| Place Name | Codnor |
| Parish | Codnor |
| Grid Ref | SK4149 |
| County | Derbyshire |
| Electoral Division | South (1832-1885) |
| Ilkeston (1885-1982/3) |
| Amber Valley 1983 |
| Local Authority | Heanor Urban District Council |
| Registration District | Basford (1837-1937) |
| Shardlow (1937-1938) |
| Ilkeston (1938-1997) |
| Amber Valley (1997-) |
| Petty Sessional Division | Ilkeston |
| County Court Division | Alfreton |
| UK GSS Code | E04002668 - Amber Valley Borough (2016) |
| Country | United Kingdom, England |
| Notes | Parish of Codnor and Loscoe formed from parts of Denby, Heanor and Pentrich 1844
Parts transferred to Ironville 1850 and Loscoe 1927; renamed Codnor 1927 |
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