Fencing Act 1978, s 10
A fencing notice sets out the work one person wants to have carried out on the fence and the contribution they are seeking from their neighbour (see sample notice in this chapter). It must state:
the boundary along which the fencing work is to be done
the work to be carried out and the materials to be used
the consequences if the neighbour does not comply with the notice
an estimate of the cost of the work
how the cost will be shared (if the costs are not to be shared equally).