These images show what St. Ninian's Hall looks like at the moment, and how it is expected to look once the development work is completed.
These artist's impressions show the annex due to be built on to the side of the hall, providing space for a new cafe, public toilets and a retail store.
More top news
A father and son from the Jedforest Hunt accused of breaching Scotland's fox hunting laws have been found guilty.
Cumbria's only two high rise buildings have passed a cladding fire safety inspection, following the Grenfell Tower fire in London.
Labour's Stewart Young has been re-elected as leader of Cumbria County Council, as a new Labour and Lib Dem administration.