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GardenHouse24 USA ALU Concept 70L Garden Room is shown from the front in daylight

ALU Concept 70L – Freedom Office, 412 sq ft

SKU 7024830
Save $5,936.40
$35,618.40
$29,682.00
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The ALU Concept 70L Freedom Office is an outdoor structure designed as a studio space with a total area of 412 square feet. This unit functions as a standalone office or workspace within a lawn and garden setting. It features a specific 70L design configuration and is listed under the outdoor living category for property owners who need a dedicated backyard studio.
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12 Weeks Delivery

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Lasts A Lifetime!

3 Year Warranty

The Modern Cabin Without the Woods

GardenHouse24 USA ALU Concept 70L Garden Room is a sleek, modern outdoor structure made from durable, insulated aluminum and Nordic spruce wood panels, designed for year-round use. It features large double-glazed sliding glass doors, a flat roof, and two spacious rooms. With its clean lines, weatherproof build, and natural light-filled design, this she-shed and man cave adds instant function and style to any outdoor space.

What's Included?

  • DIY kit
  • Closed shell
  • Arrives in flatpack
  • Internal walls included
  • Doors & windows included
  • Roofing cover & rain gutters as an extra

Specifications

  • Indoor area: 412.26 ft²
  • Log profile: 2.76 in
  • Number of floors: 1
  • Number of rooms: 2
  • Base dimensions: 13.09 ft x 32.58 ft
  • Floor space 1 floor: 412.26 ft²
  • Floor Material: 1.1 in
  • Roof Type: Flat roof
  • Floor included: Yes
  • Wood type: Nordic spruce, massive logs
  • Ridge height: 8.64 ft
  • Roof area: 489.76 ft²
  • Eave Height: 8.19 ft
  • Doors Included: Yes
  • Windows Included: Yes
  • Roof Shingles Included: No
  • Roof Slope: 1.9°
  • Roof Material: Nordic spruce

Features

  • Dual-Room Layout: The spacious interior is divided into two separate rooms.
  • Insulated Aluminum Frame: Its robust aluminum construction with insulated wall panels provides year-round comfort and superior weather resistance.
  • Premium Nordic Spruce Walls: The natural spruce paneling adds warmth and durability, giving it a cozy yet high-end cabin feel.
  • Large Sliding Glass Doors: Full-length double-glazed sliding doors invite natural light in while offering panoramic views of your garden.
  • All-Season Use: With thermal insulation and sturdy construction, it's built for comfort in every season—rain, snow, or shine.
  • Spacious Interior: With over 35 square meters of floor space, there’s plenty of room to furnish it to suit your lifestyle.
  • Quick Assembly: The prefabricated components and smart design allow for faster installation compared to traditional structures.
  • Low-Maintenance Exterior: The aluminum cladding and treated wood finish resist weather damage, so you can enjoy more and maintain less.

Internal Room

The Internal Room includes an assembly kit designed for easy installation inside a finished garden building. It features a sliding door and ceiling, creating a fully enclosed space.

The kit also comes with two solid 1.1-inch walls, a corner support beam, and all the necessary fixings, conveniently packed flat for transport.

Closet: 3.98 ft x 5.95 ft

Bathroom: 3.98 ft x 7.92 ft

Staining/Painting Treatment

Extend the life of your outdoor freedom room and protect it from environmental damage with premium wood treatment.

Benefits include:

  • Shields wood from rot, mold, and staining fungi
  • Guards against UV rays and rain
  • Prolongs the durability of wooden surfaces
  • Enhances appearance and makes cleaning easier

Recommended high-end wood staining products:

  • Cabot Australian Timber Oil – Known for deep penetration and rich, long-lasting color; ideal for decks, siding, and outdoor structures.
  • DEFY Extreme Wood Stain – A water-based, eco-friendly stain with high UV resistance and durable protection for harsh outdoor conditions.

Downloads

Why Choose Outdoor Freedom Rooms?

We use premium Nordic/Baltic Spruce

These softwoods thrive in the cold northern regions of Europe and grow more slowly than standard spruce, pine, or fir, resulting in 6 to 8 times more growth rings. Spruce features a finer grain and fewer, smaller knots than Pine, though both types are lightweight and easy to machine.

Comes with a 5-year anti-rot warranty

It includes a 5-year anti-rot warranty that begins the moment your order ships. This covers issues such as glass or hardware seal failures, wall log splitting, or faulty components.

Unloading is included in the delivery

Receive your new log house hassle-free, our delivery service handles the unloading at no extra cost.

Fast delivery for in-stock items

Have your freedom rooms delivered right to your doorstep! In-stock models arrive in 10–12 weeks.

About Garden House 24 Timber Garden Products

Born from a passion for precision craftsmanship, Garden House 24 brings decades of timber-building expertise to your backyard. What began as a small European workshop has grown into a trusted source for high-quality garden rooms, sheds, and cabins. Built to last and designed to inspire, our timber products combine durability with timeless style.

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