The full list of tiers has been published by the government. 

This includes Bristol and Birmingham being placed in Tier 3 with Swindon, Wiltshire and Oxford in Tier 2.

The full list is below:

Tier 1: Medium alert

South East

  • Isle of Wight

South West

  • Cornwall
  • Isles of Scilly

Tier 2: High alert

North West

  • Cumbria
  • Liverpool City Region
  • Warrington and Cheshire

Yorkshire

  • York
  • North Yorkshire

West Midlands

  • Worcestershire
  • Herefordshire
  • Shropshire and Telford & Wrekin

East Midlands

  • Rutland
  • Northamptonshire

East of England

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

London

  • all 32 boroughs plus the City of London

South East

  • East Sussex
  • West Sussex
  • Brighton and Hove
  • Surrey
  • Reading
  • Wokingham
  • Bracknell Forest
  • Windsor and Maidenhead
  • West Berkshire
  • Hampshire (except the Isle of Wight), Portsmouth and Southampton
  • Buckinghamshire
  • Oxfordshire

South West

  • South Somerset, Somerset West and Taunton, Mendip and Sedgemoor
  • Bath and North East Somerset
  • Dorset
  • Bournemouth
  • Christchurch
  • Poole
  • Gloucestershire
  • Wiltshire and Swindon
  • Devon

Tier 3: Very High alert

North East

  • Tees Valley Combined Authority:
  • Hartlepool
  • Middlesbrough
  • Stockton-on-Tees
  • Redcar and Cleveland
  • Darlington
  • North East Combined Authority:
  • Sunderland
  • South Tyneside
  • Gateshead
  • Newcastle upon Tyne
  • North Tyneside
  • County Durham
  • Northumberland

North West

  • Greater Manchester
  • Lancashire
  • Blackpool
  • Blackburn with Darwen

Yorkshire and The Humber

  • The Humber
  • West Yorkshire
  • South Yorkshire

West Midlands

  • Birmingham and Black Country
  • Staffordshire and Stoke-on-Trent
  • Warwickshire, Coventry and Solihull

East Midlands

  • Derby and Derbyshire
  • Nottingham and Nottinghamshire
  • Leicester and Leicestershire
  • Lincolnshire

South East

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

South West

  • Bristol
  • South Gloucestershire
  • North Somerset