Replicas and new waymarkers
If you want to use different materials to the originals, for example reinforced concrete instead of a stone or a plate in cheaper aluminium instead of cast iron, this will be a replica, rather than a restoration. However, it should look the part and fulfil its original function! Plastic, fibre glass or even wooden replicas have been constructed in the past. Authentically, if the original was cast iron, the replacement ought to be in cast iron.
There are many utilities’ cables and pipes running under the wayside; if you want to erect or re-erect a milestone, you will need to have the site checked for these. The Highways Authority or their Contractors can provide such information, or you can obtain the reports privately for a fee.