What you need to know about building above your garage

General, Home extension

Building on top of your garage is a great way to maximise your space. It can vastly increase the size of your upstairs meaning that you’ll have the room to create another bedroom, another bathroom, or whatever else you can think of – the world is your oyster! Home ExtensionSo, what do you need to know?

First things first, check whether you’ll need planning permission or not. It depends entirely on your circumstances, so consult your local building council before getting your hopes up.

You need to know that it is likely you are going to have to demolish your existing garage. Despite what many people think, it’s not just a quick case of removing the roof and building directly on top of it. If you were to do this, it’s likely that the floor would fall through, definitely not what you want! You can also find that the foundations of the garage itself will not hold out if you build on top of what already exists. Therefore, it’s vital that you do your research and consult a professional who will be able to advise you on the course of action that needs to be taken.

Is your garage attached or detached? If it’s detached then you will need to think about access to the room which will consist of installing a staircase. Remember that by building on top of a detached garage, you are essentially creating a private annex, perfect for any house guests, or if you have older children who want their privacy. If it’s attached then you need to consider whether or not you’re blocking any existing windows, or again, if you need to install a staircase. After all, if you’re creating another bedroom, do you really want to have to go through an existing bedroom to get to the new one?garage extension

You need to consider what size of garage you have. If you have a single one, then it’s obvious that the new room is going to be smaller than if you have one that’s double. Either way, extending up there is going to be beneficial, but you do need to be realistic about what it is that that room’s going to be. For example, you couldn’t have a gym in a room which is more appropriately sized for an ensuite bathroom! The size of the garage will also affect how much the work is going to cost you. You’re typically looking at around £15,000.

The last thing that we think you need to know, is how much value building above your garage can add to your property. It’s been proven that it can increase it by up to 20%, particularly if you add an extra bathroom or bedroom, so as you can see, it’s definitely a worthwhile investment.extension over garage

Hopefully we’ve helped to give you some insight. If you have any further questions or comments, make sure to let us know!

2 thoughts on “What you need to know about building above your garage

  1. We are considering converting our garage and then building above it to become a bedroom with an ensuite (this would be a small extension above the back of the house behind the garage).

    Who do we need to contact to find out about whether our foundations are strong enough? And for planning permission?

    • Hi Adam, pop your postcode into the search on our main site, Home&Build, http://www.homeandbuild.co.uk/#mylabc, and it will give you the contact details for your Local Authority Building Control office – they should be able to give you guidance. Also, once you’ve done the search you should be able to view any official Homeowner Guides that have been published in your area which contain guidance and contact details of local businesses that should be able to help with your project.

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