Last month the Hollywood star, 58, sought permission from town hall planners for the single-storey development, for security guards who patrol his and wife Amal's £20million Aberlash House estate.
But the planning application for the wooden outbuilding - said to be used for "security purposes" - hit the buffers after a tree expert at South Oxfordshire District Council raised concerns about the welfare of a nearby coast redwood.Writing in early March, forestry officer Tim Onslow-Free said: "Due to the high value and prominence of this tree...