ONQ Building Group

    Our Renovation Services

    Whatever your home needs, we've got it covered.

    Registered building practitioner Family-owned Fixed-price quotes West · North · Geelong
    ONQ Building Group offers a full range of renovation and building services across Melbourne's western suburbs and inner city. We're a family-owned, registered building business, and whether it's a single bathroom or a whole-home transformation, you get one team, one clear plan, and a fixed, itemised quote before we start.
    What we do

    A Full Range of Renovation Services

    ONQ Building Group offers bathroom renovations, kitchen renovations, full home renovations and home extensions across Melbourne, plus fully finished small homes and granny flats through our sister brand, The Small Home Co. Every project is led by a registered building practitioner and comes with a fixed, itemised quote.

    Bathroom Renovations

    From tired and leaking to warm and beautiful. We renovate bathrooms across Melbourne from a fixed price of $23,000, completed by a registered builder and backed by a timeline guarantee, so you know exactly where you stand before we start.

    Explore Bathroom Renovations

    Kitchen Renovations

    The heart of the home, done right. We design and build modern, open-plan kitchens that suit how your family actually lives, on time and on budget, from cabinetry and benchtops to the finishing touches.

    Explore Kitchen Renovations

    Home Renovations

    From a single tired room to a whole-home transformation, we renovate with care, clear timelines and craftsmanship you can feel underfoot. One team handles the lot.

    Explore Home Renovations

    Home Extensions & Additions

    Need more room? We add space that flows naturally with your existing home, from ground-floor extensions to second-storey additions, with all the permits handled for you.

    Explore Home Extensions
    Our brands

    Small Homes & Granny Flats

    Sometimes the smartest way to add space is a whole new home in your own backyard. Through our sister brand, The Small Home Co, we deliver a real, fully finished home installed on your property in as little as 7 days, from $60,000, move-in ready and backed by ONQ Building Group.

    Explore the Small Home Co
    How we work

    A Simple, Clear Process

    We keep the process simple and clear, so it feels less like a building site and more like a plan coming together.

    01

    A friendly chat

    A no-pressure conversation about your project, your ideas and your budget.

    02

    Design and fixed quote

    We plan the work around how your family lives, then put it all in writing with a fixed, itemised price.

    03

    The build

    One managed team handles every trade, on a clear timeline, with regular updates so you're always in the loop.

    04

    Handover

    We hand back a home that's ready to live in, and stand behind the work long after we leave.

    What does it cost?

    Understand the Numbers First

    We believe you should understand the numbers before you commit to anything. For an honest breakdown of what bathrooms, kitchens, renovations and extensions cost across Melbourne, have a read of our guide. And whatever your project, you'll always get a fixed, itemised quote once we've seen your home.

    Read the Melbourne Renovation Cost Guide
    Modern kitchen renovation with white cabinetry and timber flooring
    Where we work

    Across Melbourne's West, North
    and Inner City

    We renovate homes and build extensions right across Melbourne's western suburbs and inner city.

    West

    Melton, Caroline Springs, Bacchus Marsh, Taylors Hill, Hillside, Rockbank, Tarneit, Werribee, Hoppers Crossing, Williamstown and Altona.

    North

    Brunswick, Coburg, Reservoir, Preston, Epping, Broadmeadows and Pascoe Vale.

    Geelong

    Geelong and all surrounding coastal & regional suburbs.

    See All Areas We Serve
    See our work

    Real Homes. Real Families. Real Results.

    The best way to know what we do is to see it. Our portfolio brings together real renovations from families across Melbourne, with the suburb, the scope and the before-and-after for each one.

    View Our Portfolio
    Why ONQ

    What Sets Us Apart

    A registered builder you can trust

    Every project is led by Brendan Cefai, a registered building practitioner, so everything is completed to code and properly backed.

    Fixed, itemised pricing

    You'll know the number before we begin, and where every dollar is going.

    Communication you don't have to chase

    We keep you updated at every stage, so you're never left wondering.

    Family-owned and local

    We work across Melbourne's western suburbs and inner city, and treat every home like our own.

    Services FAQ

    Questions People Often Ask

    Let's talk

    Let's Talk About Your Project

    Not sure where to start? That's exactly what we're here for. Book a friendly ten-minute chat with Brendan. No pressure, no hard sell. Just honest advice, a clear next step, and a fixed-price quote you can trust.

    Family-owned. People first. Quality always.