It is strongly recommended, if not insisted upon, that when considering to convert your flat roof garage into habitable space. Building Control will require you to construct what is called a warm roof. This will require the removal of the existing waterproof covering and fascias.


Therefore, you will need to factor this work into your budget in the region of £2000 to £3500 to construct a warm roof on an average domestic single garage. We can provide plenty of help and guidance and undertake all the work necessary to comply with Building Regulations for you. 


For more information on warm roofs, please download the guide to flat roofing.