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What is a wraparound house extension?

A wraparound extension is the combination of a side return and rear extension. This type of extensions gets its name because it quite literally wraps around the house to create an L-shaped space.  

This design can be built as a single or double storey, allowing you to add more width to the side of your home, while building onto the garden provides you with additional living space to the rear. Therefore, building a wraparound extension will not only transform your home, but it will also add significant value to it.  

Why choose a wraparound house extension? 

There are a variety of design options when it comes to wrap around house extensions, meaning they are extremely popular for those who own either traditional or contemporary houses. If you live in a densely packed area, then a wraparound extension will help you to optimise the redundant space around the side of your home, without taking up too much of your garden area.   

The open plan design of the extension can give you a bigger sized kitchen and dining room, while the additional living space also allows for new rooms, including a home office, playroom, or utility room. Having a wraparound extension also means you can install a multitude of windows, which will in turn increase the amount of natural light getting into your home. 

Do you need planning permission for a wraparound extension?  

Adding a side return or rear extension separately, will generally fall under permitted development. However, when these are combined to make a wraparound extension, planning permission will most likely be needed.  

The best way to ensure that your application does not get rejected is to hire an architect to both design and submit your project for planning. Employing a good, experienced architect will allow you to avoid the common mistakes, that so often derail applications. 


Your architect will make sure that your planned wraparound extension does not block your neighbour’s sunlight, or negatively impact on the character or appearance of the area. If for whatever reason your application does get rejected, your architect will be instrumental in adjusting the design of your extension.

How long does a wraparound extension take to build? 

Including fitting the kitchen, doors and finishes, your wraparound extension will take between three to four months to fully construct. When considering the design aspect and the planning permission application, the entire process could take up to six months. 

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