Kitchen Extensions

How to Budget, Plan and Design a New Kitchen Extension

Kitchen extensions are one the most common ways people choose to extend their homes. Traditionally, kitchens were functional spaces, and this means that in a lot of existing properties, kitchens are quite small.

A well-designed kitchen extension can increase the value of your home and make it much more comfortable.

For great kitchen extension ideas, take a look at the images below or for more inspiration go to our blog.

How Much Does a Kitchen Extension Cost?

Rear Extension

If you lack the space needed for a side return, you might consider a rear extension. This will take your kitchen out into your garden, meaning its worth considering how much green space you’re willing to lose during the design stage.

As with all extensions, prices can vary but on average you can expect to pay on average £30K + VAT in London and £20k + VAT upwards in other areas of the UK.

Wrap around extension

A combination of a side and rear extension, the wrap around gives a dramatic makeover to your kitchen. The extra space provided makes open plan living a dream, as you can easily combine your living, kitchen and entertaining areas with your new addition. Perfect for growing families.

Expect to pay £65k + VAT in London and £40k + VAT upwards in other areas of the UK.

Side return extension

The small but mighty option. To look at, a side return extension isn’t a huge add on to your property, but often generates a lot of new space within your kitchen. Not only that, they can be very reasonable in terms of cost.

On average, in London, you can expect to pay £50k + VAT and a lot less in other areas of the UK.

Side and Rear Extension

These are normally added to homes with a large garden space. If you have room at the side of your home, you may also want to consider a side extension for £20,000 to £120,000.

We can choose the most suitable Extension Type for you and your home.

Will I Need Planning Permission for a Kitchen Extension?

If you are going to be adding a kitchen extension to create your new multi functional space, then you may be covered under Permitted Development (PD) rights and therefore not require planning consent.

However, bear in mind that if your house is in a Conservation Area or national park, the amount of work you can do under PD is usually reduced and you may require planning permission.

To be covered under PD rights, a single-storey extension should:

  • Be a maximum height of four metres
  • Not extend beyond the original rear wall of the house by more than six metres if it is an attached house (i.e. semi-detached), or eight metres for a detached home
  • If you are adding a side extension, this must be single-storey with a width of no more than half that of the original house
  • Materials to be similar in appearance to the existing house.


Planning The Layout of Your Kitchen Extension

While many people extend to be able to create a larger open plan kitchen, this isn’t the only option available. Broken plan is a riff on open plan spaces, which offers the best elements of an open plan kitchen — light, open sightlines — with the benefits of having more defined areas and divides between spaces, such as less noise and food smells when using physical partitions, or just a sense of a more intimate space when using spatial divides.

How Long Will a Kitchen Extension Take to Built?

Project time depends largely on large your kitchen extension will, whether you need planning permission or not, the type of interior fit-out, and specifications you choose. A single storey kitchen extension, for example, will on average take 12 weeks to construct, however if you are specifying underfloor heating this will add to the time.

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Is a Small Extension Worth It?

First off, you’re not the only person to have wondered about the relative value of adding an extension on to your property. The matter has been researched many times, and plenty of statistical evidence is available to back up the claim that – in general, at least – a home extension is something to consider if you’re thinking of adding value to your property. According to research from the past few years, in England and Wales, a home extension which measures 25 square metres can add around £59,000 to a property’s sale price – but in London, this can jump to as high as £169,000 in some areas.

Even a small extension is worth it and can add value to your property, by increasing the length or width of your home. It can add value to your experience of your home too, adding more than just financial value to your property.

Kitchen Extensions In UK

We work with our clients for amazing kitchen extensions in Sheffield, Richmond, Wandsworth and across the whole UK!

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Would you like to extend your kitchen to gain a bigger space for your family?

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Bogdan T.

Architectural Technician

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