Neighbours Extension Roof Overhangs My Property

A word of caution is necessary here however.
Neighbours extension roof overhangs my property. Nothing from there building should intrude over the boundary between your two properties this is a legal fact it doe s happen sometimes however this requires your written consent your neighbours may not have known this but the conservertory company should have. What are my rights in this situation. My neighbour has a shed in his garden the roof of which overhangs my fence and the rain runs off directly onto the fence and supporting fence post causing it to rot out. I have spoken to my neighbour twice over recent months asking him to reposition his shed in order to alleviate the problem but to no avail.
Any neighbouring extensions should not encroach onto other people s land regardless of height however as intimated this could easily remedied when tied into the new build. I have lived there for 18 years and never minded. The house is now owned by a. I had a great neighbor until now.
I would speek to them and explain your building intention s and find anothere. This is unlawful unless you have given permission. Rule of thumb is 1 meter from the boundary of adjoining properties land or right up to it. If your neighbour has built inside or over his building line or even worse has built over the border of your property he has encroached on your property.
According to the survey my neighbors fence and carport overhang are on my side. If you are building a new extension or property very close to or on the boundary you need to consider whether you have you left room for any guttering etc. The houses were built by the same person and have been there for many years. What can i do about neighbors fence and carport overhang on my property.
Your neighbour s overhanging roof is a simple matter of encroachment.