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Do I need planning permission to raise garden level?
Raising your garden level a small amount is likely to not require planning permission as it is likely to have minimal impact on the chances of flooding or overlooking your neighbours.
Increases of over 30cm may require planning permission as a significant change can impact drainage or your neighbours. If the changes are close to a boundary, you should consider whether it will overlook your neighbours or be intrusive.
You should contact your local planning authority to understand whether your proposed changes will require planning permission.
Common Questions
Adding an internal wall will not require planning permission or building control approval in most cases. If the building is listed, then you may require listed building consent to make a major alteration to the house.
Any work completed should adhere to building regulations, ensuring fire routes, electrics and ventilation are considered.
Many homeowners choose to replace their traditional polycarbonate conservatory roof with a solid tiled roof for better thermal efficiency.
If the change significantly alters the structure or appearance of the roof, then planning permission may be required. Most alterations to roofs are considered permitted development, providing they meet the limits set out in legislation.
A new roof must comply with building regulations to ensure it is structurally safe, energy efficient and properly ventilated.
A single storey rear extension can fall under permitted development, meaning planning permission may not be required providing it meets certain criteria.
In terms of height, the extension must:
- Be no taller than four metres at its highest point
- Have eaves no higher than the eaves of the original house
- Not exceed the height of the original dwelling
Read about planning permission for extensions on Planning Portal
In many circumstances, rules known as ‘permitted development’ rights allow you to extend a house without needing to apply for planning permission, providing specific limitations and conditions are met. If you want to exceed these limits and conditions, then it is likely that an application for householder planning permission will be required.
The limits and conditions for building an extension under permitted development rules are covered in our guidance on the Planning Portal, and there are other points to take into consideration.
Visit Planning Portal to find out more.
Building a porch at ground level and under 30 square metres in floor area is normally exempt from the need for building regulations approval.
This is provided that glazing and any fixed electrical installations comply with the appropriate sections of building regulations.
To find out more about the building regulations for porches, visit Planning Portal.
Find out more about glazing and electrical installations
