What types of custom extensions do you build in Westleigh?

We specialize in bespoke home extensions in Westleigh including kitchen extensions with modern island benches, bathroom additions with luxury finishes like Venetian micro-cement, structural modifications for enhanced floor plans, and complete home transformations. Our extensions are designed to complement Westleigh's tranquil bushland setting and established community character while seamlessly integrating with your home's existing architecture and enhancing both space and property value. We have particular expertise in bushland-sensitive designs and sloping site construction.

Can you renovate older homes in Westleigh?

Absolutely. We have extensive experience transforming older properties in Westleigh, including 1950s weatherboard houses, into modern homes while respecting their heritage character and the suburb's tranquil bushland aesthetic. Our approach includes sensitive structural modifications to improve floor plans, updating internal and external surfaces, installing premium finishes, and enhancing functionality through thoughtful design that honors the home's original charm while embracing Westleigh's peaceful, natural surroundings and established community character.

What makes AGATHĒ different from other builders in Westleigh?

AGATHĒ embodies three core values: Quality, Generosity, and Honor. We're committed to exceptional craftsmanship with premium finishes, transparent and collaborative processes, and our unique charitable initiative of building a house for every house built. We specialize in healthy, high-performance homes that prioritize wellness, sustainability, air quality, and natural light—particularly important in bushland suburbs like Westleigh. Our PAC-certified pre-construction process and education-led approach ensure you're informed and confident throughout your build, with particular sensitivity to bushland environments, heritage character, and the peaceful lifestyle Westleigh residents value.

Do you offer design services for custom extensions in Westleigh?

Yes, we offer comprehensive pre-construction services including design collaboration, budget alignment, and timeline planning. Whether you're working with your own architect or need design guidance, our PAC-certified pre-construction process ensures your vision, budget, and timeline are perfectly aligned before construction begins. We also specialize in architectural construction, bringing complex designs to life with precision and care while respecting Westleigh's planning considerations, bushland protection requirements, terrain challenges, and tranquil community character.

What areas do you service for custom extensions?

While we're based on Sydney's Northern Beaches, we service Westleigh and the broader Upper North Shore and Hills District regions. We specialize in luxury renovations and custom extensions throughout Sydney's premium suburbs, bringing our expertise in premium craftsmanship, healthy homes construction, bushland-sensitive design, and bespoke renovations to discerning homeowners who value quality, environmental harmony, and exceptional results.

Do you work with council requirements in Westleigh?

Yes, we have extensive experience navigating Hornsby Shire Council requirements for Westleigh properties. Our pre-construction process includes thorough assessment of planning regulations, heritage considerations, bushland protection requirements, bushfire-prone land regulations where applicable, and local building codes. We manage all council approvals, certifications, and compliance requirements, ensuring your extension project meets all necessary standards while achieving your design vision and respecting Westleigh's tranquil bushland character and environmental controls.

Can you build extensions on bushland properties in Westleigh?

Yes, we have extensive experience with bushland-adjacent and bushfire-prone properties throughout Westleigh. We understand the specific requirements for building in these sensitive environments, including bushfire attack level (BAL) assessments, vegetation management, tree preservation orders, and construction standards for bushfire protection. Our approach balances safety compliance with design excellence and environmental sensitivity, creating extensions that complement the natural bushland setting while meeting all regulatory requirements and protecting your investment. We prioritize healthy homes principles that are particularly well-suited to Westleigh's natural environment.

CUSTOM EXTENSIONS

WESTLEIGH

This home renovation transformed a 1950s property with modern kitchen design, micro-cement bathrooms, and updated layout. Premium finishes and new driveway enhanced functionality while honouring the suburb's established residential character and natural surroundings.

CUSTOM EXTENSIONS IN WESTLEIGH

This transformative project breathed new life into a rundown 1950s weatherboard house, seamlessly blending its historic charm with contemporary flair. Extensive structural modifications facilitated significant alterations to the floor plan, enhancing spatial flow and functionality. The renovation showcased two meticulously crafted bathrooms adorned with Venetian micro-cement rendered surfaces, embodying modern sophistication.

A redesigned kitchen, complete with an inviting island bench, became the heart of the home. The addition of a new driveway enhanced accessibility and curb appeal, while comprehensive updates to both internal and external surfaces revitalized the property’s aesthetic appeal. This project exemplifies the seamless integration of bespoke design and meticulous craftsmanship, resulting in a home that harmoniously balances heritage charm with contemporary living.

Elegant entrance with black door, white railings and professionally landscaped gardens at a Westleigh property with custom extension

Bright white kitchen with island, black pendant lights and hardwood floors—premium Westleigh custom extension by AGATHĒ builders

Contemporary bathroom with corner shower, dark blue tiles and frosted window at a Westleigh custom extension renovation

Wall-mounted kitchen faucet with blue subway tile backsplash detail from a Westleigh home undergoing custom extension renovation

Skylight installation with white cabinetry in a Westleigh custom extension interior renovation

Front porch detail with large white window, tiled flooring and succulent planter box—part of custom extension work in Westleigh

Dual window exterior with pink flowering garden beds showcasing custom extension craftsmanship in Westleigh

Built-in mudroom hooks with timber ledge and hardwood flooring in a Westleigh home featuring custom extension work

Modern bathroom featuring blue subway tiles, timber vanity and walk-in shower in a luxury Westleigh custom extension

AGATHĒ builders reviewing completed custom extension project in Westleigh, demonstrating quality craftsmanship and professional collaboration

Garden view through window with flowering landscape at a Westleigh property featuring quality custom extension work

WONDERING WHERE TO START?

Transform your Westleigh home with Sydney's trusted renovation experts. Whether you're dreaming of a stunning extension, luxury kitchen upgrade, or complete home transformation, we make visions reality. Ready to start your journey? Book a consultation and let's create something extraordinary together.

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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.

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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.

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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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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.

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Interior of a modern, well-lit living area at night with a view of the dark, cloudy sky through large windows.

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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Modern house with concrete and black metal exterior, large glass windows, and minimalist landscaping, surrounded by trees and rocky ground.

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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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.

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CUSTOM EXTENSIONS

WESTLEIGH

CUSTOM EXTENSIONS IN WESTLEIGH

WONDERING WHERE TO START?

DISCOVER OUR SERVICES

HOME RENOVATIONS

CUSTOM EXTENSIONS

PRE CONSTRUCTION

ALTERATIONS & ADDITIONS

HEALTHY HOMES

ARCHITECTURAL CONSTRUCTION

PROJECT MANAGEMENT

GRANNY FLATS

CHALLENGING SITES

READY TO BUILD?

FROM SYDNEYS NORTH TO NEWCASTLE

Healthy Homes. Honest Work. Built to Last.