Thanks for your email.
Fees can vary, depends on the matter, size of firm, geographic location of firm, experience of the solicitor. You will needs to ring around a few local solicitors to get an idea.
Whatever fee you are quoted the neighbour should cover this, in full, plus any additional fees if the fee estimate is exceeded.
The neighbour should also pick up ancillary costs in making good after installation of the pipe to your satisfaction.
I hope this helps. Let me know if you have any queries in respect of my answer.
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