Do you need planning permission to replace a flat roof with a pitched roof?

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Converting your flat roof to a pitched roof provides a number of benefits. The change from a flat roof to a pitched roof is a complex renovation project, so before you begin work, it is important to work out whether you need to apply for planning permission.

Planning Permission

Converting your flat roof to a pitched roof does require planning permission, as any alteration that is higher than the highest part of the existing roof requires approval. Depending on why you want to replaces your roof also means that you have to comply with different rules. For instance, if you are planning on increasing the amount of space within your home, you must also adhere to the rules regarding loft conversions.

Before you start any work, you must make sure you submit an application. Whether planning permission is granted depends on a number of factors, and ultimately you may find you need to alter your plans in order for permission to be granted. Permission can be denied for a number of reasons and different rules apply to flats, maisonettes, and other buildings, so it is worth visiting the Government’s Planning Portal for further information.

Building Regulations

Your roof conversion will also need to comply with Building Regulations and meet certain standards. For instance, if it likely that you will need to make improvements to the thermal insulation during re-pitching as more than 25% of the roof is being replaced.
Metrotile manufacture lightweight roofing tiles that are suitable for low pitch roofs and for use in re-pitching. Constructed from steel, the thin tiles take up minimal room, have a 40 year weatherproof guarantee, and have the appearance of traditional roof tiles. For more information about our tiles please get in touch by calling us on 01249 658 514 or filling in our contact form.