The holy grail of home extensions is basically the need for additional space for living as well as leisure. However, before commencing your home extension project, you’d probably want to know just how big your new building can be. In this article, you’ll find the answer to this question which is also frequently asked by many other home or property owners in the UK.
Besides your budget, there are two other major influencing factors that can determine just how much extra room that can be added. These factors include whether you wish to carry out the extension project under Permitted Development rights which is usually for a smaller project or you’d prefer to opt for a larger project which is covered by Planning Permission.
Apart from the limitations in the size of an extension under Permitted Development, the extensions are also a lot more affordable and consumes less time when compared to the extensions under planning permission. So what exactly is the size limit for an extension under Permitted Development and the ones under Planning Permission?
For a single storey extension, the maximum size that can be constructed without having to submit an application for Planning Permission includes:
• An extension should have a maximum length of 6m, if you reside in a terraced home or a semi-detached property.
• Extensions for detached properties can have a maximum length of 8m.
• The extension built must not go beyond half your garden’s area.
• The extension should have a maximum height of 4 metres, but in the event whereby the extension is situated within 2 metres of the boundary of your property, it should not exceed a height of 3 metres.
• The extension should not be higher than the highest part of the existing house’s roof.