Garage conversions - 5 things you need to know







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A garage conversion is one of the most affordable ways to add living space to your home, with the added bonus that there is minimal disruption to the rest of your home. It's also a brilliant way to get rid of all of the junk that's often stored in a garage and transform it into something amazing!

Here is what you need to know before you start a garage conversion.

1. How much does a garage conversion cost?

The costs of a garage conversion will vary depending on its current condition, what it's going to be used for and where you live in the country.

Expect to pay anything from £10,000 for a single integrated garage with a basic finish. However, if your garage requires significant work such as changing the roof or reinforcing the foundations, expect to pay from £20,000 for a single garage without fitting.

Our fantastic cost estimate tool will give you a high level estimate of the cost of a garage conversion to help you get started!

2. Do I need planning permission for my garage conversion?

Garage extensions are normally within permitted development as you are not actually changing the structure.

There are some conversions that you must always seek permission for, such as if you live in a conservation area, a flat or maisonette, or if the garage is a separate building. You should always consult your local authority and confirm whether your plans are within the permitted development.

You can apply to your local council for a lawful development certificate. This is proof that your garage conversion was done lawfully and didn't require planning permission. It's particularly helpful for any queries should you wish to sell your home in the future.

Do look out for any restrictive covenants on your property, particularly if it's in a new build property. 

3. What about garage conversion building regs?

If you are converting a garage into a room (or even part of your garage), you will need to ensure the converted building complies with building regulations, even if you don't need planning permission. Building regulations checks will include the following:

  • Fire safety
  • Drainage
  • Ventilation and insulation
  • Electrics 
  • New structure 

A structural engineer will be able to complete the drawings required for building control and often can apply for building regulations on your behalf, but do confirm that they are covering this off. You should get a completion certificate 8 weeks after completion - make sure you receive this!

To find out more, read your guide - garage conversion building regs.

4. Do I need an architect to help with my garage conversion?

Normally you don't need an architect as the layout is simple and in most cases you won't need to submit a planning application. However you may want to work with an architect if you are knocking your garage through to create a larger kitchen, for example.

5. Should I use a specialist garage conversion company?

A specialist garage conversion company will be expert in this area and can handle the end to end project for you from the design to decor, although you may pay a premium for this. An experienced builder will be able to carry out your garage conversion easily.

Ready to start planning your garage conversion? Head over to our checklist to guide you through every step of the way!

Published: December 10, 2018

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