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Extensions

Minimum height for 17.5 degree pitched roof

Anonymous user 9 March 2024 - 2.45 PM

Hi, my neighbour and I are planning a joint extension. My architect has drawn plans with a 15 degree pitched roof on a 3m extension, my neighbour and I are wanting a 17.5 degree pitch but the architect says it's not possible. We have accurately measured the critical dimension between the ground floor level and the underside of the first floor bedroom sill, and this is 3510mm. Is there an easy way to establish that a 17.5 degree pitch would work with this height?

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1 Answer

Anonymous user

Hello, 17.5 degrees pitch over 3m width of the extension should come out approximately 916mm. Hope this helps. Michael Smyth
Answered9 December 2016
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