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Licence No. 298461C  ·  HBCF Insured  ·  Fixed Price Contracts

Built Right,
From The Ground Up.

New homes, renovations and extensions across Sydney's Hills District and surrounds. We bring transparency, fixed pricing and a quality finish to every project.

NSW Builder's Licence Lic. No. 298461C
HBCF Cover Included Home Building Compensation Fund
Fixed Price Contracts No surprise variations
About GroundUp

Fifteen Years. One Standard.

We started GroundUp Builders in 2009 with one belief: that residential construction should be straightforward, properly priced, and done to a standard the owner can actually be proud of. Every project gets our principal builder on site — not a rotating crew of subcontractors you've never met.

From first site consultation to handover, we keep you informed at every stage. No surprises. No variation padding. Just quality work delivered on schedule.

NSW Builder's Licence No. 298461C Home Building Compensation Fund (HBCF) cover included on all contracts over $20,000
15+
Years building across Greater Sydney
230+
Residential projects completed
$0
Hidden variation fees — ever
97%
Clients who return or refer us
What We Build

Every Stage of Your Property's Life

From vacant block to finished home, or breathing new life into an existing property — we have the crew, the licence and the track record.

Fixed Price Contracts on All Projects Your quote is your price. We absorb overruns, not you.

Typical build durations are listed on each service — so you can plan your life around the project, not the other way around.

New home construction

New Home Construction

Knockdown rebuilds, sloping blocks, split-level homes and dual-occupancy. We work with your architect or can recommend one — and we lock in a fixed price before a single slab is poured.

Typical build: 26 – 40 weeks
Full home renovation

Full Home Renovation

Whole-house transformations including structural changes, kitchen and bathroom upgrades, new flooring, re-roofing and everything between. One builder, one contract, one point of contact.

Typical timeline: 8 – 20 weeks
Extensions and second storeys

Extensions & Second Storeys

Ground floor additions, second storey additions, granny flats and detached studios. We handle DA and CC applications in-house with our certifier — no project management headaches for you.

Typical timeline: 12 – 24 weeks
Trade Partners

We Build for Subcontractors Too

Framers, roofers, painters and other specialist trades — if you want to win more direct client work but don't hold a builder's licence, partner with GroundUp. We supply the licence, the contracts and the site supervision. You deliver your trade.

  • We carry all insurance and HBCF cover — you work under our licence
  • We handle DA lodgement, certifier coordination and council sign-off
  • Transparent split of margin — no surprise deductions at invoice time
  • Preferred trade status on our residential pipeline: consistent work year-round
🪵
Framers & Structural Carpenters Take on framing contracts where the client needs a builder's licence to proceed
🏠
Roofers Retile, metal roof and fascia/gutter work on residential jobs that exceed the HBCF threshold
🎨
Painters & Renderers Renovation and new-build painting where the broader scope requires a licensed builder in charge
🚿
Tilers & Waterproofers Bathroom and wet area fitouts within larger renovation contracts
Why GroundUp

What Sets a Good Builder Apart

Most building disasters come down to the same handful of problems — unlicensed work, vague contracts, builders who disappear after signing. Here's how we handle each one.

Book a Free Consultation

No obligation. We'll walk the site with you, talk through your goals and give you a realistic budget range — before you spend a cent.

Service Area

Servicing Greater Western Sydney

Check Your Suburb
Castle Hill Kellyville Rouse Hill Baulkham Hills Norwest Hills District Parramatta Blacktown Penrith Hawkesbury Richmond Windsor Seven Hills Winston Hills Bella Vista Dural Glenhaven The Ponds

Not sure if we cover your area? Call us — we build within 90 min of the Hills District.

Free Site Consultation

Let's Walk the Site Together

Building is a big decision. We don't believe in hard-sell quotes over email. Tell us about your project and we'll arrange a free site visit — no commitment, no pressure, just an honest conversation about what's possible and what it'll cost.

  • Free site visit — we come to you
  • Written budget range within 5 business days
  • Fixed price formal quote if you proceed
  • HBCF cover included on all contracts over $20k
  • NSW Lic. 298461C — verify at Service NSW
  • No deposit until DA approval (where applicable)

Request a Site Consultation

Tell us about your project and we'll be in touch within one business day.

We'll be in touch within one business day to confirm your consultation time. Your details are never shared with third parties.

02 9876 5432 Call for a Free Consultation