Can you help me create more living space within my current home in Hills District?

Absolutely! If your current home feels inadequate to accommodate your growing family or appears cluttered despite your best efforts, we have the solution for you. Our experienced home extension builders in Hills District and surrounding Sydney areas can create tailor-built home extensions within your existing home. With over 40 years of industry excellence, we have helped countless homeowners add custom extensions that seamlessly blend with their home's architecture and suit their lifestyles. So, if you want to add value to your property, upgrade your lifestyle, or change your home's layout, we can help you achieve your desired outcome with bespoke house extension designs.

What types of home extensions can you build in Sydney?

When we talk about home extensions in Sydney, we offer solutions that go beyond small-scale constructions like decks or pergolas. Our team of in-house designers and extension builders can create complete new storeys, outdoor entertainment areas, and even underground house extensions. We are dedicated to turning your home into a dream come true, and there's nothing unachievable when it comes to our services.

How do you ensure a stress-free home extension project?

Our mission is to minimise stress and unexpected delays during your home extension project. We have streamlined the processes to handle everything from design and consultation to planning, approvals, project management, and the final handover. Before starting the extension, we consider factors such as the size of your family, your lifestyle requirements, project objectives, budget, estimated time, unutilized space in your home, and necessary permits and council approvals. With a detailed proposal outlining every detail, we aim to deliver exceptional results through quality craftsmanship, competitive pricing, and timely completion.

Transform Your Home with a Quality House Extension

Name: Home Extensions Hills District | Home Extension Builders Sydney
Brand: Rebilt

Rebilt’s Trusted House Extension Builders in the Hills District make adding an addition to a house seamless and satisfying.

Looking to expand your living space with a sun room extension, first-floor extension, or double storey extension? We handle it all—from granny flat extensions to double story extensions—delivering quality you can count on.

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Why Work with Us: Home Extension Builders Near You

We’re experienced extension builders who listen, design, and build extensions near me that enhance lifestyle and comfort.

Popular Extension Services We Offer

Single-Story Extension

Ideal for extra living space or a bigger kitchen—without breaking the bank on single story extension cost.

Second Story Extension

A smart innovation with second story extension cost in mind—adding space and increasing home value.

First Floor / 1st Floor Extension

Got growing needs? Our 1st floor extension solutions perfectly blend form and function.

Sun Room & Conservatory Extension

Bring the outdoors in year-round with bright, light-filled additions.

Granny Flat Extensions

Independent, comfortable, and cost-effective living—perfect for in-laws or rental income.

Basement Extension Under Garden

Go vertical with a basement extension under garden—adding valuable lower-level spaces.

★★★★★

“Michael and Neil, you guys have got a lot more going for you than other builders or renovation companies. With the industry knowledge you guys have, you’re able to “think outside the square.” Your advice is second to none. You provided all the options. Thank you. The work is outstanding. Happy to continue to refer you on and I always get great feedback.”

Colin Berry

Ermington, NSW

★★★★★

“Hi Neil Kristin and I wanted to say “Thank you!”. The insurance company paid out in full today, so thanks for all the work and the liaison with the insurance people! It is all looking great! Let me know when you can come and look at the other work we discussed.”

John & Kristin Fildes

Neutral Bay, NSW

★★★★★

“We chose to go with Michael from Rebilt because they were different. Different in that they looked at ways to solve all our problems rather than just say yes to any question we had. It turns out it will be a bigger job, but we couldn’t be happier. I would recommend happily Michael and the team from Rebilt.”

David Tan

Baulkham Hills, NSW

Transparent House Extension Cost & Home Extension Prices

Our role as your home extension builder is to deliver clear budgets, so you understand your investment.

Curious about house extension cost or home extension cost? We break everything down:

Transparent House Extension Cost & Home Extension Prices

Our role as your home extension builder is to deliver clear budgets, so you understand your investment.

Curious about house extension cost or home extension cost? We break everything down:

The Rebilt Difference: Extension Builders You Can Trust

We don’t just build— we partner. Here’s what sets us apart:

Collaborative Design: We work closely with you on house extensions and renovations that suit your style and budget.
Local Expertise: As extension builders near you, we know council requirements, heritage zones, and local architecture.
Quality Guaranteed: Whether it’s a sun room extension, granny flat extensions, or a second story extension—our standards set us apart.
Upfront Communication: From house extension prices to project timelines, we talk it through clearly.

The Rebilt Difference: Extension Builders You Can Trust

We don’t just build— we partner. Here’s what sets us apart:

Collaborative Design: We work closely with you on house extensions and renovations that suit your style and budget.
Local Expertise: As extension builders near you, we know council requirements, heritage zones, and local architecture.
Quality Guaranteed: Whether it’s a sun room extension, granny flat extensions, or a second story extension—our standards set us apart.
Upfront Communication: From house extension prices to project timelines, we talk it through clearly.

How to Begin Your Extension Journey

Free Consultation

We discuss your vision, whether it’s a home extensions near me search or specifics like granny flat extensions.

Personalised Proposal

Get a tailored plan with transparent pricing for your single story extension cost, double storey extension, or basement extension under garden.

Seamless Design & Approval

We handle drafting, permits, and council liaison so you don’t have to.

Expert Build

Our licensed and insured teams bring your home extension to life—on time, on budget, and with Rebilts quality.

Ready to Add Space and Value?

If you’ve been dreaming about adding an addition to a house—or a conservatory extension—contact Rebilt now. Our house extension builder team is here to guide you every step.

Call 1300 REBILT or fill out the form to book your free consultation.