The Best Garden Rooms in St Albans
We build bespoke garden rooms in St Albans and surrounding areas.
Welcome to PMG Garden Rooms
Where your vision comes to life
We specialise in transforming outdoor spaces into custom garden rooms that perfectly balance architectural beauty with everyday practicality.Â
Our objective with every project is to craft an inspiring, highly functional environment tailored specifically to your lifestyle and property. We turn your garden into a natural extension of your home, raising your standard of living through intentional design.
Because no two clients or sites are identical, we deliver bespoke solutions shaped around your personal aesthetic and practical requirements. We manage the entire process from preliminary design concepts through to final construction.Â
Our comprehensive project management ensures a clear, enjoyable experience and a flawless end result that genuinely complements your home.
We handle everything for you
Years of Experience
0
+
Satisfaction Guaranteed
0
%
5 Star Reviews
0
About Your Garden Room Builder
Pete Guerin
I’m Pete Guerin, and at PMG Garden Rooms, I bring your visions to life. Making custom Garden Rooms, I help you turn your outdoor area into a personal haven; a space that’s uniquely yours – a peaceful office, a family retreat, or a creative studio.
With every project, I bring my 40+ years of experience to craft Garden Rooms that are not just structures, but extensions of your personality and dreams.
I pride myself on the quality of service I offer.
It’s very important to do a good job as customer satisfaction and a positive recommendation means everything to me, plus I really enjoy creating Garden Rooms that I and the customer can be proud of. After all, my reputation and your vision are on the line.
If you’re looking for a quality craftsman for your Garden Room project then please give me a call and we can discuss the details!
Professionalism
Punctuality
Responsiveness
Value
Projects
Our Best Work
Fleur and Eamonn dreamed of an outdoor space that could adapt to their family’s evolving needs.
We brought this vision to life with the Churchill Garden Room!
Designed for versatility, it now serves as a serene retreat and a lively gathering spot.
The Churchill Garden Room
An adaptable, multi-use, flexible space for the entire family.
Emma and Adam needed a dual-purpose space: a two-person home office with smart storage for garden tools and golf clubs.
We crafted the Orchard Garden Room to fit an acute-angled corner of their garden, showcasing our expertise in creating made-to-measure solutions.
The result? A functional office space with a spin bike area and integrated shed storage, all finished to the highest standards.
The Orchard Garden Room
An office with 2 workstations and integrated shed storage.
Sheryl sought a multifunctional space that could serve as a self-contained home office, complete with modern comforts.
We embraced this challenge, creating the Langley: our largest and most versatile Garden Room yet.
Complete with a shower, and convertible living area, it’s the epitome of luxury and practicality.
Looking for a similar oasis of productivity? We can help you create a Garden Room tailored just for you.
The Langley Garden Room
A high-spec office with flexible adaptability.
Want to Explore the Possibilities?
Every garden has a story. Let us help you create yours.
With PMG Garden Rooms, you’re not just adding a room; you’re enhancing your lifestyle. From concept to completion, we ensure a hassle-free process, delivering excellence every step of the way.
Your Perfect Garden Room Awaits!
Get a free quote
Testimonials
“Pete is entirely reliable and I have no hesitation in recommending him”
"His prices were very reasonable and he did a great job, would highly recommend PMG"
“Pete’s work is characterised by attention to detail and high quality workmanship: the work of a real craftsman”
Blog
Learn About Garden Rooms
Garden Rooms vs. Home Extension: Can a Garden Room Be an Extension of Your Home?
- Pete Guerin
- May 26, 2026
You find yourself needing space. Your family is co…
How Much does a Garden Room Cost? (With Caclulator)
- Pete Guerin
- January 8, 2026
Your Garden Room can be an exciting addition to yo…
How To Insulate A Garden Room
- Pete Guerin
- January 7, 2026
Fast Facts: Garden Room Insulation Insulating a me…
FAQs
Have a Question?
A garden room is a versatile outdoor structure, offering a dedicated space for anything from a home office to a family room, crafted to complement your home and garden. To learn more about this, check out our latest post.
2. Do I Need Planning Permission?
In the UK, garden rooms often fall under permitted development but it depends on size, location, and use. We recommend checking with your local planning authority. To learn more about this, check out this planning permission guide.
3. How Long Does Construction Take?
The construction timeline varies, usually taking between 3 to 5 weeks, depending on the complexity and customisation of your garden room.
4. Can I Customise My Garden Room?
Absolutely! We offer a range of customisation options to suit your style and needs, from layout to finishing touches.
5. How Much Does a Garden Room Cost?
Costs vary based on size, materials, and design features. We provide detailed quotes to match your specifications and budget. To learn more about this, check out our garden room cost guide.
6. Is My Garden Suitable for a Garden Room?
Most gardens can accommodate a garden room, but we’ll assess your space to advise on the best options and layouts.
We use high-quality, durable materials suitable for UK weather, focusing on sustainability and efficiency. To learn more about this, check out our Projects page.
8. How Do I Maintain My Garden Room?
Maintenance is minimal, usually involving regular cleaning and occasional checks. We’ll provide specific care instructions for your garden room.