If a particular room above your garage tends to be cold especially during winter you are not alone. The underlay is a good thickness and the carpet is 80 wool Hessian backed. These Loft Style Bedrooms Will Take Your Style To New Heights In 2021 Loft Style Bedroom Garage Conversion To Family Room Small Loft Spaces Air sealing and insulating a garage ceiling will prevent cold floors or drafts from ruining your indoor living space. Cold bedroom above garage . The balcony doors are pretty standard. Converting a garage to a habitable room is a reclassification to Class 1a and will therefore require a Development Application and Approval from your local Council before commencement of any work. What Can Be Done To Solve This Cold Floor Hot Room Problem. And then covering that. The options you have for the room in general are fiberglass batts blown-in cellulose injection cellulose injection foam and spray foam. Does your garage share a wall with an interior room. If you w...