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    Extension - insulation very expensive!? alternatives?

    Hmm, I will check with the designer, I know he subs the building regs work out to someone else. I must say I was a little surprised when I saw the spec! I am assuming building control won't request to amend them when they are checked? I'm not sure whether to phone them and ask what they would...
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    Extension - insulation very expensive!? alternatives?

    Hi We have received our full plans back from the architect and we have endless amounts of Celotex needed. They said: 70mm Celotex CG50000 cavity wall: 0.19 uvalue when finished 70mm Celotex FR5000 ground insulation: 0.20 uvalue 150mm Celotex FR5000 roof insulation and 40mm...
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    steel beams for extension - replica wood? Alternatives?

    I was having a good nosey at the oak casings last night, we'd be doing it ourselves but my only concern was getting hold of wood that looked old. I don't want to go for the 'new wood' look, I like all the cracks and uneven surface - I've set the hubby on a task to get prices for the wood but...
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    steel beams for extension - replica wood? Alternatives?

    We are just starting work on our two storey extension at the back of our cottage. Approx. measurements of the extension are 5.6 x 6.6m internal. Plans have suggested a steel beam across the first floor to support the joists for upstairs, 5.6m in length (as far as I can see this is hidden in...
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    DIY extension - roof

    Thanks maltaron, that's interesting to know. I am assuming the trusses are far quicker to install as well. When you mention the structural calcs that they provided - is that to satisfy the building inspector against the drawings that would have been in your original plans?
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    DIY extension - roof

    we got 1:50 but unfortunately no pretty trees or people :(
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    DIY extension - roof

    Thank you for all your replies, they really are very helpful. I want to push to get full drawings done, I too was surprised that our architect suggested building by notice, freddymercurystwin – you are probably right and maybe he has too much on. The only thing I don’t want to do is pay...
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    DIY extension - roof

    Yes i totally agree... specifically because Im a control freak and like a plan to stick to - unfortunately the others don't agree and feel confident doing it by notice, which hasn't help with our architect actually pushing us to do it by notice as well. anyway, my reason for asking on here is...
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    DIY extension - roof

    Hi We have just had our planning permission granted for two storey extension and will be building by notice. Quite a few family members are in the trade including my husband so will be doing all the work (apart from the bricklaying) ourselves. I am trying to do all the research/prep...
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