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Additional storeys/Extending upwards

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Building regulations: stairs

Fire & general safety

To ensure adequate fire safety for the dwelling a new stair serving the new storeys will be needed.

For general safety reasons, there are specific criteria that a stair should be designed to.


Opening for new stairs

This would normally be formed by cutting away some of the floor joists between the new and existing storeys. Replacement support should be provided.


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Use our partner directories from CIAT, FMB or RTPI to find an chartered architectural technologist, builder or planning consultant to help with your project or development.

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Useful links

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Studio Charrette planning consultancy calculator (https://planningportal.pp.tqinfra.co.uk/permission/home-improvement/planning-consultancy-calculator)

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      The Planning Portal is delivered by PortalPlanQuest Limited which is a joint venture between TerraQuest Solutions Limited and the Ministry of Housing, Communities & Local Government (MHCLG). All content © 2024 Planning Portal.

      The Planning Portal is delivered by PortalPlanQuest Limited which is a joint venture between TerraQuest Solutions Limited and the Ministry of Housing, Communities & Local Government (MHCLG). All content © 2024 Planning Portal.