Tranquil deck with sweeping ocean vistas and modern interior design for granny flats in Whale Beach

GRANNY FLATS

WHALE BEACH

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

GRANNY FLATS IN WHALE 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.

Light-filled dining room with ocean-view balcony and elegant furnishings for granny flats in Whale Beach
Sleek black granny flat in Whale Beach featuring full-height windows and native coastal landscaping
Designer kitchen with breathtaking water panoramas through large windows for granny flats in Whale Beach
Contemporary black granny flat in Whale Beach with hillside terrace and leafy garden privacy
Architecturally designed granny flat in Whale Beach with metal patio framework and bushland views
Modern granny flat in Whale Beach with expansive glass walls and private outdoor retreat

WONDERING WHERE TO START?

Nestled between Palm Beach and Avalon, Whale Beach offers exclusive coastal living with a pristine crescent beach, dramatic headlands, and unmatched natural beauty. Many homes, from classic beach retreats to luxury architect-designed properties, sit on premium elevated blocks with spectacular ocean views and privacy. Whether you need a compact studio, a spacious two-bedroom home, or a dedicated office space, we design and build granny flats that honour Whale Beach's prestigious coastal character while creating independent living that adds comfort, function, and property value.

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.

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.

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.

ALTERATIONS & ADDITIONS

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

HEALTHY HOMES

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

ARCHITECTURAL CONSTRUCTION

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

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.

GRANNY FLATS

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

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.