Modern garden room 3.66m x 3.05m SIP kit
Large Multi Use Size

3.66m x 3.05m SIP Garden Room Kit

A spacious garden room shell with extra depth for a more practical, versatile everyday space.

From £3,295 + VAT

Fixed price quotes • No hidden costs • UK manufactured • Delivered nationwide

🇬🇧 UK Manufactured 🚚 Nationwide Delivery 🛠 DIY Friendly Install 🏠 Year-Round Use

Extra Depth for a More Usable Room

The 3.66m x 3.05m SIP garden room kit gives you a noticeably more practical layout by adding extra depth as well as width. It’s ideal for customers who want more freedom with furniture, storage, desk layouts or a room that feels less restricted than narrower garden room sizes.

✔ Ready for final cladding in as little as 5 hours (shell build)

Cladding and finishing typically completed over the following 1–3 days depending on your chosen spec.

A strong option for customers who want a proper garden room feel without going oversized.

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Why Choose This Size

Better Room Layout

Extra depth makes it easier to create a more comfortable, functional setup.

Ideal for Work or Leisure

Works well as a home office, hobby room, studio or general garden retreat.

Fast SIP Installation

Designed for a quick shell build using the same efficient SIP system.

Year-Round Comfort

Insulated SIP panels help create a room you can use in every season.

What’s Included

  • Pre-cut SIP panels (walls, roof, floor)
  • Structural splines
  • Fixings pack

What’s Not Included

  • Cladding
  • Roof covering
  • Doors & windows
  • Base

Fast SIP Build System

SIP shell assembled quickly

Shell assembled quickly

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