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A modern L-shaped wooden structure with floor-to-ceiling glass doors, cozy indoor seating, and a garden path leading up to it is the GardenHouse24 USA Lasse 44B ALU Garden Room

Lasse 44B ALU – Freedom Office, 271 sq ft

SKU 4459530
Save $3,518.20
$21,109.20
$17,591.00
Freedom Room product specialist

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12 Weeks Delivery

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Lasts A Lifetime!

3 Year Warranty

Cozy, Cool, and Climate-Smart

GardenHouse24 USA Lasse 44B ALU Garden Room is a sleek, modern outdoor structure built from durable Nordic spruce and framed with strong aluminum for long-lasting stability. It features expansive double-glazed sliding doors, a stylish flat roof, and a spacious L-shaped layout offering 29.25 m² of interior space. With its weather-resistant construction and clean, contemporary design, this wooden outdoor structure is an ideal choice for adding usable space and value to any outdoor living area.

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: 315.38 ft²
  • Log profile: 1.73 in
  • Number of floors: 1
  • Number of rooms: 1
  • Base dimensions: 10 ft x 22.64 ft
  • Floor space 1 floor: 217.43 ft²
  • Floor Material: 0.71 in
  • Terrace Area: 97.95 ft²
  • Roof Type: Flat roof
  • Floor included: Yes
  • Wood type: Nordic spruce, massive logs
  • Ridge height: 8.41 ft
  • Roof area: 271.25 ft²
  • Eave Height: 7.97 ft
  • Doors Included: Yes
  • Windows Included: Yes
  • Roof Shingles Included: No
  • Roof Slope: 2.5°
  • Roof Material: Nordic spruce

Features

  • Spacious Interior: With a total of 29.25 m², it provides plenty of room for a home office, guest retreat, gym, or entertainment zone.
  • Nordic Spruce Construction: Crafted from premium Nordic spruce, the structure delivers durability, natural insulation, and a clean modern wood finish.
  • Aluminum Door Frames: Sleek ALU frames offer strength and style, ensuring smooth door operation and long-term stability in all seasons.
  • Double-Glazed Sliding Doors: Floor-to-ceiling glass doors provide insulation, noise reduction, and stunning views of the outdoors.
  • Flat Roof Design: The minimalist flat roof creates a modern architectural look while maintaining a low profile that fits most backyard spaces.
  • Weather-Resistant Build: Designed to handle various climates, it offers protection against rain, wind, and sun exposure.
  • Separate Room Sections: The layout includes two distinct rooms, making it ideal for multitasking—use one for work and the other for relaxation.
  • Year-Round Use: With proper insulation and optional upgrades, this garden room is functional in both summer and winter months.

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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