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RoyJudge.com |
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Domestic Extensions and Conservatories |
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If your area is over 25% then you need to consult a thermal consultant to produce a thermal design for you, but always bear in mind that your Government is tasked to reduce CO2 emissions and current regulations are designed to help achieve that. Normally conservatories up to 30 square metres in floor area are exempt building control unless you decide now or in the future to remove any current external element between your home and the conservatory and then it becomes controllable and is classed as a habitable extension. If this is the case, you need Building Regulation approval. You may or may not need planning consent also and your local planning authority will be able to advise you on this. We are able to provide the thermal calculations should you need these in support of your Building Regulations application, but we can guarantee we can achieve compliance even if it means improving thermal efficiency elsewhere in the house as a last resort. We would advise as best we could on the design to be able to achieve what you want! Our parent company, OnSite Building Control Ltd are Approved Inspectors and provide a viable alternative to using the local authority for your Building Regulations application and approval. |
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If you are considering adding an extension to your home, the sum of the area of windows, glazed doors and rooflights (called roof windows in the building regulations) in the extension should be no more than 25% of the floor area of the extension. Even then, you need to ensure your elements of structure (walls, floor, roof and glazing) are insulated to meet the minimum standards in building regulations.