Granny Flat Design
Layout
1 Bed
1 Bath
Overall Floorspace
1,378 sqft
128 m2
Design Type
ADU (Accessory Dwelling Unit)
Sleeps
Up to 2
2 Adults
Plans/Blueprints Available
PDF ADU Plans
Available in metric & imperial
Software Used:
Design from scratch or, customize templates with 3D Designer
Plans Exported With:
Export with instant generate plans tool & Take off tool in 3D Designer
Take an Interactive 3D Tour of The Rowan
Step inside this cabin design and explore every corner at your own pace with our interactive 3D Viewer.
The Design Concept Overview
The Rowan makes a strong case for what a single-bedroom granny flat can feel like. The layout is built around openness, not restriction. The kitchen, dining, and lounge share one continuous space under a timber-lined ceiling.
Large areas of glazing keep that space feeling connected to the outdoors from almost every angle. The result is a footprint that reads as generous and complete. It doesn't feel scaled down or simplified.
The exterior is clad in vertical Blackbutt timber. That gives the home a warm, grounded presence, and it carries straight through to the interior. Inside, the same warmth continues in timber-lined ceilings, soft white walls, and brass detailing in the kitchen and bathroom. It's a consistent material story from the outside in. The home doesn't feel like a different building once you step through the door.
The design logic behind The Rowan is simple: make one bedroom feel like a real home, not a minimal one. A full-size kitchen with a large island and integrated appliances gives the space genuine cooking and gathering capacity. A covered outdoor deck extends the living area into the landscape, so the indoor footprint isn't doing all the work on its own.
Large windows and sliding doors bring in natural light throughout the day. That keeps the open-plan living area feeling bright and spacious rather than closed in.
The Rowan's 8m x 16m footprint (26'3" x 52'6") is wide enough to let every room breathe. That's a generous amount of ground for a single bedroom, and it shows.
The kitchen isn't compressed to make way for the lounge. The lounge isn't squeezed to make way for the bedroom. Each space gets to do its job properly.
The Rowan suits homeowners exploring a backyard secondary dwelling who don't want to compromise on how the home feels day to day. It also gives builders a clear way to present a one-bedroom granny flat as an open, light-filled home rather than a compact afterthought.
It's a useful reference point when a client asks what a single-bedroom secondary dwelling can actually look like. The layout, materials, and finishes are easy to point to and talk through early in a sales conversation, well before any decisions are locked in.
Design Breakdown
The Rowan carries a consistent material language from the exterior right through to the bedroom. Here's a quick reference:
Material | Where it appears |
|---|---|
Vertical Blackbutt timber cladding | Exterior walls |
Warm timber-lined ceiling | Kitchen, dining, living, and bedroom |
Soft whites | Interior wall tones throughout |
Brass details | Kitchen and bathroom hardware |
Floating vanity | Bathroom |
Large windows and sliding doors | Living, dining, and bedroom |
The Exterior
The Rowan's exterior is defined by vertical Blackbutt timber cladding. It wraps the home in a warm, natural finish that sets the tone before you even step inside. The cladding runs in clean vertical lines across the elevations. That gives the home a contemporary but grounded character, and it doesn't need a large footprint to feel substantial.
Large windows and sliding doors bring natural light deep into the living spaces. They also connect the interior to the covered outdoor deck. That deck extends the living area into the landscape. It turns the exterior into usable space, not just a threshold you walk through on the way inside.
Key exterior features:
Vertical Blackbutt timber cladding across the exterior walls
Large windows and sliding doors opening onto the deck
A covered outdoor deck extending the living area outward
An 8m x 16m footprint that gives every interior room genuine scale
Together, the timber cladding, generous glazing, and covered deck give The Rowan a confident, complete presence for a single-bedroom footprint. It's the kind of exterior that reads as a proper home rather than a scaled-back annexe.
Interior, Kitchen & Dining
The kitchen is one of the most complete parts of The Rowan's layout. It's a full-size kitchen built around a large island, with integrated appliances and generous storage. The Rowan doesn't compress the kitchen to fit a one-bedroom plan. It gives the kitchen real scale: enough bench space and storage to work as a proper cooking and gathering space, not a compact kitchenette.
The island sits at the centre of the kitchen, dining, and lounge zone. All three share one open-plan space beneath the timber-lined ceiling. Large glazing frames the outdoors from the kitchen and dining area, so the footprint feels more generous than its floor area alone would suggest.
The open relationship between kitchen and dining means there's no separation between cooking and gathering. You can prep a meal and still be part of the conversation happening at the table or on the sofa.
What the kitchen and dining zone includes:
A large kitchen island as the central feature
Integrated appliances built into the cabinetry
Generous storage throughout the kitchen run
A dining zone that shares the same open-plan volume as the kitchen and lounge
Large glazing that frames the outdoors from the kitchen bench
That combination is worth calling out for anyone weighing up what a one-bedroom granny flat can realistically offer. It doesn't read as a stripped-down version of a family kitchen. It reads as a proper one, just built at a scale that suits a single-bedroom home.
