No reopening date was given, however the refurbishment is to last through early spring.
Blog Mickey reports that the dining location could reopen on the 22nd March:
“The refurbishment is expected to last for more than a month, reopening to guests on March 22nd.”Mike, Blog Mickey
During the refurbishment, the Rose & Crown Pub and Yorkshire County Fish Shop will be open and serving a selection of British food and drinks.
FYI: The Rose & Crown Dining Room is located in the United Kingdom Pavilion (World Showcase) at EPCOT.
Stay tuned to Orlando Theme Park Zone for further updates.
H/T Blog Mickey