Welcome to Keystone Builders info@keystonebuilders.com.au 718 Glenferrie Rd, Hawthorn VIC 3122
Licensed & Trusted Building Services

Keystone Builders —
Licensed Builder Hawthorn

Renovations, extensions, and new home builds for homes and businesses in Hawthorn and surrounding areas. One licensed builder from plans to handover.

Call Now — 0412 345 678 Get a Free Quote
  • Licensed & Insured
  • On-Time Service
  • Free Quotes
Licensed builder reviewing plans at a high-end new home by Keystone Builders
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Our Services

Professional Building Services

Bathroom Renovations

Complete bathroom renovations managed end to end — design, waterproofing, tiling, and fit-off, delivered to a fixed quote.

Kitchen Renovations

Full kitchen renovations from layout and cabinetry to benchtops and splashbacks — one licensed builder managing every trade.

Home Renovations

Whole-home renovations that modernise tired houses — reconfigured layouts, new interiors, and quality finishes throughout.

House Extensions

Ground-floor extensions that add living space, bedrooms, or a bigger kitchen — seamlessly tied into your existing home.

Second Storey Additions

Engineer-designed second storey additions that double your space without moving — structure, stairs, and finishes complete.

New Home Builds & Custom Homes

New homes built from your plans or ours — custom designs, quality inclusions, and one builder managing every stage.

Knockdown Rebuilds

Full knockdown rebuild service — demolition, approvals, and a brand new home built on your existing block.

Granny Flats & Secondary Dwellings

Council-compliant granny flats built to maximise your block — ideal for family, guests, or rental income.

General Building Works

From small building jobs to repairs and maintenance — no project too big or small for a licensed builder who finishes to a high standard.

Architecturally designed new home at twilight by Keystone Builders Finished bathroom renovation by Keystone Builders
Why Choose Us

Why Choose Keystone Builders

With over 15 years of experience serving Hawthorn and surrounding areas, Keystone Builders has built a reputation for honest, high-quality building work. We're fully licensed, insured, and committed to delivering quality results on every project — from small renovations to complete new homes.

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Licensed & Fully Insured

Fully licensed and registered builder with comprehensive insurance for your peace of mind.

On Time, Every Time

We respect your time. We show up when we say we will, or we'll let you know in advance.

Satisfaction Guaranteed

We stand behind our work. If you're not happy, we'll make it right.

Clean & Tidy Sites

We run clean, tidy sites and leave your home spotless at the end of every day.

Our Process

How We Work

Simple, straightforward, and stress-free. From first contact to job complete, we make it easy.

01

Discuss Your Project

We'll discuss your project and provide smart solutions.

02

Receive Your Quote

You'll get a clear, upfront quote — no surprises, no hidden fees.

03

We Get to Work

Once you give us the go-ahead, we'll schedule and complete the job.

Testimonials

What Our Clients Say

"Keystone Builders renovated our bathroom and kitchen back to back — on time, on budget, and the finish is faultless. One builder handled every trade for us."
Mark T.
"They built our second storey addition while we lived downstairs. Clear fixed quote up front, spotless site every day, and the new level blends in perfectly."
Sarah L.
"From knockdown to handover our new home took nine months and the communication never dropped once. We would build with them again tomorrow."
David R.
Garage converted into a bright home studio by Keystone Builders
Contact Us

Get in Touch

718 Glenferrie Rd, Hawthorn VIC 3122 0412 345 678 info@keystonebuilders.com.au

Send Us a Message

We'll get back to you within 2 hours.