Seaside terrace with ocean panorama in contemporary granny flat design for Avalon Beach properties

GRANNY FLATS

AVALON BEACH

AGATHĒ builds quality granny flats in Avalon Beach, bringing expert craftsmanship and Northern Beaches knowledge to create spaces that add value and work for your lifestyle.

GRANNY FLATS IN AVALON BEACH

See how we turn backyard spaces into beautiful, self contained homes. Our granny flat gallery shows careful building, modern design, and how we blend new structures with your existing property, creating practical solutions for family living, guests, or rental income with quality finishes and clean design.

Coastal dining space with seamless indoor-outdoor flow for granny flats in Avalon Beach
Striking contemporary granny flat in Avalon Beach with floor-to-ceiling glazing and alfresco areas
Breathtaking ocean vistas from integrated living and kitchen area in Avalon Beach granny flat
Dark-toned modern granny flat in Avalon Beach with wraparound deck and leafy garden setting
Charcoal-clad granny flat in Avalon Beach surrounded by lush landscaping and mature vegetation
Modern granny flat in Avalon Beach with metal-detailed deck and stylish outdoor relaxation space

WONDERING WHERE TO START?

Set on the northern peninsula of the Northern Beaches, Avalon Beach offers relaxed coastal living with pristine beaches, village charm, and a strong creative community. Many homes, from classic beach houses to architect-designed retreats, sit on generous blocks surrounded by natural beauty. Whether you need a compact studio, a spacious two-bedroom home, or a dedicated office space, we design and build granny flats that embrace Avalon's laid-back coastal character while creating independent living that adds comfort, function, and property value.

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DISCOVER OUR SERVICES

HOME RENOVATIONS

From partial to full-scale renovations, our services are designed to transform your existing spaces into stunning, family living environments.

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CUSTOM EXTENSIONS

Expand your Northern Beaches Home with our bespoke extension solutions that seamlessly integrate with your home’s current design, enhancing both space and value.

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PRE CONSTRUCTION

Start your build the right way with our PAC-certified pre-construction process – a collaborative approach that aligns your design, budget, and timeline.

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ALTERATIONS & ADDITIONS

Refresh your existing space with thoughtful alterations and additions that enhance flow, functionality, and the way your home supports your lifestyle.

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HEALTHY HOMES

Prioritise wellness and sustainability with our Healthy Homes approach – designed to improve air quality, light, and overall comfort in every corner.

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ARCHITECTURAL CONSTRUCTION

Bring your architect’s vision to life with precision. Our expert team delivers complex builds with clarity, care, and exceptional craftsmanship.

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PROJECT MANAGEMENT

From design to delivery, we manage every detail of your build to ensure a smooth, on-time, and on-budget build that reflects your vision.

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GRANNY FLATS

Create flexible, modern living spaces with our custom-designed granny flats – ideal for multigenerational living, guests, or extra income.

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CHALLENGING SITES

No site too steep or complex – we specialise in building on challenging terrain with smart solutions that maximise space, access, and design potential.

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