bloxwich

England · Boundary changed

Walthamstow

Closest successor: Walthamstow

England · Boundary retained

Wansbeck

Closest successor: Blyth and Ashington

England · Boundary changed

Wantage

Closest successor: Didcot and Wantage

England · Boundary changed

Warley

Closest successor: Smethwick

England · Boundary changed

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