Building a Garden Room With Toilet and Shower

Can I add a toilet or shower in my Garden Room? 

This is a common question among homeowners looking to enhance the functionality of their outdoor spaces, especially Garden Rooms. 

With PMG Garden Rooms’ years of expertise in creating bespoke Garden Rooms in St Albans, we’re here to guide you through the possibilities and considerations of integrating a toilet into your garden retreat, ensuring it meets both your needs and regulatory requirements.

We’re going to walk you through all the essentials of crafting a Garden Room with a bathroom, touching on everything from getting your electricity sorted to figuring out the drainage system. Keep reading to discover everything you need to know.

Can You Put a Toilet in Your Garden Room? 

Yes, you can put a toilet in your Garden Room. 

Adding a toilet (and even a shower) to your Garden Room is a fantastic way to boost its convenience and functionality. Whether you’re crafting a home office, gym, or a chill-out spot, having these facilities close by means you can enjoy your garden room to the fullest without having to trek back to the main house. 

What about plumbing, water supply, and possibly planning permissions? 

We’re here to guide you through it.

Planning Permission and Regulations

The first step is to navigate the planning permissions and building regulations. While Garden Rooms often fall under permitted development, adding a toilet introduces additional considerations, such as connections to water and sewage systems, which may require approval. 

Water Supply and Waste Management

A crucial logistical aspect is ensuring access to a water supply and a proper waste management system. This might involve connecting to your home’s existing systems, which could require significant groundwork and planning to ensure everything operates smoothly and complies with environmental standards.

Electrical and Plumbing Requirements

Incorporating a toilet means adhering to strict electrical and plumbing standards. Professional installation is essential to meet safety codes and regulations, underscoring the importance of involving certified professionals in the project.

Design Considerations

The addition of a toilet will influence the design and layout of your Garden Room. Thoughtful planning can seamlessly integrate this feature without compromising the aesthetics or functionality of your space. Customisation options are plentiful, allowing you to tailor the Garden Room to your specific preferences and lifestyle needs.

How to Add a Toilet to Your Garden Room?

Initial Consultation and Planning

Start with a clear vision and plan. Consult with specialists to make sure everything runs smoothly and without any problem. This stage is about defining your requirements and exploring how a toilet can be accommodated within your Garden Room design.

Professional Assessments and Permissions

Engage with professionals for an assessment of your property to understand the feasibility of adding a toilet. This includes any necessary applications for planning permission or building regulations approval.

Construction and Installation

The actual construction involves several steps, from laying the foundations to installing the plumbing and finishing the interiors. Each phase requires precision and expertise to ensure the final product is functional, compliant, and aesthetically pleasing.


Q: Do I need planning permission to add a toilet to my Garden Room?

A: It depends. For many Garden Rooms, adding a toilet will require you to navigate through some planning permissions and building regulations, mainly because of the need for water and waste connections. The key is to check with your local council before planning.

Learn more about planning permission here.

Q: Is it expensive to add a toilet to a Garden Room?

A: The cost can vary depending on the complexity of the installation, such as how far your Garden Room is from the main water and sewage lines, the design of the bathroom, and the quality of the fixtures you choose. 

We recommend setting a clear budget from the start. Whatever your budget, we’re here to help you get the best value and ensure your Garden Room bathroom is both beautiful and functional without breaking the bank. 

Learn more about how much does it cost to plan a garden room

Q: How do I connect the water and waste systems for my Garden Room toilet?

A: Connecting your garden room toilet to the main house’s water and sewage system is essential. This involves planning the route for water supply and waste pipes, which might require digging trenches. 

Q: What about electricity for lighting and maybe a heated towel rail?

A: You’ll definitely need an electrical supply for lighting and power, and if you want those extra cosy touches like a heated towel rail, that’s totally doable too. Safe electrical installation is key, so it’s another task for the professionals, however, the key is to make sure your Garden Room has all the electrical fittings it needs, safely installed to power your perfect retreat.

Q: How long does it take to add a toilet to a Garden Room?

A: The timeline can range depending on the project’s specifics – from the initial planning and permissions phase to the actual construction and fitting of the bathroom. Generally, it will add 1 to 2 weeks extra to the usual installation process.. 

Got more questions?

Don’t hesitate to reach out! Whether you’re just starting to dream up your Garden Room or you’re ready to dive into the details, we’re here to make the process as straightforward and enjoyable as possible. 

Let’s create a space that’s truly yours, toilet and all!

If you’re considering adding a toilet to your Garden Room or have any further questions, reach out to PMG Garden Rooms. With over 40 years of experience and a passion for creating bespoke outdoor spaces, including specialised Garden Rooms in St Albans, we’re here to help you realise your vision.

Our expertise in navigating local regulations and our commitment to quality ensure that your garden room will not only meet your needs but also comply with all necessary standards.

Contact us today to begin planning your ideal Garden Room, tailored to the unique charm and requirements of St Albans.