newshound wrote:

Sure, there are better ways to start but the poster would be within his
rights to trim to the boundary, and *must* pass the cuttings back (otherwise
it could be construed as theft).

Nearly right. You must offer to give back the cuttings. If the neighbour
doesnt want them, then it is up to you to get rid of them, you cannot
chuck them over the fence/boundary.
Alan.
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