what is the maximum height for a fence
Report Abuse. the maximum height is 5ft 7, you would have to have 4 ft fence to have trelis on top if you wanted to avoid planning permission applications. if you put it up and it was higher the council have the right to come in and rip it all down. starlight Â· 6 years ago.Thumbs up.E: Maximum Fence Height UK? Please could someone tell me what the maximum fence height I can have without getting planning permission in the UK for a garden fence Also can I add trellis on to this?