types of extension


Many homeowners dream of a bigger kitchen and, according to Which? Magazine, a new kitchen can add up to 6% to the value of your property. So, it’s no surprise that kitchen extensions are popular with homeowners looking to extend. The extra space gained from having an extension can mean that it may be possible to have a large, light-filled kitchen diner – a space the whole family can enjoy.

The type of kitchen extension you might be able to have will depend on the type of property you own, the specification and your budget.

Two of the most popular types of extensions for kitchens are side return and rear kitchen extensions. These types of kitchen extensions tend to be straightforward and suit a typical UK property; for example, if you own a terraced house, it’s usually only possible to opt for a rear kitchen extension.


This is a side return extension combined with a rear extension.  The wrap around extension can provide maximum space and dramatically alter the feeling and shape of your home. If you want to achieve an open plan kitchen, dining area/family room in your home, then a wrap-around extension is the best option for you. Started by American architect Frank Lloyd Wright, open plan living has become ever more popular in the UK. This type of space works well for growing families – especially when the children are small.

One of the benefits of the wrap-around extension is the ability to create a stronger connection to the garden. Many homeowners opt to design indoor-outdoor spaces that bring the outside in. This is achieved by the use of a bi-folding floor to ceiling door, as well as skylights and lightwells which let in plenty of natural light. Another way to achieve flow between your house and garden is to build a deck or patio that is on the same level as your home.


Whether you live in a ground floor apartment, a terraced house, a detached property, a semi-detached or a period home, a rear extension can be a great way to add more space to your house. Many homeowners use the space created by a rear extension differently.


Some opt to create a large open plan living space that incorporates a kitchen, dining area and lounge, while others have chosen to use the space to give them a utility room as well as a large family kitchen. However, if you plan on using the space, a rear extension will not only change your home for the better, it can also transform your home life.


Single story rear extensions add extra square footage to your house on the ground floor. Typically, less expensive than a double story extension, single-story extensions are ideal for kitchen extensions. They also have the benefit of opening up the back of the property and create a seamless flow into the garden.


f you have a growing family and you don’t want to move to a new house – a double story rear extension may be what you need to gain the extra square footage you crave. Whether you want to add an extra bedroom, build a large open plan kitchen-diner or create a much-needed study, a double story extension offers flexible space for you and your family.


A front extension can be a fantastic way to put your own stamp on the appearance of your property. There are however certain rules and application processes you have to go through first however. At CB Roofing & Building we can help your through every step of the process.

Options for front extension include a double storey extension with garage, the addition of a porch or an extension and conversion of an existing garage space 




The cost of an extension depends on a number of factors, with the size of the extension and the specification having the greatest impact. The bigger the extension and the better the specification, the greater the cost. 

Other factors to consider include: the soil type (which can affect the foundations), what the extension will be used for (kitchen, bathroom, bedroom etc), how much glazing you specify, and professional fees for architects, structural engineers and planning permission.



Certain types of extensions and alterations can be carried out without the need for planning permission under what are called "permitted development" rights. However, please be aware that separate approval under building regulations or listed building consent may be required, even where planning permission is not required. 

If you are unsure on whether planning permission will be needed, or how likely the project will be accepted, you can contact your local council for pre-application advice.


There are numerous benefits to an extension or alteration of your property, the most obvious is additional living space, whether that's creating an open plan living space, a two-storey extension to create an extra bedroom, or a rear extension to your kitchen. 

Adding an extension to your property is also a great way to avoid the costs of moving house if you are looking for an extra bedroom or greater living space. Developing your own home can often be the most cost-effective option in search of additional living space.


The value of your house is also likely to rise with the addition of an extension. In some cases, an extension can add an extra 23% to the property value, according to research by Nationwide bank.

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