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Configured in 3 minutes

Manufactured in 3 weeks

Assembled in 3 days


garden rooms

  • Configured in 3 minutes
  • Manufactured in 3 weeks
  • Assembled in 3 days
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2.6m x 3m studio with overhang     £11,502

Recent customer self-builds

Self build benefits

Professional quality

Low running cost<span class="hw-font">with our</span>high insulation levels Low running costwith ourhigh insulation levels
Your Garden Room stays looking good<span class="hw-font">with our</span>maintenance free cladding Your Garden Room stays looking goodwith ourmaintenance free cladding
Feels like home<span class="hw-font">with our</span>patented concealed wiring system Feels like homewith ourpatented concealed wiring system
Peace of mind<span class="hw-font">with our</span>10 year guarantee for your Garden Room Peace of mindwith our10 year guarantee for your Garden Room

Flexible Garden Room design

Make your self build garden room work for you<span class="hw-font">with our</span>multiple configurations Make your self build garden room work for youwith ourmultiple configurations
Build to the boundary<span class="hw-font">with our</span>unique construction system Build to the boundarywith ourunique construction system
For all ground types<span class="hw-font">with our</span>unrivaled foundation system that even works on steep slopes For all ground typeswith ourunrivaled foundation system that even works on steep slopes

Fastest from foundation to finish

Anyone can build it<span class="hw-font">with our</span>simplified DIY construction Anyone can build itwith oursimplified DIY construction
Spend time enjoying it<span class="hw-font">with our</span>3 day installation Spend time enjoying itwith our3 day installation
Weather tight from Day 1<span class="hw-font">with our</span>pre-clad exterior Weather tight from Day 1with ourpre-clad exterior
No delays<span class="hw-font">with our</span>high level customer support No delayswith ourhigh level customer support

About Pent Haus Self-Build Garden Rooms

Over 15 years ago, our journey began, driven by our love for the outdoors and a vision for a smart, eco-friendly construction that maximises available space. This journey led us to a ground-breaking approach in garden room construction, empowering both DIY enthusiasts and professionals to effortlessly build premium, long-lasting garden rooms.

At the heart of our mission is the creation of tailor-made, self-build garden buildings, meticulously engineered with cutting-edge materials and craftsmanship. Every component is precision-cut by our skilled craftsmen in our Mid Wales factory, ensuring a perfect fit for your project, and we deliver everything you need in one comprehensive package.

Why we’re unique

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Build up to boundary

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Pre-finished exterior

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10-year guarantee

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Concealed wiring system

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Joint-free walls

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Build & installation support

Design & Build your own

We create bespoke garden building kits that are expertly crafted using cutting-edge engineering and materials to transform your lifestyle. All kit components are precision cut to suit your building and we send everything necessary in one delivery.


Price starting from (inc VAT)

Leaves Light Green

We offer a greener, cleaner solution with minimal waste, sustainably sourced wood composite, and resilience in mind with every design decision.

Man running on treadmill in garden room with dog at home with him
Creative self build garden studio
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Stress free

We aim to make the process stress-free, from beginning to end, delivering you your high quality, customised self-build garden room in a matter of weeks.

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Dedicated support

Our dedicated support team are available to offer help and support while you build Monday to Friday from 8am to 5pm.

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Peace of mind

The Pent Haus is the best modular garden room on the market. Our SIP panels are so inherently durable & long-lasting that we offer a 10-year structural guarantee 

What people say…

“Strongly recommend Pent Haus as having bought one in DIY kit form as an office in Dec 22, for the following reasons: * We found it straightforward to install – even on a relatively steep sloping garden as per the pictures. Plus you always have the back up of a team ready to support at any time. * Exceptional insulation in floor, walls and ceiling which means that it takes very little to heat – even on a very cold day – if the sun shines, I don’t need the heater on at all! * The insulation also makes it very quiet to work in – which makes for a productive work environment!”

Stephen Simpson

5 star rating
Build your own-01

Build your own

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Don’t be constrained by your four walls

Create the life you want while adding value to your home…

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Unit 5 Mochdre Industrial Park, Newtown, Powys, SY16 4LE

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