Custom-Built Garden Office Rooms

Fully Insulated Garden Offices – Supply & Installation Included

With over 35 years of experience under our belt, designing and constructing completely bespoke garden office buildings, we more than up to the task of providing you with professional, yet comfortable office spaces for remote working. More people are working from home than ever before, and having a dedicated workspace is essential to maintaining productivity. A custom garden office room from Green Leaf Garden Building’s isn’t just a practical space where you can focus and thrive, it’s a stylish addition to any home, built to your exact specifications with high-quality materials and finishes.

Design Your Customisable Garden Office

We believe your workspace should reflect your personal style as well as your professional needs. That’s why our garden office buildings are completely customisable, from the shape to the exterior finish to the finishing touches in the interior. Choose the size, style and layout that works best for your outdoor space in addition to your working requirements. Whether you want an open-plan office or a fully partitioned, multi-use home working space, complete with a bathroom and seating area, the choice is yours…

Tailor-Made To Your Specifications

In our custom office garden rooms we prioritise quality and durability in each design. Every build is constructed from 100mm SIPs (Structural Insulated Panels) across the walls, floor and roof. Other standard inclusions for your garden offices include:

Weatherproofing – Fully lined with both a Damp Proof Membrane and a Breathable Membrane to ensure long-lasting protection against moisture and condensation.

Custom Glazing – UPVC windows and doors supplied in your chosen size, style, and colour to match your preferences and maximise natural light.

Boundary Compliance – Any side of the structure within 1 metre of a boundary is finished with fire-rated metal sheeting to meet building regulation standards.

Roofline Finish – Includes durable, low-maintenance UPVC fascias, soffits and guttering for a clean, modern exterior.

Interior Walls – Plastered internal finish provided as standard for a smooth, professional look. Flooring and skirting quoted separately.

Electrical Setup – Internal and external electrics installed as required, covering both first and second fix stages for a complete system.

Roofing System – Finished with a high-performance EPDM rubber roof for a sleek appearance and superior weather resistance.

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Optional Extras To Personalise Your Workspace

As part of our process, we’ll make sure you explore every opportunity to really make your outdoor office your own. Whether you’re looking to maximise comfort, style or functionality, our range of optional extras for your garden office can easily transform your build into the workspace you’ve always dreamed of – and it’s only a short commute away:

  • High-Performance Insulation – Built with Structural Insulated Panels (SIPs) for outstanding energy efficiency and airtight construction. Keeps the space cool in summer and warm in winter, reducing energy costs by up to 60%.
  • Glazing & Natural Light – Choose energy-efficient, low-maintenance UPVC windows and doors in your preferred style and colour. Skylights are also available to enhance light and ventilation.
  • Electrical Fit-Out – Full internal and external electrics included, covering both first and second fix stages.
  • Optional Plumbing Installation – Add a sink, toilet or full bathroom to make your garden room fully self-contained and ideal for longer stays.
  • Flexible Internal Layouts – Add partition walls to divide your garden office into separate functional areas.
  • Professional Interior Finish – Finished with smooth plastering or internal cladding as standard. Optional extras include skirting and other detailed interior features.

Fully Insulated, Ready-to-Use Garden Offices

Every step of the way, we support you in perfecting every detail for your custom garden office – from framework to cladding to electrics to insulation. Our goal is to make sure your new space is move-in ready, so you can be setup for a productive day come Monday morning! Rest assured, your office space will be full insulated for year-round comfort, so you only have to head into the office when you have to. The only bit we leave up to you is deciding what colour you want your office to be…

For some inspiration, take a look at our case studies page where we showcase other completely habitable garden buildings and SIP extensions we’ve had a hand in building. 

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