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I must thank you for the quick reply particularly on a Sunday afternoon.
I did leave a Good Service rating but I believe there was space for further comments - but I had to go down for a meal promptly.
I felt £26 was reasonable as I would probably have to wait till Tuesday to see someone at the local CAB and then make an appointment for later.
You have confirmed my thoughts regarding the fence responsibility and it will help on deciding what to do next - if anything.