| Non-metropolitan county 1974 [5] | Changes 1995–1998 | Changes 2009 | Changes 2019-2020 |
|---|
| Avon (6 districts)‡ | 1996: North West Somerset [6] (unitary)
2005: renamed North Somerset† | None | None |
| 1996: Bath and North East Somerset [6] (unitary) | None | None |
| 1996: South Gloucestershire [6] (unitary) | None | None |
| 1996: City of Bristol [6] (unitary) | None | None |
| Bedfordshire (4 districts) | 1997: Bedfordshire [7] (3 districts) | Bedford [8] (unitary) | None |
| Central Bedfordshire [8] (unitary) | None |
| 1997: Luton [7] (unitary) | None | None |
Berkshire (Royal County) [9]
(6 districts) | 1998: The county council was abolished,
with each of the six district councils in the county becoming unitary authorities.
The Royal County of Berkshire was not abolished. [10] | None | None |
| Buckinghamshire (5 districts) | 1997: Buckinghamshire [11] (4 districts) | None | Buckinghamshire (unitary) |
| 1997: Milton Keynes [11] (unitary) | None | None |
| Cambridgeshire (6 districts) | 1998: Cambridgeshire [12] (5 districts) | None | None |
| 1998: Peterborough [12] (unitary) | None | |
| Cheshire (8 districts) | 1998: Cheshire [13] (6 districts) | Cheshire East [14] (unitary) | None |
| Cheshire West and Chester [14] (unitary) | None |
| 1998: Halton [13] (unitary) | None | None |
| 1998: Warrington [13] (unitary) | None | None |
| Cleveland (4 districts) | 1996: Hartlepool [15] (unitary) | None | None |
| 1996: Middlesbrough [15] (unitary) | None | None |
| 1996: Redcar and Cleveland [15] (unitary) | None | None |
| 1996: Stockton-on-Tees [15] (unitary) | None | None |
| Cornwall (6 districts) | None | Became unitary [16] | None |
| Cumbria (6 districts) | None | None | None |
| Derbyshire (9 districts) | 1997: Derby [17] (unitary) | None | None |
| 1997: Derbyshire [17] (8 districts) | None | None |
| Devon (10 districts) | 1998: Devon [18] (8 districts) | None | None |
| 1998: Torbay [18] (unitary) | None | None |
| 1998: Plymouth [18] (unitary) | None | None |
| Dorset (8 districts) | 1997: Dorset [19] (6 districts) | None | Dorset (unitary) (except Christchurch district) [20] |
| 1997: Bournemouth [19] (unitary) | None | Bournemouth, Christchurch and Poole (unitary) [20] |
| 1997: Poole [19] (unitary) | None |
| Durham (8 districts) | 1997: Darlington [21] (unitary) | None | None |
| 1997: Durham [21] (7 districts) | Became unitary [22] | None |
| East Sussex (7 districts) | 1997: East Sussex [23] (5 districts) | None | None |
| 1997: Brighton and Hove [23] (unitary) | None | None |
| Essex (14 districts) | 1998: Essex [24] (12 districts) | None | None |
| 1998: Southend-on-Sea [24] (unitary) | None | None |
| 1998: Thurrock [24] (unitary) | None | None |
| Gloucestershire (6 districts) | None | None | None |
| Hampshire (13 districts) | 1997: Hampshire [25] (11 districts) | None | None |
| 1997: Portsmouth [25] (unitary) | None | None |
| 1997: Southampton [25] (unitary) | None | None |
| Hereford and Worcester (9 districts) | 1998: Herefordshire [26] (unitary) | None | None |
| 1998: Worcestershire [26] (6 districts) | None | None |
| Hertfordshire (10 districts) | None | None | None |
| Humberside (9 districts) | 1996: East Riding of Yorkshire [27] (unitary) | None | None |
| 1996: City of Kingston upon Hull [27] (unitary) | None | None |
| 1996: North Lincolnshire [27] (unitary) | None | None |
| 1996: North East Lincolnshire [27] (unitary) | None | None |
| Isle of Wight (2 districts) | 1995: Became unitary [28] | None | None |
| Kent (14 districts) | 1998: Kent [29] (12 districts) | None | None |
1998: The Medway Towns [29] (unitary)
1998: renamed Medway | None | None |
| Lancashire (14 districts) | 1998: Lancashire [30] (12 districts) | None | None |
| 1998: Blackburn with Darwen [30] (unitary) | None | None |
| 1998: Blackpool [30] (unitary) | None | None |
| Leicestershire (9 districts) | 1997: Leicestershire [31] (7 districts) | None | None |
| 1997: Leicester [31] (unitary) | None | None |
| 1997: Rutland [31] (unitary) | None | None |
| Lincolnshire (7 districts) | None | None | None |
| Norfolk (7 districts) | None | None | None |
| North Yorkshire (8 districts) | 1996: North Yorkshire [32] (7 districts) | None | None |
| 1996: York [32] (unitary) | None | None |
| Northamptonshire (7 districts) | None | None | None |
| Northumberland (6 districts) | None | Became unitary [33] | None |
| Nottinghamshire (8 districts) | 1998: Nottinghamshire [34] (7 districts) | None | None |
| 1998: Nottingham [34] (unitary) | None | None |
| Oxfordshire (5 districts) | None | None | None |
Salop (6 districts)
1980: renamed Shropshire | 1998: Shropshire (5 districts) [35] | Became unitary [36] | None |
1998: The Wrekin [35] (unitary)
1998: Renamed Telford and Wrekin | None | None |
| Somerset (5 districts) | None | None | Reduced to 4 districts through merger [37] |
| Staffordshire (9 districts) | 1997: Staffordshire [38] (8 districts) | None | None |
| 1997: Stoke-on-Trent [38] (unitary) | None | None |
| Suffolk (7 districts) | None | None | Reduced to 5 districts through mergers [39] [40] |
| Surrey (11 districts) | None | None | None |
| Warwickshire (5 districts) | None | None | None |
| West Sussex (7 districts) | None | None | None |
| Wiltshire (5 districts) | 1997: Wiltshire [41] (4 districts) | Became unitary [42] | None |
1997: Thamesdown [41] (unitary)
1997: renamed Swindon | None | None |
