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Best Granny Flat Designs

Best Granny Flat Designs From Across the Globe

Andrew Scott
March 22, 2025

We Showcase Six Of The Best Granny Flat Designs From Across The Globe.

Interested in the global movement of small living from small cabins in a forest setting to granny flats in your garden? Check out these six options showcasing some of the best granny flat designs and small cabins worldwide, each delivering modern charm, smart functionality, and adaptability to their environments.

1. Tini Prefab Office — Spain

Designed by Ignacio de la Vega and Pilar Cano-Lasso of DelaVegaCanolasso, the Tini Prefab Office embodies minimalist efficiency. Its sleek Cor-Ten steel exterior ages gracefully, blending into natural landscapes. Expansive floor-to-ceiling windows flood the interior with light, while the OSB poplar wood finish creates a warm, organic feel. Compact yet thoughtfully laid out, this unit offers functionality without sacrificing design, making it in our opinion one of the best granny flat designs for nature-inspired spaces.

Best Granny Flat Designs
Tini Prefab Office by DelaVegaCanolasso. Photo: DelaVegaCanolasso
Best Granny Flat Designs
Tini Prefab Office by DelaVegaCanolasso - interior view. Photo: DelaVegaCanolasso

2. Backyard Homes by Cover — USA

Cover's backyard homes are a testament to modern, modular, algorithmic-driven design. Leveraging a proprietary panelised system, these structures feature crisp lines and plenty of glazing. The customisable interiors ensure each “ADU” (Accessory Dwelling Unit, as it is referred to in the US) caters to specific needs, flowing very nicely into outdoor spaces. Their approach reflects one of the best granny flat designs for precision, speed, and efficiency. Many in the industry consider Cover having one of the best design capabilities for backyard living using a panelised system.

Best Granny Flat Designs
Cover by Cover. Photo: Cover
Best Granny Flat Designs
Cover by Cover. Photo: Cover

3. One-Bedroom Backyard by Samara — USA

Samara's One-Bedroom “Backyard” model champions modern simplicity and sustainable luxury. With vaulted ceilings, premium finishes, and large windows for ample natural light, it offers both style and functionality. The eco-conscious design, including optional solar integration, positions it among the best granny flat designs for those valuing sustainability. This granny flat’s layout perfectly balances comfort, quality, and architectural design. Larger models are also available.

Best Granny Flat Designs
The Backyard by Samara. Photo: Samara
Best Granny Flat Designs
The Backyard by Samara - interior view. Photo: Samara
Best Granny Flat Designs
Best Granny Flat Designs 2025, as voted by PP Mini Homes.
...then back across the Atlantic, and Down Under...

4. The Weekend Slope by Manta North — Europe

Though not necessarily specified for a garden/backyard setting, the Weekend Slope by Manta North features a distinctive double-pitched roofline and durable cross-laminated timber (CLT) construction that we think would nicely complement any garden setting. Minimalist interiors with natural wood finishes emphasise smart, efficient use of space. This design stands out among the best designs for those who appreciate Scandinavian simplicity.  In Europe, Manta North prefabricate their cabins in Estonia, and then deliver to sites across the Continent.

Best Granny Flat Designs
The Weekend Slope by Manta North. Photo: Manta North
Best Granny Flat Designs
The Weekend Slope by Manta North - interior view. Photo: Manta North

5. Cabins by Koto — UK

Koto Cabins fuse Nordic minimalism with sustainable design. The charred timber cladding and expansive glazing create a tactile connection with nature. The interiors are refined and minimalist, with natural materials enhancing the organic feel. These cabins are undeniably some of the best granny flat designs for those seeking a harmonious blend of form - characterised by its understated chicness - and practical function.

Best Granny Flat Designs
Koto Cabins. Photo: Koto Cabins
Best Granny Flat Designs
Koto Cabins - interior view. Photo: Koto Cabins

6. The Edge by Pleysier Perkins Mini Homes — Australia

We can’t resist our very own The Edge Luxury Granny Flats, defined by their skillion roofs, clean lines, and open, flexible layouts, available as either a 1- or 2- bedroom. Features like a linear kitchen and optional bay window seats enhance functionality. Screening variations provide privacy, where necessary. The combination of modern design and durability makes it a standout granny flat for contemporary Australian living. Available as either a one- or two-bedroom.

Best Granny Flat Designs
The Edge - 1-bedroom, corrugated iron façade, by Pleysier Perkins Mini Homes. Photo: PP Mini Homes
Best Granny Flat Designs
The Edge - 2-bedroom, by Pleysier Perkins Mini Homes. Photo: PP Mini Homes
Best Granny Flat Designs
The Edge - 1-bedroom, timber façade, by Pleysier Perkins Mini Homes. Photo: PP Mini Homes
Best Granny Flat Designs
The Edge - interior view, by Pleysier Perkins Mini Homes. Photo: PP Mini Homes

About Pleysier Perkins Mini Homes

Pleysier Perkins Mini Homes delivers high-quality architecture to your garden in Melbourne and beyond.

We offer pre-designed Models and Custom Designs, with a service that is purposefully flexible, to suit all requirements.

Our Models are cost effective and time efficient, while our Custom Design service suits more complex and unique projects.  Either way, we will consider your site and brief before confirming the optimum design solution and construction methodology.

Our architects, Pleysier Perkins, have over twenty years’ experience in residential and prefabricated architecture. In partnership with our longstanding prefabricators and contractors, we design and deliver your ideal mini home in a seamless, four-stage process.

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