Interior, Living
The living area sits within the same open-plan zone as the kitchen and dining space, beneath the warm timber-lined ceiling that carries throughout the home. Large windows and sliding doors bring plenty of natural light into the space. They open directly onto the covered deck, extending the living area outward into the landscape.
That indoor-outdoor connection is central to how The Rowan feels larger than a typical one-bedroom plan. The kitchen, dining, and lounge share one continuous volume. Glazing keeps the outdoors visible from nearly every seat. Together, that makes the living space read as open and light-filled rather than compact or closed off.
What makes the living area work:
One continuous open-plan volume shared with the kitchen and dining zone
A timber-lined ceiling that carries the exterior's warmth inside
Large windows and sliding doors for natural light and outdoor access
Direct access to the covered deck, extending the room outward
It's a living space that doesn't ask you to choose between a compact footprint and a genuinely open feel. The Rowan delivers both, using light and material consistency rather than extra square footage to do it.
Interior, Bathroom
The bathroom continues The Rowan's warm material palette. It has a walk-in shower, a floating vanity, and a skylight that brings in natural light from above. The floating vanity keeps the floor visually open. The skylight adds daylight without needing an exterior window.
The toilet sits in its own separate room. That gives the bathroom a more private, considered layout instead of combining every fixture into one space. It's a practical detail. It makes the bathroom feel more like part of a complete home than a compact ensuite tucked into a corner.
What the bathroom includes:
A walk-in shower
A floating vanity with brass detailing
A skylight for natural, overhead light
A separate room for the toilet, apart from the main bathroom
Separating the WC from the shower and vanity is a small decision that makes a real difference in a one-bedroom home. It gives the bathroom breathing room and avoids the compromises that come with cramming every fixture into a single space.
Interior, Bedroom
The bedroom sits on the ground floor and includes built-in wardrobe storage. That keeps the room uncluttered without relying on freestanding furniture that would eat into the floor space. Warm timber-lined ceilings continue into the bedroom, carrying the same material language used throughout the rest of the home.
Large windows bring natural light into the room. That ties it back to the open, light-filled feel established in the kitchen and living areas. The result is a bedroom that feels like a considered retreat, not an afterthought tacked onto an open-plan layout.
What the bedroom includes:
A ground-floor position within the layout
Built-in wardrobe storage
A continuation of the timber-lined ceiling
Large windows for natural light
Because the bedroom shares the same material palette and light-filled quality as the rest of the home, it doesn't feel like a separate, lesser space. It feels like the natural conclusion of the same design idea that runs through the kitchen, dining, and living areas.
Who The Rowan Suits
The Rowan is a strong fit for homeowners who want a backyard secondary dwelling that feels genuinely liveable, not just functional. It also works well for small home builders and designers who need a one-bedroom granny flat model that photographs well and presents easily to clients. Whether the goal is a self-contained home for a family member, a rental unit, or a guest house, the same open layout and complete room list apply.
It suits:
Homeowners exploring a one-bedroom granny flat or backyard secondary dwelling
People researching ADUs, guest houses, or compact single-bedroom homes
Builders and designers who want a light, open one-bedroom model to add to their range
Anyone who wants a compact home that reads as complete rather than basic
Builders can use The Rowan as a talking point with clients who assume a one-bedroom secondary dwelling has to feel small or basic. The full-size kitchen, the separate WC, and the covered deck all help make that conversation easier, because each detail speaks for itself in the renders.
The Rowan in Summary
The Rowan shows how a one bedroom granny flat can deliver open-plan living, a full-size kitchen, and a genuine connection to the outdoors. It doesn't feel like a reduced version of a larger home. Vertical Blackbutt timber cladding, warm timber-lined ceilings, and brass detailing carry a consistent material story from the exterior through to the kitchen, living area, bathroom, and bedroom.
At 8m x 16m (approximately 1,378 sq ft / 128 m2), it's a footprint that gives a single bedroom real presence. It's a useful example of how a compact secondary dwelling can still feel spacious, light-filled, and complete. For more inspiration, explore other granny flat designs in the Tiny Easy range.
If you're a builder looking to add a design like The Rowan to your model range, book a demo with the Tiny Easy team to see how you can design, visualise, and present granny flat concepts like this to your clients.
How We Designed this Cabin Concept
Every part of this cabin plan concept, from the exterior details to the interior layout, was designed entirely within the Tiny Easy platform. No third-party tools, no hand-drawn floor plans, no outsourced renderings. From the first concept through to final handoff documents, the whole process lived in one place.
Design Creation
For builders, one of the biggest bottlenecks in turning interest into a real sales conversation is the time it takes to get a clear design in front of a client. Traditional 3D design tools can be slow to learn, and relying on a designer or draftsperson for every early concept can add cost and delay before the client has even had a chance to properly understand the home.
