Is Planning Permission or Building Regulations Consent required?
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| DO I NEED PLANNING PERMISSION TO BUILD A.... | A = YES | B = YES | NO |
House Extension |
Planning Permission is necessary if your property has specific restrictions, regardless of the extension's size. Email us for further guidance. Ensure you obtain Building Regulations approval before beginning work. | Planning Permission is required if the extension exceeds 50 cubic meters on a terraced property or 70 cubic meters otherwise. If earlier extensions have already utilized these allowances, or if the extension exceeds 4 meters in height or is between the property wall and the highway, Planning Permission is necessary. | If neither A nor B apply, you do not need Planning Permission. |
Porch |
Planning Permission is required if the porch exceeds 3 square meters (external measurements) and if your property has special restrictions. For more details, email us. | You do not need Building Regulation approval if the porch is under 30 square meters, the door remains unchanged, and the glazing meets approval document N (safety glazing). | If neither A nor B apply, Planning Permission is not needed. |
Conservatory |
Since a conservatory is considered a house extension, Planning Permission might be needed if there are specific restrictions on your property. Email us for more information. | Building Regulation approval is not needed if the conservatory is less than 30 square meters, the door or window remains unchanged, and the glazing complies with approval document N (safety glazing). | If neither A nor B apply, you do not need Planning Permission. |
Conversions/Dormer Extension |
For dormer extensions at the front of your property, both Building Regulations and Planning Permission are required. However, dormers at the rear may not need Planning Permission if they adhere to specific criteria. Additionally, a loft conversion will require Building Regulation Consent. | Planning Permission may not be necessary for rear dormers if they do not exceed 40 cubic meters or go above the ridge line. | If neither A nor B apply, you do not need Planning Permission. |
Detached Garage |
Planning Permission is required if the garage is within 5 meters of the dwelling or exceeds 3 meters (flat roof) or 4 meters (pitched roof) in height, especially if there are specific property restrictions. Email us for additional details. | You need Building Regulations Consent if the garage is within 1 meter of the boundary unless it uses non-combustible materials. | If neither A nor B apply, Planning Permission is not needed. |
Carport |
Planning Permission is necessary if the carport exceeds 30 square meters or does not comply with house extension rules. For more guidance, email us. | Building Regulations Consent is not required if the carport is less than 30 square meters and is open on two or more sides. | If neither A nor B apply, you do not need Planning Permission. |
Garage Conversion |
Building Regulations Consent is required to convert a garage into a habitable space. For more information, email us. | Planning Permission is generally not required for garage conversions. | If neither A nor B apply, Planning Permission is not necessary. |
Walls and Fences |
Irrespective of size if your property is subject to any special restrictions. Email us if you are unsure and require further guidance.. |
Planning Permission required if over 1 metre when adjacent to a road or 2 metres in other cases. Building regulations Consent is not required for boundary walls and fences.. | If neither A and B don’t apply. |
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