Pitch, gutters (tagrender) and scaffolding (stillads) change a roof quote. A price per square metre that leaves the scaffolding out is incomplete, not cheaper. Roofing does not use the same Sikkerhedsstyrelsen authorisation as fixed electrical or plumbing work. Ask for the CVR number on the invoice.
In København most jobs are in apartment buildings: Vesterbro, Nørrebro, Østerbro, Amager and Frederiksberg. Access, parking, and whether scaffolding can stand in the courtyard move the price more than the postcode. The same 1 businesses as the Danish page: BVO Tagdækning ApS.