Refined dining space with ocean-view deck and pendant lighting for granny flats in Palm Beach

GRANNY FLATS

PALM BEACH

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

GRANNY FLATS IN PALM 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.

Elegant dining room opening to ocean-view deck ideal for granny flats in Collaroy
Contemporary black granny flat in Collaroy with full-height glazing and established native landscaping
Designer kitchen with sweeping coastal views through expansive glazing for granny flats in Collaroy
Black modern granny flat in Collaroy with rooftop entertaining deck and leafy garden surrounds
Architecturally striking granny flat in Collaroy with metal-framed outdoor area and hillside setting
Sleek granny flat in Collaroy featuring large windows and modern outdoor relaxation patio

WONDERING WHERE TO START?

At the northern tip of the Northern Beaches peninsula, Palm Beach offers exclusive beachside living with spectacular ocean and Pittwater views, pristine beaches, and unmatched natural beauty. Many homes, from classic beach retreats to luxury architect-designed residences, sit on premium blocks with privacy and breathtaking outlooks. Whether you need a compact studio, a spacious two-bedroom home, or a dedicated office space, we design and build granny flats that honour Palm 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.