Front view blue-door white siding home with small porch and gardens, custom extension in northern beaches

CUSTOM EXTENSIONS

NORTHERN BEACHES

From initial concept to the final touches, AGATHE specialises in crafting custom extensions that elevate your home in Northern Beaches to new heights of elegance and functionality.

CUSTOM EXTENSIONS ON THE NORTHERN BEACHES

At AGATHĒ, we bring your vision for more space to life with expertly crafted custom extensions. We design and build additions that blend seamlessly with your existing home, enhancing both style and functionality. From the first design meeting to the finishing details, our team works closely with you to create a space that reflects your lifestyle and elevates your Northern Beaches home with lasting beauty and value.

AGATHĒ builders on-site with blue walls and greenery, custom extension in northern beaches underway

OUR SERVICES

AGATHĒ specialises in custom extensions that transform Northern Beaches homes into spaces of beauty, comfort, and functionality. Whether you’re looking to expand your living room, add a private master suite, or create a generous outdoor entertaining area, we bring your ideas to life with precision and care. Working alongside trusted local architects and skilled craftsmen, we deliver designs and construction of the highest quality—ensuring your new space blends seamlessly with your existing home and lifestyle.

White staircase with railing leading to a Northern Beaches home, framed by flowering bushes and garden plants.

A LOCAL TOUCH

Based on the Northern Beaches, Agathē proudly serves homeowners on the Northern Beaches of Sydney and all the way to Newcastle. 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.

AGATHĒ builders in a bright hallway, smiling and talking with arms crossed during a Northern Beaches home project.

CLIENT CENTRIC APPROACH

At AGATHĒ, your satisfaction is at the heart of every custom extension we create. From the first consultation to the final handover, we keep communication clear and consistent, ensuring you’re informed and confident at every stage. With meticulous attention to detail and a tailored approach, we design and build extensions that suit your Northern Beaches home, lifestyle, and budget—making the journey from concept to completion smooth, enjoyable, and rewarding.

Elderly woman relaxing in a Northern Beaches custom home living room, reading with wine beside abstract art and decor.

EXCELLENCE IN CRAFTSMANSHIP

With years of experience, AGATHĒ has built a strong reputation across the Northern Beaches for exceptional craftsmanship, thoughtful design, and outstanding customer service. Our team of skilled tradespeople, talented designers, and dedicated project managers work together to deliver results that exceed expectations. From the initial consultation to the final finishing touches, we prioritise clear communication, meticulous attention to detail, and superior workmanship in every custom extension we create.

AGATHĒ craftsman in a Northern Beaches workshop shaping a large wood piece, surrounded by timber planks and brick walls.

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 walking toward a wooden house with a stone wall and large windows, wearing a black jacket and beige pants, with shoes placed near the door.

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 view of a modern living room and kitchen at night with window overlooking dark, cloudy sky, featuring black and wooden furniture, a dining table, chairs, and two people preparing food and setting the table.

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 exteriors with concrete and black metal siding, large glass windows, landscaped yard with rocks and plants, and trees in the background.

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.

SERVICING NORTHERN BEACHES