Concerning two 40ft Leylandii planted 25 years ago by a long gone occupier
of my house in a location 4 feet over my back garden fence. Their trunks
are are only 3ft apart so they appear as one tree as one of them is leaning
into the other. They do not overhang my fence but in summer from sunrise
to around 11:00 they cast a complete shadow over my garden and patio.

The ground they are on is a grass covered "green area" with no other trees
in a Scottish private housing estate.

I did contact my local gov estates dept once saying that their lean (roots
at trunk of one are well exposed) constitued a current of eventual hazard
but they looked at it and said that in their opinion they were safe.

Can anyone give me advice on my prospects, necessary permissions etc for
getting these trees removed?

Beemer