What do the changes to the building regulations mean?”
– From 1 April 2005, Part L1 of the Building Regulations requires gas boilers installed in new and existing dwellings to be condensing types, with a SEDBUK efficiency in band A or B, unless there are exceptional circumstances that make this impractical or too costly. In those cases where it is considered difficult to install a condensing boiler, an assessment procedure is used to demonstrate that a non-condensing boiler is justified.
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- What do the changes to the building regulations mean?"