THE BASTION GROUP
THE BASTION GROUP
Garden offices, studios and annexes, delivered complete across the UK
Bespoke Garden Rooms, Designed Around You
Precision-built off site and delivered ready to use, with a fixed price agreed before we start, no builders in your garden, and often no planning permission needed. Tell us what you need the space to do, and we'll design it, price it and deliver it.
Built bespoke, around how you'll live
We don't sell buildings off a shelf. Every Bastion garden room is designed around you: your dimensions, your layout, your finish. Whether you want a garden office, a home gym, a studio or an annexe, we build to your brief so the space works exactly the way you need it to.
That means no compromises and no wasted space. From the first conversation, we design around your garden, your budget and how you'll actually use the room, then finish it to a high standard inside and out. The result is a garden room that feels like a natural, considered part of your home.
Delivered complete, at a fixed price
Your quote is your price. We agree a transparent, fixed-price cost before any work begins, so there are no variations, no creeping costs and no surprises. You know exactly what you're paying from the very start.
Because your room is built off site and delivered complete, there's no building site in your garden and no trades coming and going for months on end. It arrives fully fitted and finished, ready to use from day one, with none of the mess or disruption of a traditional build.
A space you can use all year round
Every garden room is fully insulated and properly finished, so it's just as comfortable in winter as it is in summer. With lighting, power and heating built in, it's a genuine year-round space you'll use every day, not a glorified shed that sits empty half the year.
In most cases, there's no planning permission to worry about either. Many garden rooms fall under permitted development, and we'll advise you honestly from the outset on exactly where you stand, so the whole process stays simple and stress-free.
An asset, from a team built on certainty
A Bastion garden room isn't just a building, it's an asset. Because it's modular, you can move it, sell it or repurpose it if your needs change, so it holds its value in a way a traditional extension simply can't.
We're a veteran-owned business, proudly represented by brand ambassador Gregg Stevenson MBE, Paralympic gold medallist. Doing things properly and standing by our word is the whole point of how we work. That's certainty, built in.
Three Distinct Divisions
LIVE BETTER
Bastion Homes
Garden rooms, annexes, and home offices : designed to complement your property and delivered without a building site in your garden. Fully insulated, utility-connected, and ready to use.
WORK SMARTER
Bastion Build
Welfare cabins, drying rooms, canteen units, and site accommodation for construction and infrastructure projects. CIS-compliant, delivered to programme, removed cleanly when you're done.
LAUNCH FASTER
Bastion Box
Festival bars, ghost kitchens, event suites, and pop-up commercial units. Deployed where you need them, gone when you don't. Revenue-generating from day one.
Tell Us What You Need
No obligation. No sales pressure. Just a straight conversation about whether we're the right fit for your project.
Your details are used only to respond to your enquiry. No spam. No third-party sharing. Ever.
THE BASTION GROUP
Certainty, built in.
© 2026 UK Bastion Group Ltd. Bracknell, Berkshire.
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