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Raft foundation for house extension, how much extra will it cost?
Looking for some advice please.
We have been told today that our extension will require a raft.
roughly how much more does this cost as opposed to normal footings?
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4 Replies
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Another 2-3k on top of footings cost depending on spec and Area covered
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That’s for a raft we did cost £1500 for the steel then there was £3600 of concrete went in (you need two pours for a raft)
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Why do you need a raft? Have you got a geotechnical report or is there another reason?
Also, do you mean a ground bearing raft or a piled raft? The second will be considerably more expensive than people are telling you.
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It cost me about 30% more to have an engineered raft, than a standard trench fill foundation.
We had trees and conifers nearby, so the Building Inspector made us go that way.
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This reply was modified 2 months, 4 weeks ago by Charles Bryden.
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This reply was modified 2 months, 4 weeks ago by
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