The 3D Designer is Tiny Easy’s design workspace for creating, managing, and tailoring tiny homes, cabins, granny flats, ADUs, and more within one connected system. Builders can use it to build out their core model range, save designs as reusable templates, test new ideas, explore layout options, and refine their designs over time.
Inside the Designer, the structure can be shaped using tools like Foundation, Shell, and Roof, before completing the model with doors, windows, walls, interior doors, cabinetry, furniture, fixtures, lighting, and finishes. This gives builders a practical way to create complete 3D concepts without needing to start from scratch or rely on complex modelling workflows.
Where this becomes especially valuable is in the sales process. Instead of designing a new cabin from a blank canvas for every enquiry, builders can pull the most relevant model from their existing range into a client project, tailor the layout, finishes, openings, and key details, then present a concept that feels specific to that client.
That speed changes the quality of the conversation. Clients are not left trying to imagine the home from 2D plans, rough sketches, or verbal explanations. They can see the design clearly, understand the layout, explore the options, and build confidence in the direction before moving further into pricing, proposal, or approval.
For builders, the result is a faster and more professional path from enquiry to client-ready cabin concept. The 3D Designer helps turn design into a sales tool, giving builders a repeatable way to respond quickly, communicate clearly, and move serious clients forward while interest is still warm.
Visualization
Once a design is complete, the next challenge is presenting it in a way that actually converts interest into commitment. Traditionally, that meant outsourcing renders to a freelancer — which adds cost, turnaround time, and rounds of back-and-forth — or investing in professional rendering software that requires its own lengthy setup before a single image is produced. For a small home builder running a lean operation, neither is a sustainable way to work.
The AI Render Tool takes care of that. Once the design is finalised in the 3D Designer, renders are generated directly from within it. The only setup required is positioning the camera, choosing an environment, setting the time of day and season, and hitting render. The result is a photorealistic image of the home, produced in minutes rather than days — and at a fraction of the cost of conventional methods.
The 3D Viewer Tool adds another layer to the client experience, letting them explore the completed design in interactive 3D from any device. Sharing it is as simple as sending a link. Scale and spatial flow can be difficult to communicate on paper — paired with AI Renders, a 3D virtual tour gives clients the confidence to take the next step without hesitation.
Presentation
Once a design is ready, the next challenge os turning all the project information into a proposal that feel clear, professional, and easy for the client to understand.
For many builders, this is one of the most tedious parts of the sales process. The design may already be done, the renders may be ready, and the pricing may be prepared, but pulling everything together into a polished client proposal often means jumping between Canva, PowerPoint, PDF exports, spreadsheets, and old proposal templates that are either too rigid or too difficult to edit.
It helps builders bring together the key parts of a project, including 3D Viewers, PDF plans, AI Renders, specifications, pricing, inclusions, available options, and next steps, into one clear presentation.
Instead of starting from a blank document every time, builders can begin with suggested proposal templates designed around the way small home projects are actually sold. These templates provide a practical page structure for presenting a customised design, with sections for introducing the project, showcasing the design, explaining the layout, outlining specifications, presenting pricing, and guiding the client toward the next step.
This gives builders a faster way to insert the right content in the right order without needing to design a full proposal from scratch. Pages can be adjusted, removed, duplicated, or added as needed, so the proposal can still be tailored to the client without becoming a complicated custom design task.
The value is not just that the proposal looks better. It helps the client understand the project faster. Instead of receiving disconnected files, flat plans, separate renders, and a pricing document, they get one polished proposal that brings the design story together. They can see the home, understand the layout, review the key details, and know exactly what happens next.
For builders, this creates a more repeatable and professional sales workflow. It reduces the time spent assembling proposals manually, keeps presentations more consistent across the team, and helps move clients toward sign-off, approval, or deposit with greater confidence.
Handoff
When the design is approved and it's time to move into documentation, the 3D Designer exports everything needed to take the project forward. PDF plans are generated directly from the model — accurate, professional documents that give a draftsperson or architect a clear picture of the design intent without any redrawing required.
Alongside the plans, an auto-populated material take-off spreadsheet exports directly from the design. Rather than manually costing a new model from scratch, the material list is already populated and ready to work from — saving hours in the estimation process and reducing the margin for error when putting a quote together.
For those who need to take the model further, the 3D Designer also exports a SketchUp file, allowing the design to be carried into more advanced workflows without having to rebuild from scratch.
For builders, this closes the loop on the entire process — from first sketch to professional handoff — without the design ever leaving the platform. It's a faster, cleaner way to work that reduces errors, saves cost, and keeps the project moving.
Ready to Design your Own?
This cabin design is proof that a small footprint doesn't mean compromising on quality — in the design, the experience, or the process behind it.
What made it possible wasn't a team of designers or an expensive production pipeline. It was a single platform, built specifically for the way small home builders actually work.
If you're a builder who wants to walk into your next client meeting with renders like these, proposals that are ready to go, and a process that runs end to end without the usual friction — book a call with us and let's talk about what you're building.
