Do I need Steel for this?

24 Aug 2009
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United Kingdom
Hi all,
I wonder if I could ask 2 questions?
1. Would anyone know if I’m going to need steel in this floor structure? I’m planning on a loft conversion as the floor structure is, without the need for steel supports. The wall in pic is a supporting wall (I’ve checked this with builder who looked at footings before). The ends of the timbers are resting on house wall. The house is your typical 1930’s semi-detached with hip end roof. I’m hoping for permission for hip to gable (not a hip dormer) and a dormer at the rear. 2. My 2nd question then would be, I know a steel truss would be needed if a dormer was built at the rear, and obviously the steel truss would run from party wall to new gable wall. But if only a hip dormer is permissible, the steel truss would run from party wall to where? It couldn’t be supported on a timber constructed hip dormer so how would that work? Does anyone have any links to this layout? I've posted this in building forum also as I have 2 questions which relate to each other. I live in Wales and have already used up my PD allowance (':(')

Many thanks in advance,
View media item 91225 :cry:
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