House with blue door, white siding, porch and flowering bushes, custom extensions by Agathe

CUSTOM EXTENSIONS

Sydneys North Shore | Northern Beaches | Hills District | Central Coast | Newcastle

CUSTOM EXTENSIONS

SYDNEYS NORTH SHORE | NORTHERN BEACHES | CENTRAL COAST | NEWCASTLE

Discover the art of extensions with AGATHĒ. Our passion lies in creating unique living spaces that harmonize with your lifestyle and aspirations. From initial concept to the final touches, we specialize in crafting custom extensions that elevate your home in Northern Beaches to new heights of elegance and functionality.

Two workers in AGATHÉ hoodies inside blue-walled build with greenery, Agathe custom extensions

OUR SERVICES

AGATHĒ offers a comprehensive range of custom extension services designed to enhance your living experience. Whether you envision expanding your living room, adding a luxurious master suite, or creating a spacious outdoor entertaining area, our team is dedicated to realizing your vision. We collaborate closely with skilled architects and craftsmen to ensure impeccable design and construction quality for your Sydney home. 

White staircase with railing to house, garden with flowering bushes and plants, Agathe custom extensions

A LOCAL TOUCH

Based in Northern Beaches, Agathē proudly serves homeowners on the North Shore and Northern Beaches of Sydney. As your local renovation experts, we understand the unique challenges and opportunities of renovating in this vibrant community. Our intimate knowledge of the local area enables us to deliver tailored solutions that reflect the distinct character and style of Northern Beaches homes.

Two men in AGATHÉ tees smiling in bright hallway, arms crossed during custom Agathe extensions

CLIENT CENTRIC APPROACH

At AGATHĒ, we prioritise your satisfaction throughout the custom extension process. From initial consultation to project completion, our team maintains transparent communication and meticulous attention to detail for your Northern Beaches home. We tailor each project to your preferences and budget, ensuring a smooth and enjoyable journey from concept to reality.

Elderly woman reading with wine on sectional, abstract art and glass table decor, Agathe-led custom extensions

EXCELLENCE IN CRAFTSMANSHIP

With years of experience in the industry, Agathē has earned a reputation for excellence in craftsmanship, design, and customer service. Our team comprises skilled tradespeople, designers, and project managers who are dedicated to delivering exceptional results on every project. From the initial consultation to the final finishing touches, we prioritise clear communication, attention to detail, and superior workmanship.

Man in beige cap and AGATHÉ tee shaping large wood piece in workshop, extensions custom by Agathe

WONDERING WHERE TO START?

DISCOVER OUR SERVICES

Open sliding glass door to dining area with wooden table and chairs, potted plants outside, white siding, and small porch with wooden steps.

HOME RENOVATIONS

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

Front view of a house with a blue front door and a small porch, surrounded by colorful flowering bushes and a well-maintained lawn.

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.

Man standing in front of a painted van, wearing a hoodie with the word 'AGOTHÉ' on the back, lifting both arms. The van displays a large whale logo and partially visible text.

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.

A person in a baseball cap and dark jacket walking toward a modern house with wood and stone exterior.

ALTERATIONS & ADDITIONS

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

View through a window showing plants and bushes with pink and green foliage in a garden.

HEALTHY HOMES

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

Interior of a modern living room and kitchen area during nighttime, with two people preparing food or drinks at the counter, illuminated by warm lighting, large glass windows revealing a dark outdoor sky with trees.

ARCHITECTURAL CONSTRUCTION

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

Two men in matching black t-shirts and shorts are standing in a bright, white kitchen, smiling and having a conversation.

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.

Modern house exterior with large glass windows, concrete and black metal siding, and landscaped yard with rocks and plants, overlooking a wooded area with tall, leafless trees.

GRANNY FLATS

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

A man kneeling on the ground installing a verticale support beam between a brick and stone wall, with a power drill in his hand and construction tools around him.

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.