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Additional storeys/Extending upwards

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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Additional storeys/Extending upwards

Additional storeys/Extending upwards

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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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