Coastal Cabin Flatpack
Inspired by oceanside homes, the Coastal Cabin is a modern 4x3m treated timber flatpack with 12m² of floor space. A stylish, sturdy backyard cabin for a home office, art studio, guest room or garden retreat.
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Wide Double Doors
Treated timber | Double glazed | External frame dimensions: 1840mm wide x 1975mm high | Doorway/Opening dimensions: 1560mm wide x 1790mm high.
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Non-Toxic, Treated Timber
Kiln dried, then treated to an H3 level. Please note: All timber components must be properly painted for protection from the sun and weather.
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PEFC certified sustainable forestry
Nordic Spruce, sustainably sourced from Sweden, Finland, and Latvia.
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COLORBOND Steel Roofing
Official ColorBond 5-rib roofing & flashings. | Default colour: Monument
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Roof insulation blanket
Foil-backed insulation blanket included for under-roof insulation.
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Hardware & Components
Includes all the nails, screws, handles, locks and other hardware required to assemble your flatpack.
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Comprehensive build instructions
We’re always working on improving our build instructions; providing step-by-step illustrations, plans and photographs plus a detailed video overview of the process.
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Build support available
We’re available by phone and email (during business hours), to help support you and your builder during the construction of your flatpack shed. Happy customers who love their finished cabin make our world go around!
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x2 European Tilt & Turn Windows
Treated timber | Double glazed | Can tilt open at the top for ventilation, or turn handle the other direction to swing it inwards like a door | Exterior frame dimensions: 720mm wide x 1975mm high | Opening dimensions: 440mm wide x 1590mm high.
- Skill Level: Suitable for DIY / Home handyman, but sound building knowledge or trade skills are also recommended.
- Estimated time to assemble kitset: 2-4 Days (2 People are recommended). Plan for additional time for site preparations like levelling the site and building a foundation or subfloor, as well as time afterwards to fully paint the finished cabin.
- Need a hand? Check out our list of recommended builders to find one in your area: CLICK HERE to Find A Builder (opens in a new tab).
- Tools & Equipment. Here's a list of the tools and equipment we recommend having on hand to assemble your kitset: (opens in a popup).
Additional Doors & Windows:
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Casement Window for 44mm walls
W2144-T Casement Window with double glazing 1000w x 1140h to suit 44mm kitsets
Great! This addon has been added to your order.
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Fixed Long Window for 44mm walls
Fixed Long Window with double glazing 1935w x 340h to suit 44mm kitsets
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Fixed Vented Window
Fixed Vented Window with double glazing 340w x 1530 to suit 44mm kitsets
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Modern Double Windows
Double Windows with double glazing 1210w x 1530h to suit 44mm kitsets
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Tilt & Turn Window
Large Tilt & Turn window with double glazing to suit 45mm kitsets
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Other Addons:
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Steel Subframe Base Kit for the Coastal
Our steel sub base kits are made to measure for each cabin type, ensuring a perfect fit every time. This kit simply bolts together, averaging just half a day to install (Excluding hole digging and concrete curing time). What customers love about our sub base kits; Termite and rot proof, guaranteeing decades of strength and durability. Footings can be unbolted for easy mobility if you decide to relocate your cabin. Reduces builder labour costs and minimises ordering/building errors. Eliminates the need to calculate material requirements, order, wait for delivery, cut, and construct. Step-by-step instructions with illustrations included for effortless assembly. Ensures a strong and robust foundation for years of support. Suitable for properties on slopes, eliminating the need to clear small obstacles or discretionary areas. Delivery is included with your cabin delivery at no extra charge, minimising cost and waiting time for a second delivery.
Great! This addon has been added to your order.
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Decking Kit for the Coastal Cabin
Add instant functionality to your SheShed with our custom-designed Decking Kit. Create a welcoming entry, a peaceful outdoor nook, or space for entertaining. Made to complement the look and layout of any SheShed cabin, this DIY-friendly kit is as practical as it is beautiful. Each kit includes everything you need for a solid, professional finish: 90 x 19mm pre-oiled Merbau decking boards 100 x 50mm steel beams All brackets, fasteners, decking screws 1m-long 89x89mm posts and pier heads The decking is 2 metres deep, with the width matched to your specific cabin and the side you choose to install it on.
Great! This addon has been added to your order.
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Underfloor Insulation Kit for your Coastal cabin
Australian-made premium extruded polystyrene (XPS) insulation sheets with high compressive strength, a closed-cell structure, and excellent thermal efficiency - ideal for your Coastal cabin kit.
Great! This addon has been added to your order.
Select your location below to see estimated shipping costs right to your door!
Delivery within NSW only $499 (All Cabins)
Delivery within ACT only $499 (All Cabins)
Delivery within Queensland only $699 (All Cabins)
Delivery within South Australia only $699 (All Cabins)
Delivery within Victoria only $699 (All Cabins)
Delivery to Tasmania only $1,699 (All Cabins)
Delivery within Western Australia only $1,999 (All Cabins)
Phone us for shipping estimate: 1800 316 583
Flat rate, excluding outer islands. Some conditions may apply.
Videos
Trusted for over 10+ years
Australian Owned
Dispatches within 5 days
Trusted for over 10+ years
Australian Owned
Dispatches within 5 days
Easy to Assemble & Built to Last
See how easy it is to build your very own SheShed Flatpack cabin of your own.
Need a hand to construct your new SheShed? We can help you find a local builder.
SheShed vs. Other Brands
Space to inspire — built to last
SheShed Process – How it Works
Questions
Reach out with any questions before you buy — we’re here to help you choose the right cabin.
Buy Online or Customise
Purchase online, or work with us to customise your cabin to suit your needs.
Dispatch & Delivery
We dispatch your flatpack cabin and deliver it right to your door.
DIY or Builder
Build it yourself as a weekend project, or use one of our recommended builders.
Share With Us
Enjoy your new cabin — and share your photos with the SheShed community.
Frequently Asked Questions
Generally speaking, most sheds and cabanas are exempt under floor area:
Up to 10m2 in VIC, QLD, WA
Up 15m2 in SA
Up to 20m2 in NSW
Up to 30m2 in ACT
Up to 36m2 TAS
Specific restrictions can apply to different regions. If you’re unsure, you can always reach out to a local town planning specialist to confirm.
Every Coastal Cabin comes with wide double doors and two European tilt & turn windows — both treated timber and double glazed — plus official COLORBOND steel roofing (default colour Monument) with a foil-backed insulation blanket, and all the hardware you need to assemble it. The timber is PEFC-certified, sustainably sourced Nordic Spruce, kiln-dried and treated to an H3 level. You’ll also get comprehensive build instructions and phone/email support while you build.
Yes — the Coastal Cabin’s timber is kiln-dried and treated to an H3 level to resist warping, mould, and termite damage. It will still need to be properly painted for protection from sun and weather.
It’s designed for DIY assembly, but if you’d rather not tackle it yourself, we can help you find a local builder.
Delivery cost depends on your state — you can view our shipping rates here. Deliveries are typically dispatched in less than 5 business days from the date of payment received.
Yes — pay a 50% deposit to reserve your cabin, or pay in full for immediate dispatch.
With two tilt & turn windows for extra natural light and a modern, ocean-inspired design, the Coastal Cabin suits a creative studio, guest space, or any backyard escape where you want a bit more room to spread out.









