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    Ground bearing Slab vs. B&B Floor

    Hi All, An existing kitchen concrete floor will be removed to make way for a floating floor with underfloor heating that will also run into the extension. What is going to be the best floor construction to ensure this goes as smoothly as possible. I.e. getting the levels to match between...
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    Bay Window

    Hi all, Looking for some advice regarding bay windows: Insulation and VCL. (See attached detail). What’s shown is a warm ventilated (with battens) lead bay roof. I’m pretty sure the detail I have is incorrect as the timber joists do not have insulation between, resulting in a cold spot between...
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    25% Glazing/Openings and Unheated Areas

    Seems like a silly question but as far as i'm aware the regs doesn't make it obvious.. If you are building an extension where you have used up 25% of the allowance already,but you need to add another opening to the existing structure, in this case an external door into the garage, would this add...
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