Durham
| District | Successor |
|---|---|
| Barnard Castle Rural District | Teesdale |
| Barnard Castle Urban District | Teesdale |
| Bishop Auckland Urban District | Wear Valley |
| Blaydon Urban District | Gateshead |
| Boldon Urban District | South Tyneside |
| Brandon and Byshottles Urban District | Durham |
| Chester-le-Street Rural District | City of Sunderland, Gateshead, Chester-le-Street |
| Chester-le-Street Urban District | Chester-le-Street |
| Consett Urban District | Derwentside |
| Crook and Willington Urban District | Wear Valley |
| Darlington Rural District | Darlington, Sedgefield |
| Durham Borough | Durham |
| Durham Rural District | Durham |
| Easington Rural District | Easington, Sunderland |
| Felling Urban District | Gateshead |
| Hebburn Urban District | South Tyneside |
| Hetton Urban District | Sunderland |
| Houghton-le-Spring Urban District | Sunderland |
| Jarrow Borough | South Tyneside |
| Lanchester Rural District | Derwentside |
| Ryton Urban District | Gateshead |
| Seaham Urban District | Easington |
| Sedgefield Rural District | Sedgefield |
| Shildon Urban District | Sedgefield |
| Spennymoor Urban District | Sedgefield |
| Stanley Urban District | Derwentside |
| Stockton Rural District | Stockton-on-Tees, Hartlepool |
| Tow Law Urban District | Wear Valley |
| Washington Urban District | Sunderland |
| Weardale Rural District | Wear Valley |
| Whickham Urban District | Gateshead |
Darlington, Gateshead, Hartlepool, South Shields, Sunderland and Teesside were county boroughs.
Read more about this topic: List Of Rural And Urban Districts In England In 1973