chimney piece 
noun British
A mantelpiece.The newly-installed chimney piece in Prince William's university digs - a large country house just outside St Andrews - is the ultimate stamp of approval for the small Borders firm of Thistle & Rose....
- As well as the four bedrooms, there is a living area with a granite chimney piece stretching to the ceiling and an open grate.
- After leaving the stairwell and statue, guests entered the principal drawing room, where, above the chimney piece, Wellington chose to hang a portrait of John Churchill, 1st Duke of Marlborough.