Combined authority
Existing combined authorities
Following the unsuccessful English mayoral referendums in 2012, new combined authorities were encouraged as an alternative structure to receive additional powers and funding as part of 'city deals'.

Combined authority

Section Title: Existing combined authorities
Table Section Text: Following the unsuccessful English mayoral referendums in 2012, new combined authorities were encouraged as an alternative structure to receive additional powers and funding as part of 'city deals'.

Combined authority	Constituent districts	Ceremonial county	Region (England)	Established	Administrative HQ	Population

Mayoral

Cambridgeshire and Peterborough	Cambridge	Cambridgeshire	East of England	3 March 2017	Alconbury

East Cambridgeshire

Fenland

Huntingdonshire

Peterborough

South Cambridgeshire

Greater Manchester	Bolton	Greater Manchester	North West	1 April 2011	Manchester	2,756,000

Bury

Oldham

Rochdale

Salford

Stockport

Tameside

Trafford

Wigan

Liverpool City Region	Halton	Cheshire	1 April 2014	Liverpool	1,525,000

Knowsley	Merseyside

Sefton

St Helens

Wirral

North of Tyne	Newcastle upon Tyne	Tyne and Wear	North East	2 November 2018	Wallsend

North Tyneside

Northumberland

Sheffield City Region	Barnsley	South Yorkshire	Yorkshire and the Humber	1 April 2014	Barnsley

Doncaster

Rotherham

Sheffield

Tees Valley	Darlington	Durham	North East	1 April 2016	Thornaby-on-Tees

Hartlepool

Middlesbrough	North Yorkshire

Redcar and Cleveland

Stockton-on-Tees	Durham

North Yorkshire

West Midlands	Birmingham	West Midlands	West Midlands	17 June 2016	Birmingham	2,834,000

Coventry

Dudley

Sandwell

Solihull

Walsall

Wolverhampton

West of England	Bath and North East Somerset	Somerset	South West	9 February 2017	Bristol	1,119,000

South Gloucestershire	Gloucestershire

Without a mayor

North East	County Durham	Durham	North East	15 April 2014	Wallsend

Gateshead	Tyne and Wear

South Tyneside

Sunderland

West Yorkshire	Bradford	West Yorkshire	Yorkshire and the Humber	1 April 2014	Leeds

Calderdale

Kirklees

Wakefield

Sentence(s)

The combined authorities were formed in 2017: West of England, comprising Bristol and two authorities in Gloucestershire and Somerset.

final_sentence: The combined authorities were formed in 2017: West of England, comprising Bristol and two authorities in Gloucestershire and Somerset.