Garage Conversion Rules, Regulations and Requirements - What are they?
All garage conversions into habitable rooms are deemed to be a change of use and require
formal Building Regulations approval. This is a set of rules or requirements that the new building works must
conform to. All experienced house extension designers will understand these requirements and design a scheme that
Here is a basic list of the main rules, regulations and requirements that most garage conversions have to comply
1 - STRUCTURAL STABILITY:- many garage conversions require some for of wall removal. Prove will be
required of any new beams required.
2 - THERMAL PERFORMANCE:- Most garages are not thermally compliant for habitable living space and the
existing 3 elements (floor walls and roof) will need to be thermally improved by adding insulation.
3 - WASTE AND SOIL DRAINS:- Any new drains (above ground waste pipes and below ground foul drains) need
to be details and shown.
4 - VENTILATION:- Trickle vents for the new window and mechanical ventilator fans for any areas
containing moisture producing appliances of fittings (wc, utility, shower room, kitchen).
5 - MEANS OF ESCAPE AND FIRE COMPARTMENTATION:- Secondary means of escape from the room via a window or
door may need to be proven. 20 or 30 minute fire doors may be required depending upon the number of storeys for the
existing house. A complete new hard wired, battery backup, interlinked smoke detection system may need to be
retrofitted to the entire house.