Custom 6m x 4m Garden Rooms

Insulated 6x4m Garden Rooms Supplied and Installed

Elevate your outdoor living with Green Leaf Garden Buildings’ stunning 6m x 4m (20ft x 13ft) garden rooms. These generously sized and adaptable spaces are perfect for creating a stylish home office, a personal fitness area or functional garden annexe or even a commercial premises to help you run your at-home businesses effectively.

Designed with the finest materials and an eye for detail, our 6m x 4m garden rooms deliver unmatched durability and comfort. Reach out now to see how we can transform your outdoor area and bring your unique vision to life with Green Leaf Garden Rooms.

Get the Most Out of Your New Space

A 6m x 4m garden room offers an expansive and adaptable space, making it perfect for a variety of uses. With its generous size, you have the freedom to create a multifunctional environment that suits both practical and leisure needs. Whether you need a home workspace, an outdoor entertainment space, or a practical extension for spare room, this larger footprint allows for even greater flexibility in design and furnishings.

Whatever your plans, our expert guidance and wide range of optional extras will help you design a 6m x 4m garden room that perfectly matches your requirements.

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Standard Inclusions on All 6m x 4m Garden Rooms

Our 6m x 4m garden rooms are expertly designed to provide a spacious, functional and stylish extension to your outdoor space. Built for year-round comfort and full functionality as a live-in space, each garden room includes the following standard features:

  • 3×2 CLS framework – A strong timber structure providing superior stability, long-term durability and resistance to warping.
  • Custom cladding – Choose from a variety of durable, weather-resistant exterior finishes to match your style and surroundings.
  • 4mm toughened glass windows – High-strength glass for enhanced safety, durability and improved natural light.
  • Single or double door options – Select the best access solution for you, whether a single door for security or double doors for a more open feel.
  • Heavy-duty felt or EPDM rubber roofing – Premium weatherproof roofing materials that offer long-lasting protection against the elements.
  • Pent or apex roofing with overhang – Choose a modern pent roof for a sleek finish or a traditional apex roof with an overhang.

Customise Your 6m x 4m Garden Room with Optional Extras

Make your 6m x 4m garden room truly your own by incorporating a range of optional extras that enhance both functionality and aesthetics. With this spacious layout, you have the flexibility to design a multi-purpose space that meets your exact needs.

  • Insulation – Upgrade with high-performance insulation to improve thermal efficiency.
  • UPVC windows and doors – Upgrade to energy-efficient, low-maintenance UPVC fittings to enhance insulation and security. Skylight options are also available to maximise natural light.
  • Electricals – Install a complete electrical system, including sockets, lighting and power points.
  • Plumbing – Incorporate a sink, kitchenette or even a full bathroom to create a self-contained living or working space.
  • Partition walls – Divide your garden room into different zones, making it ideal for multi-functional use.
  • Shelving – Add custom shelving solutions to keep books, tools or decorative items neatly organised.
  • Plastering and internal cladding – Complete the interior with a smooth plastered finish or stylish decorative cladding for a refined, homely feel.

How We Build Your 6m x 4m Garden Room

As specialists in crafting completely bespoke garden rooms tailored to your exact specifications, our passion for our craft drives us to deliver exceptional structures catering to all spaces and budgets. Our services extend beyond simply building your custom garden room to managing every minute aspect of the planning, installation and after-care process. With over 35 years of experience in the industry and over 400 completed projects, when you reach out for a 6m x 4m garden room, you can expect us to deliver truly exceptional results.

  1. Requirements – All our garden room builds are tailor made to suit your exact requirements.
  2. Survey – Site surveys can be conducted to ensure your outdoor space is suitable for what you’re looking for.
  3. Design – Our experienced team will help design the ideal outdoor living, working or storage space based on what you have specified.
  4. Build – We pride ourselves on never compromising on our promise to deliver a high-quality garden room (whether that be 3m x 3m, 5m x 4m or whatever other size you’re after).
  5. Install – We will work within your time frame for a convenient installation that doesn’t disrupt your day-to-day activities.
  6. Inspection – Our builds follow a regulation checklist and are comprehensively inspected on completion to ensure complete compliance and customer satisfaction.
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Custom Garden Rooms of All Sizes Available

Is the 6m x 4m garden room not quite right for you? Whether you’re imagining a more compact office space or a larger outdoor gym area, we can make your ideal garden room a reality.

In addition to our 6m x 4m option, we offer a range of popular sizes, including 3m x 3m, 5m x 3m, and 5m x 4m. No matter the dimensions you’re envisioning, we can tailor a garden room to fit your exact needs.

Every garden room we create is fully bespoke and crafted to your specifications which means your perfect outdoor space is just an enquiry form or phone call away. Let us help you bring your vision to life!

Garden Room FAQs

Our custom made garden rooms are built using Structural Insulated Panels (SIP’s). These panels consist of an insulating foam core sandwiched between two structural facings. The insulating core of the panels will keep your garden room cool in the summer and warm in the winter, providing your space with unrivalled insulation and air tightness alike.

Most of our customers will also opt for a small panel heater to warm the room if required during the colder months.

Yes, our extensions are built using Structural Insulated Panels (SIP’s). Our SIP Extensions have a wide range of external finishes from Composite Cladding, Fibre Cement Cladding, Canadian Red Western Cedar, Render and Brick Slips in order to either match or complement the existing structure.

Working from home has become increasingly popular over the last few years with garden rooms being commonly renovated to be used as a home office space. A garden room allows for an office at home whilst being away from day-to-day distractions you’ll find in your actual home. Due to the warmth and energy efficiency of our SIP Garden Rooms, you’ll be able to enjoy a comfortable, yet productive home office setup.

Yes, Garden Rooms can add value to a property however the amount varies depending on the size, quality and function of the actual garden room. A garden room is also an attractive selling point for potential buyers due to the added space it offers either for storage or as an actual residential or commercial dwelling.

Garden rooms do not typically need planning permission so long as the build is less than 2.5m in height when located within 2m of a boundary, is no larger than 30sqm and does not take up more than 50% of the total garden space. The sides of the build within 1m of a boundary must also be finished with a fire-resistant material such as Fire-Retardant Metal Sheeting or Fibre Cement Cladding.

The intended use of the build will also determine whether planning permission is required. If the build is to be used as a liveable dwelling or have running water and a bathroom, planning permission will be required.

In conservation areas and areas of outstanding natural beauty rules often differ and should be checked accordingly. We always advise checking with your local council first if you are unsure.

An Ethernet cable can be installed at the time of the electrical installation at an additional cost if requested.

Yes you can have a toilet installed in your garden room. From a small single toilet to a large, fitted bathroom, whatever size washroom you need will be able to be installed into your garden room however this would require planning permission. We offer full plumbing and bathroom installation as extras, so we can take care of this with ease.

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