| Non-metropolitan county 1974 [5] | Changes 1995–1998 | Changes 2009 | Changes 2019 and 2020s |
|---|
| Avon (6 districts) [lower-alpha 1] | 1996: North West Somerset [7] (unitary)
2005: renamed North Somerset [lower-alpha 2] | None | None |
| 1996: Bath and North East Somerset [7] (unitary) | None | None |
| 1996: South Gloucestershire [7] (unitary) | None | None |
| 1996: City of Bristol [7] (unitary) | None | None |
| Bedfordshire (4 districts) | 1997: Bedfordshire [9] (3 districts) | Bedford [10] (unitary) | None |
| Central Bedfordshire [10] (unitary) | None |
| 1997: Luton [9] (unitary) | None | None |
Berkshire (Royal County) [11]
(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. [12] | None | None |
| Buckinghamshire (5 districts) | 1997: Buckinghamshire [13] (4 districts) | None | Buckinghamshire (unitary) |
| 1997: Milton Keynes [13] (unitary) | None | None |
| Cambridgeshire (6 districts) | 1998: Cambridgeshire [14] (5 districts) | None | None |
| 1998: Peterborough [14] (unitary) | None | |
| Cheshire (8 districts) | 1998: Cheshire [15] (6 districts) | Cheshire East [16] (unitary) | None |
| Cheshire West and Chester [16] (unitary) | None |
| 1998: Halton [15] (unitary) | None | None |
| 1998: Warrington [15] (unitary) | None | None |
| Cleveland (4 districts) | 1996: Hartlepool [17] (unitary) | None | None |
| 1996: Middlesbrough [17] (unitary) | None | None |
| 1996: Redcar and Cleveland [17] (unitary) | None | None |
| 1996: Stockton-on-Tees [17] (unitary) | None | None |
| Cornwall (6 districts) | None | Became unitary [18] | None |
| Cumbria (6 districts) | None | None | None |
| Derbyshire (9 districts) | 1997: Derby [19] (unitary) | None | None |
| 1997: Derbyshire [19] (8 districts) | None | None |
| Devon (10 districts) | 1998: Devon [20] (8 districts) | None | None |
| 1998: Torbay [20] (unitary) | None | None |
| 1998: Plymouth [20] (unitary) | None | None |
| Dorset (8 districts) | 1997: Dorset [21] (6 districts) | None | Dorset (a unitary from 7 districts)
[22] |
| 1997: Bournemouth [21] (unitary) | None | Bournemouth, Christchurch and Poole (unitary from 2 unitaries and Christchurch district) [22] |
| 1997: Poole [21] (unitary) | None |
| Durham (8 districts) | 1997: Durham [23] (7 districts) | 1997: Darlington [23] (unitary) | None |
| Became unitary [24] | None |
| East Sussex (7 districts) | 1997: East Sussex [25] (5 districts) | None | None |
| 1997: Brighton and Hove [25] (unitary) | None | None |
| Essex (14 districts) | 1998: Essex [26] (12 districts) | None | None |
| 1998: Southend-on-Sea [26] (unitary) | None | None |
| 1998: Thurrock [26] (unitary) | None | None |
| Gloucestershire (6 districts) | None | None | None |
| Hampshire (13 districts) | 1997: Hampshire [27] (11 districts) | None | None |
| 1997: Portsmouth [27] (unitary) | None | None |
| 1997: Southampton [27] (unitary) | None | None |
| Hereford and Worcester (9 districts) | 1998: Herefordshire [28] (unitary) | None | None |
| 1998: Worcestershire [28] (6 districts) | None | None |
| Hertfordshire (10 districts) | None | None | None |
| Humberside (9 districts) | 1996: East Riding of Yorkshire [29] (unitary) | None | None |
| 1996: City of Kingston upon Hull [29] (unitary) | None | None |
| 1996: North Lincolnshire [29] (unitary) | None | None |
| 1996: North East Lincolnshire [29] (unitary) | None | None |
| Isle of Wight (2 districts) | 1995: Became unitary [30] | None | None |
| Kent (14 districts) | 1998: Kent [31] (12 districts) | None | None |
1998: The Medway Towns [31] (unitary)
1998: renamed Medway | None | None |
| Lancashire (14 districts) | 1998: Lancashire [32] (12 districts) | None | None |
| 1998: Blackburn with Darwen [32] (unitary) | None | None |
| 1998: Blackpool [32] (unitary) | None | None |
| Leicestershire (9 districts) | 1997: Leicestershire [33] (7 districts) | None | None |
| 1997: Leicester [33] (unitary) | None | None |
| 1997: Rutland [33] (unitary) | None | None |
| Lincolnshire (7 districts) | None | None | None |
| Norfolk (7 districts) | None | None | None |
| North Yorkshire (8 districts) | 1996: North Yorkshire [34] (7 districts) | None | None |
| 1996: York [34] (unitary) | None | None |
| Northamptonshire (7 districts) | None | None | North Northamptonshire (unitary) |
| West Northamptonshire (unitary) |
| Northumberland (6 districts) | None | Became unitary [35] | None |
| Nottinghamshire (8 districts) | 1998: Nottinghamshire [36] (7 districts) | None | None |
| 1998: Nottingham [36] (unitary) | None | None |
| Oxfordshire (5 districts) | None | None | None |
Salop (6 districts)
1980: renamed Shropshire | 1998: Shropshire (5 districts) [37] | Became unitary [38] | None |
1998: The Wrekin [37] (unitary)
1998: Renamed Telford and Wrekin | None | None |
| Somerset (5 districts) | None | None | Somerset (4 districts through merger) [39] |
| Staffordshire (9 districts) | 1997: Staffordshire [40] (8 districts) | None | None |
| 1997: Stoke-on-Trent [40] (unitary) | None | None |
| Suffolk (7 districts) | None | None | Suffolk (5 districts through mergers) [41] [42] |
| Surrey (11 districts) | None | None | None |
| Warwickshire (5 districts) | None | None | None |
| West Sussex (7 districts) | None | None | None |
| Wiltshire (5 districts) | 1997: Wiltshire [43] (4 districts) | Became unitary [44] | None |
1997: Thamesdown [43] (unitary)
1997: renamed Swindon | None | None |
