East of England
Bedfordshire and Milton Keynes
Cambridgeshire, including Peterborough
Essex, Thurrock and Southend on Sea
Hertfordshire
Norfolk
Suffolk

East Midlands
Northamptonshire
Rutland

London
(all 32 boroughs plus the City of London)

North West
Cumbria
Liverpool City Region
Warrington and Cheshire

South East
Bracknell Forest
Brighton and Hove
Buckinghamshire
East Sussex
Hampshire, including Portsmouth and Southampton
Oxfordshire
Reading
Surrey
West Berkshire
West Sussex
Windsor and Maidenhead
Wokingham

South West
Bath and North East Somerset
Bournemouth, Christchurch and Poole
Devon, including Plymouth and Torbay
Dorset
Gloucestershire (Cheltenham, Cotswold, Forest of Dean, Gloucester, Stroud and Tewkesbury)
Somerset (South Somerset, Somerset West and Taunton, Mendip and Sedgemoor)
Wiltshire and Swindon

West Midlands
Herefordshire
Shropshire and Telford & Wrekin
Worcestershire
Yorkshire
City of York
North Yorkshire

East Midlands
Derby and Derbyshire
Leicester and Leicestershire Lincolnshire
Nottingham and Nottinghamshire

North East
North East Combined Authority:
County Durham Gateshead South Tyneside Sunderland

North of Tyne Combined Authority:
Newcastle upon Tyne
North Tyneside
Northumberland
Tees Valley Combined Authority:
Darlington
Hartlepool
Middlesbrough
Redcar and Cleveland
Stockton-on-Tees

North West
Blackburn with Darwen
Blackpool
Greater Manchester
Lancashire

South East
Kent and Medway
Slough (remainder of Berkshire is tier 2: High alert)

South West
Bristol
North Somerset
South Gloucestershire

West Midlands
Birmingham,
Dudley,
Sandwell,
Walsall and Wolverhampton
Staffordshire and Stoke-on-Trent
Warwickshire,
Coventry and Solihull
Yorkshire and The Humber
East Riding of Yorkshire Kingston upon Hull/Hull

North East
Lincolnshire
North Lincolnshire
South Yorkshire
West Yorkshire