# The 2009 county changes

41 county codes were replaced on 1 January 2009, creating
35 new codes across 41 predecessor-to-successor relationships.


- Codes replaced: 41
- Codes created: 35
- Relationships: 41
- Instruments: none recorded (ONS re-coding placeholder)

## What changed

| Old code | Name | Replaced by | Successors |
|---|---|---|---|
| 09 | Bedfordshire | E10000001 Bedfordshire | 1 |
| E10000001 | Bedfordshire | E10999999 County Abolished | 1 |
| 11 | Buckinghamshire | E10000002 Buckinghamshire | 1 |
| 12 | Cambridgeshire | E10000003 Cambridgeshire | 1 |
| 13 | Cheshire | E10000004 Cheshire | 1 |
| E10000004 | Cheshire | E10999999 County Abolished | 1 |
| 15 | Cornwall and Isles of Scilly | E10000005 Cornwall and Isles of Scilly | 1 |
| E10000005 | Cornwall and Isles of Scilly | E10999999 County Abolished | 1 |
| 16 | Cumbria | E10000006 Cumbria | 1 |
| 17 | Derbyshire | E10000007 Derbyshire | 1 |
| 18 | Devon | E10000008 Devon | 1 |
| 19 | Dorset | E10000009 Dorset | 1 |
| 20 | Durham | E10000010 Durham | 1 |
| E10000010 | Durham | E10999999 County Abolished | 1 |
| 21 | East Sussex | E10000011 East Sussex | 1 |
| 22 | Essex | E10000012 Essex | 1 |
| 23 | Gloucestershire | E10000013 Gloucestershire | 1 |
| 24 | Hampshire | E10000014 Hampshire | 1 |
| 26 | Hertfordshire | E10000015 Hertfordshire | 1 |
| 29 | Kent | E10000016 Kent | 1 |
| 30 | Lancashire | E10000017 Lancashire | 1 |
| 31 | Leicestershire | E10000018 Leicestershire | 1 |
| 32 | Lincolnshire | E10000019 Lincolnshire | 1 |
| 33 | Norfolk | E10000020 Norfolk | 1 |
| 34 | Northamptonshire | E10000021 Northamptonshire | 1 |
| 35 | Northumberland | E10000022 Northumberland | 1 |
| E10000022 | Northumberland | E10999999 County Abolished | 1 |
| 36 | North Yorkshire | E10000023 North Yorkshire | 1 |
| 37 | Nottinghamshire | E10000024 Nottinghamshire | 1 |
| 38 | Oxfordshire | E10000025 Oxfordshire | 1 |
| 39 | Shropshire | E10000026 Shropshire | 1 |
| E10000026 | Shropshire | E10999999 County Abolished | 1 |
| 40 | Somerset | E10000027 Somerset | 1 |
| 41 | Staffordshire | E10000028 Staffordshire | 1 |
| 42 | Suffolk | E10000029 Suffolk | 1 |
| 43 | Surrey | E10000030 Surrey | 1 |
| 44 | Warwickshire | E10000031 Warwickshire | 1 |
| 45 | West Sussex | E10000032 West Sussex | 1 |
| 46 | Wiltshire | E10000033 Wiltshire | 1 |
| E10000033 | Wiltshire | E10999999 County Abolished | 1 |
| 47 | Worcestershire | E10000034 Worcestershire | 1 |

## Provenance

Source: Office for National Statistics, Code History Database (June 2026).
Retrieved 7 September 2026.
Dataset version CHD-2026-06. Open Government Licence v3.0.
Canonical: https://ukmwi.co.uk/changes/2009/counties