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Additional storeys/Extending upwards
Do You Need Planning Permission to Add Storeys?
Building Regulations: An Overview for Upward Extensions
Structural Integrity: Walls, Foundations, and Floors
Fire Safety Measures
Designing Your New Stairs
Essential Ventilation
Achieving Energy Efficiency
Designing Your New Stairs
When you're planning to add more floors to your home, a new staircase is an absolute necessity. Its primary role is to ensure adequate fire safety throughout your dwelling. Furthermore, for the general well-being of everyone using it, this new stair must adhere to a specific set of design criteria.
Creating the Opening for Your Staircase
To carve out the space required for your new stairs, you will typically need to cut into some of the floor joists. These are the horizontal beams that support the floor structure between your existing and new levels. Crucially, you must then install replacement support for any joists that have been altered or removed.
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Disclaimer
This guidance is for general information only and is not legal advice. Planning requirements vary by council and property. You should check your local planning authority's specific requirements before submitting an application or starting work. This guidance applies to England and Wales. When in doubt, contact your local planning authority or seek professional planning advice.
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