List of United Kingdom Parliament constituencies

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This is a list of the 646 constituencies currently represented in the House of Commons of the Parliament of the United Kingdom, as at the 2005 general election. Each constituency is represented by a single Member of Parliament (MP).

Constituency boundaries are subject to regular review by an independent Boundary Commission, usually once every 10 to 15 years, to keep the electorate of each constituency as close to the national average as is reasonably possible. New constituencies may be created, or existing ones abolished, by these reviews. For the list of recommended constituencies following the current review see Constituencies in the next United Kingdom general election.

Constituencies were long based on boroughs (burghs in Scotland) and counties. Today, constituencies in England are mostly subdivisions of local authorities, with each constituency being comprised of a number of whole wards. In Scotland, constituencies are subdivisions of council areas, and in Wales they are subdivisions of the preserved counties. Northern Ireland is reviewed as a whole, and constituency boundaries may cross all district borders.

In some cases, particularly in urban areas, two or more local government areas may be combined together to form a single review area, so that particularly large or small constituencies are not created. For example, if two adjacent areas are entitled to 1.5 constituencies each, they may be combined together and awarded three constituencies, rather than having two constituencies each, all of which would be well below the average constituency electorate.

The average constituency size is approximately 74,000 registered voters, but they vary in size from the smallest, Na h-Eileanan an Iar - 22,200 voters, to the largest - The Isle of Wight approx. 110,000 voters. A constituency has no physical size restrictions.

The Parliament of 2001 contained representatives from 659 constituencies. Most of the current constituency boundaries were last reviewed in the early 1990s, and are therefore based on administrative boundaries prior to the last series of local government boundary changes. However, a Boundary Commission for Scotland review in February 2005 resulted in the reorganisation of most Scottish constituencies to adjust for the historic over-representation of Scotland. This reduced the number of constituencies in Scotland by 13, from 72 down to the current 59. The Parliament of 2005 therefore had 646 representatives.


Contents
1 England
1.1 East Midlands Derbyshire, Leicestershire, Lincolnshire, Northamptonshire, Nottinghamshire
1.2 East of England Bedfordshire, Cambridgeshire, Essex, Hertfordshire, Norfolk, Suffolk
1.3 Greater London North East, North West, South East, South West
1.4 North East England Cleveland, Durham, Northumberland, Tyne and Wear
1.5 North West England Cheshire, Cumbria, Greater Manchester, Lancashire, Merseyside
1.6 South East England Berkshire, Buckinghamshire, East Sussex, Hampshire, Isle of Wight, Kent, Oxfordshire, Surrey, West Sussex
1.7 South West England Avon, Cornwall, Devon, Dorset, Gloucestershire, Somerset, Wiltshire
1.8 West Midlands Hereford and Worcester, Shropshire, Staffordshire, Warwickshire, West Midlands
1.9 Yorkshire and Humberside Humberside, North Yorkshire, South Yorkshire, West Yorkshire
2 Northern Ireland
3 Scotland
4 Wales

