How Much Does a Garden Room With a Bathroom Cost?

Open Space Concepts

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January 6, 2025 2:41 pm
How Much Does a Garden Room With a Bathroom Cost?

Garden rooms with bathrooms are increasingly in demand as homeowners look for additional living space to use as anything from a home office to a games room. The cost of a garden room with a shower and toilet can vary considerably depending on what sort of construction you choose, but as a rough guide, you can usually expect to pay around £15,000 – £30,000.

At Open Space Concepts, we specialise in the design and installation of bespoke garden rooms and can work with a plumber to make your dream garden room with a bathroom a reality.

Get a FREE, no-obligation quote today by filling out our online enquiry form or giving us a call on 0808 168 0043.

What factors will impact the cost of your garden room with a shower and toilet?

Because our garden rooms are fully custom-made, there are a number of factors that will impact the final cost.

  • Garden room size: The larger your garden room, the more it will cost.
  • Design complexity: A garden room with a complex design will cost more than a very basic garden room.
  • Finish: The interior and exterior finishes, such as paint, cladding, and flooring, can also add to the overall cost.
  • Additional features: There are a variety of additional features you might choose to add to your glass extension for an extra cost, including LED lighting and remote-controlled blinds.

You should also consider the cost of plumbing and decorating. While the Open Space Concepts team can construct your garden room and fit the internal electrics for you, you will need to hire separate contractors for the plumbing and decorating.

What does the price include?

A garden room with a bathroom is a big investment, so you’ll want to make sure you’re getting good value for your money. At Open Space Concepts, our garden room price includes:

  • A high-quality structure crafted by top European manufacturers. Our garden rooms are made from double-glazed glass, durable aluminium, and insulated Japanese wood. This ensures they’ll stand the test of time and withstand even the harshest weather conditions.
  • Expert design consultation. Our design team will work closely with you to create a bespoke garden room that meets your every need.
  • Expert installation. Our team has over 30 years of experience in the industry, so you can count on us to install your garden room in just 1 to 2 days with minimal disruption to your daily routine. We’ll even sort all the internal electrics for you.
  • A 10-year warranty. This means that if you encounter any problem with the structure of your garden room, we’ll fix it at no additional cost for up to 10 years after the date of the initial installation.

Make an enquiry for an accurate estimate of how much your project might cost.

Establishing a budget for your garden room with a bathroom

Before you start spending any money on your garden room project, it’s important to first establish a budget. As well as considering the cost of the garden room itself, you’ll also need to factor in costs such as:

  • Plumbing
  • Decorating
  • Planning permission (if required)

Our team will work with you to design a garden room with a bathroom that stays within your budget while still meeting all of your specifications.

Contact us today for a free indicative quote that will help you start planning your budget.

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Where can I find more information about the cost of a garden room with a shower and toilet?

If you’d like more information about garden room prices or want to know how much your project is likely to cost, get in touch with the Open Space Concepts team today.

We’ll be more than happy to answer any questions you may have and can provide you with an indicative quote if you’ve already got an idea of how you’d like your garden room to be designed.

Don’t worry – there’s no obligation to make a purchase if you decide our garden rooms aren’t right for you, and we never use pushy sales tactics.

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Garden room with bathroom FAQs

Do I need planning permission for a garden room with a bathroom?

In most cases, garden rooms with bathrooms do not require planning permission. If your project does require planning permission, we’ll let you know and can assist you with the process to make it as easy and stress-free as possible.

Check out our guide on planning permission and building control for more information.

How well insulated are garden rooms?

Our garden rooms are fully insulated, thanks to a combination of double-glazed windows and insulated aluminium with Japanese wood. This makes them suitable for year-round use.

How long does it take to install a garden room with a bathroom?

Order to installation typically takes 12-14 weeks, but we’ll keep you updated on the progress of your order and give you an accurate installation date as soon as we can.

Once all the parts have arrived and we’ve agreed on an installation date with you, it typically takes just 1-2 days for us to construct your garden room.

Any plumbing required for the bathroom is out of our control and you will need to liaise with your plumber to find out how long it will take to complete.

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