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That any walls, hedges or fences should be kept in good repair.
I'm not sure, we have lived next door for many years and I'm afraid that experience has shown he has always had an "eye to the main chance" to such an extent that we are the only ones on the street who still have any conversation with him. There is a fence from the rear of the property to the rear of the garden which he erected when he first came her over 25 yes ago because the existing one didn't afford sufficient privacy and he wanted me to replace it but at the time mine was rented and the landlord refused.