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Super SIPs: Flexible Solutions for Garden Rooms, Annexes & Extensions

Super SIPs: Flexible Solutions for Garden Rooms, Annexes & Extensions

Published: 6 January 2025
Reading Time: 3 minutes 40 seconds

Super SIPs has been at the forefront of SIPs (Structural Insulated Panels) manufacturing since 2011, supplying many of the garden room, annexe, and extension companies regularly featured on The Garden Room & Annexe Guide. In addition to their trade supply services, they also offer direct-to-customer options, including pre-designed garden rooms, bespoke builds, and self-build kits in a wide range of styles and sizes.

Their garden rooms come in a variety of styles and sizes, offering solutions for every need, from compact office pods to house extensions to spacious multi-room living annexes. Customers can choose full installation packages or opt for self-build kits, which are designed to be accessible for competent DIYers. Super SIPs also provides panel-only and design services, allowing projects to be fully tailored to individual requirements.

You can create your ideal aesthetic with a Super SIPs garden room kit

Why SIPs Are a Popular Choice

SIPs have become a cornerstone of modern garden room & annexe design due to their numerous benefits:

  • Quick Assembly: Panels arrive pre-cut and ready for fast construction, reducing build times significantly.
  • Highly Insulated Core: The tightly sealed envelope ensures excellent thermal performance, ideal for year-round comfort.
  • Cost Efficiency: SIPs provide strong structural integrity while remaining lightweight, which helps keep costs manageable.
  • Customisation Ready: SIPs create a strong, insulated core structure, making it easy to tailor internal and external finishes to your style.

These qualities make SIPs an ideal choice for garden rooms, living annexes, and house extensions.

Super SIPs offer indoor-outdoor garden room options

Super SIPs' Expertise

With over a decade of experience in SIPs manufacturing and offsite construction, Super SIPs has worked on a wide variety of projects, from garden studios to Passivhaus-compliant homes. They supply to clients across the UK, including the Channel Islands, and their expert team ensures all projects meet structural and regulatory requirements.

Their portfolio includes:

  • Panel-Only Orders: For experienced tradespeople, raw panels are available for cutting and adapting to individual project needs.
  • Standard Garden Room Kits: Pre-designed options in a range of sizes, providing cost-effective and straightforward solutions.
  • Bespoke Studios, Annexes, and Extensions: Designed to align with clients' plans while meeting structural and aesthetic requirements.
  • New Builds: Collaborations with architects to create homes that meet specific design and energy efficiency standards, including Passivhaus.
  • Commercial and Non-Standard Builds: From retrofitting barn conversions to complex, architecturally unique structures, Super SIPs rises to any challenge.
Super SIPs can help you engineer bespoke designs

Flexible Options for All Builders

Super SIPs offers a full design package with their bespoke purchase option, including structural calculations and technical support to ensure a smooth installation by your preferred installer. For self-builders, their kits are an excellent choice, accompanied by detailed installation guides and a responsive technical team. This approach allows clients to reduce costs by undertaking much of the project themselves and hiring tradespeople only for specific tasks, such as electrics or specialist finishes.

For those on a budget, Super SIPs also offers an EPS (expanded polystyrene) option alongside their high-performance PU (polyurethane) SIPs, providing thermal performance at different price points.

Super SIPs offer a number of garden room layouts

Key Features and Lead Times

Super SIPs prides itself on flexibility, including offering:

  • Multiple Panel Thicknesses: From 75mm to 250mm, depending on the project’s requirements.
  • Custom Steelwork: Designed in-house to suit aesthetic or structural preferences.
  • Quick Turnaround: Standard garden room kits are available with lead times as short as two weeks.

Whether it’s a small garden room or a complex, multi-room building, Super SIPs provides reliable, cost-effective solutions that deliver on both form and function.

You can create a great indoor-outdoor garden room with Super SIPs kits

Learn More

For more information about their range, services, and bespoke options, visit their website or get in touch with their technical team by calling 01473 736 023 or emailing: sales@supersips.uk.com

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A self-contained annexe
in your garden
No planning permission
required in most cases
Kitchen, bathroom & bedroom
— a home from day one
Fully fitted & insulated,
built in weeks
Based in Brighton & Hove,
building across England
Explore annexes →
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Visit the Modern Garden Rooms website
A self-contained annexe
in your garden
No planning permission
required in most cases
Kitchen, bathroom & bedroom
— a home from day one
Fully fitted & insulated,
built in weeks
Based in Brighton & Hove,
building across England
Explore annexes →
Explore the Cosy Garden Rooms website to learn more

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