Helen Boit is the Integrated Matron for Keswick, Cockermouth and Maryport.
"Work has already begun and will take about six months to complete.
"The hospital will be open as usual during this time as work has been staged through the hospital has been planned carefully to ensure that current services can still operate with we hope as minimal disruption as possible."
More top news
Do you know what's been happening in Cumbria and the south of Scotland over the past seven days? Test yourself in our weekly news quiz.
The 14-year-old's body was found in a cemetery in Carlisle last June. George Thomson and Brahnn Finley have been found guilty of murder.
Cumbria Fire Service is reminding families of how easy pan fires can start and give their tips on how to handle one.