England

East Midlands

Derbyshire

Main article: List of Parliamentary constituencies in Derbyshire

Leicestershire

Main article: List of Parliamentary constituencies in Leicestershire and Rutland

Lincolnshire

Main article: List of Parliamentary constituencies in Lincolnshire

Northamptonshire

Main article: List of Parliamentary constituencies in Northamptonshire

Nottinghamshire

Main article: List of Parliamentary constituencies in Nottinghamshire

East of England

Bedfordshire

Main article: List of Parliamentary constituencies in Bedfordshire

Cambridgeshire

Main article: List of Parliamentary constituencies in Cambridgeshire

Essex

Main article: List of Parliamentary constituencies in Essex

Hertfordshire

Main article: List of Parliamentary constituencies in Hertfordshire

Norfolk

Main article: List of Parliamentary constituencies in Norfolk

Suffolk

Main article: List of Parliamentary constituencies in Suffolk

Greater London

Main article: List of Parliamentary constituencies in Greater London

North East London Boroughs

North West London Boroughs

South East London Boroughs

South West London Boroughs

North East England

Cleveland

Main article: List of Parliamentary constituencies in Cleveland

Durham

Main article: List of Parliamentary constituencies in County Durham

Northumberland

Main article: List of Parliamentary constituencies in Northumberland

Tyne and Wear

Main article: List of Parliamentary constituencies in Tyne and Wear

North West England

Cheshire

Main article: List of Parliamentary constituencies in Cheshire

Cumbria

Main article: List of Parliamentary constituencies in Cumbria

Greater Manchester

Main article: List of Parliamentary constituencies in Greater Manchester

Lancashire

Main article: List of Parliamentary constituencies in Lancashire

Merseyside

Main article: List of Parliamentary constituencies in Merseyside

South East England

Berkshire

Main article: List of Parliamentary constituencies in Berkshire

Buckinghamshire

Main article: List of Parliamentary constituencies in Buckinghamshire

East Sussex

Main article: List of Parliamentary constituencies in East Sussex

Hampshire

Main article: List of Parliamentary constituencies in Hampshire

Isle of Wight

Kent

Main article: List of Parliamentary constituencies in Kent

Oxfordshire

Main article: List of Parliamentary constituencies in Oxfordshire

Surrey

Main article: List of Parliamentary constituencies in Surrey

West Sussex

Main article: List of Parliamentary constituencies in West Sussex

South West England

Avon

Main article: List of Parliamentary constituencies in Avon

Cornwall

Main article: List of Parliamentary constituencies in Cornwall

Devon

Main article: List of Parliamentary constituencies in Devon

Dorset

Main article: List of Parliamentary constituencies in Dorset

Gloucestershire

Main article: List of Parliamentary constituencies in Gloucestershire

Somerset

Main article: List of Parliamentary constituencies in Somerset

Wiltshire

Main article: List of Parliamentary constituencies in Wiltshire

West Midlands

Hereford and Worcester

Main article: List of Parliamentary constituencies in Herefordshire and Worcestershire

Shropshire

Main article: List of Parliamentary constituencies in Shropshire

Staffordshire

Main article: List of Parliamentary constituencies in Staffordshire

Warwickshire

Main article: List of Parliamentary constituencies in Warwickshire

West Midlands (county)

Main article: List of Parliamentary constituencies in West Midlands

Yorkshire and Humberside

Humberside

Main article: List of Parliamentary constituencies in Humberside

North Yorkshire

Main article: List of Parliamentary constituencies in North Yorkshire

South Yorkshire

Main article: List of Parliamentary constituencies in South Yorkshire

West Yorkshire

Main article: List of Parliamentary constituencies in West Yorkshire

Northern Ireland

Main article: List of Parliamentary constituencies in Northern Ireland

Scotland

Main article: Scottish Westminster constituencies from 2005

The Fifth Periodical Review of the Boundary Commission for Scotland related the boundaries of new constituencies to those of Scottish local government council areas and to local government wards. Apart from a few minor adjustments, the council area boundaries dated from 1996 and the ward boundaries dated from 1999. Some council areas were grouped to form larger areas and, within these larger areas, some constituencies straddle council area boundaries.

The same council area and ward boundaries were in use when the new constituencies were first used in 2005, but ward boundaries have changed since then. New wards were introduced for the 2007 Scottish local government elections.

Council areas Constituencies
Aberdeen City and Aberdeenshire Aberdeen North
Aberdeen South
Banff and Buchan
Gordon
West Aberdeenshire and Kincardine
Angus and Dundee City Angus
Dundee East
Dundee West
Argyll and Bute Argyll and Bute
City of Edinburgh Edinburgh East
Edinburgh North and Leith
Edinburgh South
Edinburgh South West
Edinburgh West
Clackmannanshire and Perth and Kinross Ochil and South Perthshire
Perth and North Perthshire
Dumfries and Galloway, Scottish Borders and South Lanarkshire Berwickshire, Roxburgh and Selkirk
Dumfries and Galloway
Dumfriesshire, Clydesdale and Tweeddale
East Kilbride, Strathaven and Lesmahagow