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  • I'm finally getting round to building this, and think I'm done with the design.

    It's roughly 3.5m x 5m on the outside, with an office on one side, and a shed on the other

    To stay within permitted development, it will be 2.5m high at the highest point, with a 1.5 degree pitch.

    It's mostly going to be timber framed & clad, with aluminium bifold doors on the office, and aluminium framed roof & rear windows.

    I say mostly, as I may have a steel frame for the door opening, so that there's no door problems caused by expansion / contraction of the wood.

    The foundations will be 300mm diameter x 600mm deep reinforced concrete pilings, and the floor frame will sit on adjustable pads.

    The office floor will be insulated with 100mm PIR, chipboard, then various layers to give me underfloor heating.

    The shed floor will be t&g chipboard, then a 5mm rubber mat.

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