The following individuals or organisations have carried out design/construction work. Where architects or practices worked together, matching letters appear beside their names in the Partnership Group column.
design classic
| Person | Partnership Group | Role | From | To | Notes |
| John Smith | | | 1827 | 1830 | Design modified by Telford |
| T F Henderson | | Engineer | 1961/08/18 | | designer per Builder p305 |