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A beginner’s guide to pitched roof rear extensions

If you have an unused space available at the back of your property, a pitched roof extension can be an amazing way to maximise it.

2 min read

The space available at the back of many properties is often underused or completely wasted due to its awkward location. So, if you’re thinking about maximising your available space, rear locations are a fantastic way of achieving this. Pitched roof rear extensions are an increasingly popular choice for rear extensions thanks to both their practicality and unique style. If you’re considering a pitched roof rear extension as a route for boosting space in your property, use this as a beginner’s guide to lead you through.

Why choose a pitched roof rear extension?

Not only are pitched roof rear extensions attractive to the eye, they’re also renowned for their longevity over their flat roof counterparts. Because of their angled position and the strength of building materials they’re usually constructed with, a pitched roof can far outlast a flat one. They have great drainage so any potential water damage from pooling can be avoided and also offer higher ceilings which can enhance the airiness of a room. What’s more, a pitched roof rear extension can add value to your property, making construction a valuable investment for your future. Learn more about the pros and cons of pitched and flat roof extensions in this guide.

Pitched roof rear extension

What permission do you need for a pitched roof rear extension?

Planning permission may not be needed for this type of extension if…

  • The extension is less than 6 metres in length
  • The width is less than 4.5 metres
  • The extension doesn’t extend beyond the wall line of your property
  • The minimum depth of the proposed extension is 3 metres from the wall face (this is to ensure that the extension doesn't cause problems with drainage, and also helps to prevent rainwater running off the roof into your home).

You must apply for planning permission if…

  • Your proposed pitched roof rear extension is more than 3 metres high or 5 metres wide, measured from its outer edge at ground level.
  • if you want to add a new window or door, if you are extending a conservatory across two or more walls.
  • You want to change how big a floor area is within an existing building that has been converted into living accommodation (for example converting part of an existing garage into living space).

To learn more about which options are available, book an advice call with one of our consultants.

If a pitched roof rear extension sounds like it could be for you, take the first step and get a quick quote to see how much it could cost you.

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