There is a requirement to apply for and obtain a Fire Safety Certificate before commencing any works to which Part B of the Second Schedule of the Building Regulations, 1997 apply.
This primarily affects all works to non-domestic buildings and includes extensions (greater than 25 square metres) and material alterations to existing buildings and the construction of new buildings.
The types of buildings to which the requirement applies include:-
health care uses including hospitals , nursing homes, clinics,
guest accommodation including hotels, guest houses, B & B's
assembly & recreation buildings, including schools, halls, restaurants, pubs, gyms
industrial and warehouse/storage ,