Bathroom Renovations
Complete bathroom renovations managed end to end — design, waterproofing, tiling, and fit-off, delivered to a fixed quote.
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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.
We Have More Than 15+ Years Of Building Experience
What We Offer
Professional Building Services
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.
Clean & Tidy Sites
We run clean, tidy sites and leave your home spotless at the end of every day.
Satisfaction Guaranteed
We stand behind our work. If you're not happy, we'll make it right.
What We Do
Our Building Services
Kitchen Renovations
Full kitchen renovations from layout and cabinetry to benchtops and splashbacks — one licensed builder managing every trade.
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Home Renovations
Whole-home renovations that modernise tired houses — reconfigured layouts, new interiors, and quality finishes throughout.
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House Extensions
Ground-floor extensions that add living space, bedrooms, or a bigger kitchen — seamlessly tied into your existing home.
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Second Storey Additions
Engineer-designed second storey additions that double your space without moving — structure, stairs, and finishes complete.
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New Home Builds & Custom Homes
New homes built from your plans or ours — custom designs, quality inclusions, and one builder managing every stage.
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Knockdown Rebuilds
Full knockdown rebuild service — demolition, approvals, and a brand new home built on your existing block.
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Granny Flats & Secondary Dwellings
Council-compliant granny flats built to maximise your block — ideal for family, guests, or rental income.
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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.
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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.
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Jobs Completed
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Years Experience
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Happy Customers
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."
"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."
"From knockdown to handover our new home took nine months and the communication never dropped once. We would build with them again tomorrow."
Feel Free To Contact Us
Let's Get in Touch
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