The former fire station, built in 1889, was converted into a 26-suite hotel and restaurant in 2013.
Such an extended closure, it is feared, could have a negative knock-on effect on other local businesses.
We are grateful to confirm that no one was hurt, and our guests and staff safely evacuated.
The Chiltern Firehouse club and restaurant in Marylebone, West London.lex Segre/Getty Images
The fire has now been fully contained.
In the meantime, the Chiltern Firehouse will remain closed until further notice.
