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Loft Conversion and height above existing staircase

Discussion in 'Floors, Stairs and Lofts' started by adamjth, 16 Apr 2016.

  1. adamjth

    adamjth

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    I am in the process of considering a loft conversion for our house so I have had two loft conversion companies in to quote. Both of them have looked around and given the thumbs up to do the job and duly quoted proposing a double winder staircase to go over the top of the existing staircase into the loft. Since this time I have had an independent builder in to also quote for the job but he baulked at the idea of installing the staircase in the way the loft companies proposed. I have since looked online and see that there is some regulations about having two metres clearance above the stairs pitch line and I am not totally sure we meet this criteria (depends how you measure it and where). So can someone clarify this for me please - please point me to a official relevant link or explanation. I have another Loft company coming around this week and I want to be clear before I get the sales pitch :)

    thanks

    Adam
     
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  3. tony1851

    tony1851

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    Yes, you need 2m vertical clearance above the pitch line. But if the stairs are coming up under a sloping roof, you are allowed a reduced headroom of 1.8m at the side of the stairs, as long as there is 1.9m above the centre of the stairs. Google 'Approved Document K', which has the diagrams.
     
  4. adamjth

    adamjth

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    Thanks - that exactly what I needed.
     
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