UK SIP Panel Manufacturer and Garden Room Specialists
Build Faster. Build Smarter. Build with SIP's
At Unique Garden Retreats, we manufacture and supply high-performance Structural Insulated Panels (SIP's) across the UK - delivering complete solutions for garden rooms, annexes, extensions and full residential builds.
Whether you're a homeowner, builder, or developer, we provide;
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Garden rooms
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Annexes
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House extensions
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Full residential builds
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Modular developments
What Are SIP Panels?
SIPs (Structural Insulated Panels) are a modern construction system made from:
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Two structural OSB boards
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A high-performance insulated core
This creates a panel that is both:
👉 Structural + Highly Insulated
Why Choose SIP Panels?
🚀 Faster Build Times
SIP structures can be erected and made watertight in a matter of days.
🌡️ Exceptional Insulation
SIPs provide excellent thermal performance, helping meet and exceed UK Building Regulations.
🧱 Structural Strength
SIPs are incredibly strong and can be used for:
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Walls
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Floors
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Roofs
📐 Precision Manufacturing
All panels are factory-cut for accuracy, reducing on-site waste and labour time.
Our SIP Panel Specifications
We manufacture SIP panels in a range of thicknesses:
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97mm – Garden rooms & non-habitable spaces
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122mm – Standard builds & internal walls
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147mm – Floors, walls & roofs (high performance)
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172mm – 197mm – Enhanced insulation for annexes
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222mm – Roof panels for maximum thermal efficiency
What’s Included
Our SIP panel packages can include:
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Fully cut SIP panels
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Structural splines
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Jointing details
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Technical guidance
👉 We can also supply complete kits if required.
Applications
Our SIP panels are suitable for:
🏡 Garden Rooms
Fully insulated, all-year-round use.
🏠 Annexes
Perfect for additional living accommodation.
🏗️ Extensions
Lightweight, fast-to-install building solution.
🏘️ Housing Developments
Ideal for modular and developer-led projects.
Built for UK Building Regulations
We can support your project with:
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Recommended build-ups
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U-value guidance
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Structural considerations
👉 Helping you meet Building Regulations requirements.
Why Choose Unique Garden Retreats?
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UK SIP panel manufacturer
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Bespoke panel sizes available
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Fast lead times
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Trade & public supply
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Competitive pricing
Delivery Across the UK
We deliver SIP panels nationwide, including:
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Oxfordshire
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London
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Birmingham
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Manchester
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Nationwide coverage
Get a Quote for SIP Panels
If you’re looking for a reliable SIP panel manufacturer in the UK, we’re here to help.
📞 Call / WhatsApp: 07852 336698
📧 sales@uniquegardenretreats.com
👉 Send us your drawings or requirements and we’ll provide a fast, accurate quote.
Who are Unique Garden Retreats?
Unique Garden Retreats was created to make sure that you have a garden room that is just that...
Unique to you.
We listen carefully to exactly what you want from your new office, gym, cinema room or whatever you want it to be and then make it bespoke to you, unlike any other offering in the market today.
With our talented team of designers, our huge array of finishes and our experienced team of installers, we are on hand to deliver exactly what you are envisaging.
Why should you choose us?
Choosing us means that you are opting for quality and reliability.
We are dedicated to providing exceptional service and ensuring that your needs are met with care and attention.
Our experienced team is committed to delivering the best possible experience, making us a trusted choice for your requirements.
Let us help you achieve your goals with our expertise and support.
Services we offer
We offer a range of services designed to meet your needs. Our team specialises in providing high-quality solutions, from the Design of your Garden Room, Interior Decoration on your behalf, even down to making your garden look beautiful again after we have installed your new outdoor space!
We are committed to delivering exceptional results. Let us help you achieve your aspirations with our expertise and dedication.
Project Planning
Our in-house planning consultant is here to assist you with your application and guide you through the process, no matter the size of your project. They will help alleviate any stresses or concerns you may have, ensuring a smooth and efficient experience. Let us take care of the details so you can focus on what matters most.
Room Design and Modelling
Transform your vision into reality with our expert team! We collaborate closely with you to design your dream garden room experience and create a stunning 3D model that brings your ideas to life.
Let us help you craft a space that perfectly fits your style and needs.
Your dream garden room is just a conversation away!
Landscaping Service
Transform your outdoor space to complement your dream garden room! Our expert team will work with you to create a stunning design that enhances your new retreat.
From lush landscaping to stylish pathways, we’ll ensure your garden is a perfect match for your vision. Let’s bring your garden to life together!
