A Guide to Garden Room Planning Regulations:
What You Need to Know?
Adding a garden room is one of the simplest ways to create extra space without the hassle of a full house extension.
Whether you’re dreaming of a home office, wellness retreat, or a space for entertaining, it’s natural to wonder: do I need planning permission? In most cases, the answer is no — but there are important rules to know.
In this guide, we’ll cover the key points to help you plan your garden room with confidence.
Do Garden Rooms Need Planning Permission?
In most cases across Wales and the UK, garden rooms fall under permitted development. That means you can build without applying for planning permission — as long as certain conditions are met.
At Nestive, we always check for you during our design stage, so you don’t have to worry.
Key Rules for Permitted Development
To stay within permitted development, your garden room usually needs to:
Be single-storey with a maximum height of 2.5m (if within 2m of your boundary)
Not take up more than 50% of your garden space
Not include a balcony, raised platform, or veranda
Be used for incidental purposes (e.g. office, gym, studio, not as a separate home or bedroom)
Where Planning Permission May Be Needed
There are situations where you might need permission, including:
If your property is listed or in a conservation area
If you want a larger or taller structure
If your garden room will be used as separate living accommodation
Again, we guide you through this — it’s part of our service.
Nestive Garden Rooms:
Designed with Regulations in Mind
At Nestive, our bespoke timber garden rooms and container garden rooms are designed to fit your space, style, and local planning rules. We handle checks and help you with any applications if needed, so you can focus on enjoying your new space.
Ready to Plan Your Garden Room?
Thinking about creating a garden room that works all year round? Let’s chat.
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