Take half the house, prop the rest, and hand the builder a clean site.
Half house demolition is the job we get asked for most on good homes in good suburbs. Keep the front, take the back, or keep the ground floor and take the top. The part that stays has to be supported, and it has to stay watertight and safe while the new work goes up.
We prop it, we demolish it, and we do the detailed excavation for the new footings, all with one crew and one programme.
Sydney and greater NSW, Brisbane and South East Queensland, and along the East Coast. Most of this work is on high end homes and renovations where the neighbours are close and the finish matters.

Services
Half House Demolition
Rear, upper or side portions removed with the retained part propped and protected.
Partial Demolition
Selective removal of a wing, a garage, a top floor or an extension, leaving the rest untouched.
Structural Propping
Engineered temporary support installed before anything is removed, and struck in the right order.
Party Wall Work
Terraces and semis where the neighbour is relying on the wall you are about to expose.
Detailed Excavation
Footing trenches and pads cut to level once the demolition is done, ready for the concreter.
Make Safe and Weatherproof
Temporary roofing, hoarding and protection so the retained half stays dry and secure.
Experience
Hundreds of partial and half house demolition projects across Sydney, Brisbane and the East Coast, most of them on occupied streets with a neighbour on each side.
All of this experience has allowed us to develop our own processes and procedures that optimise efficiency and dramatically increase safety.
By constantly innovating with new machines and technology such as our fleet of Electric Twinca Dumpers, this allows us to load out up to 60% faster than traditional methods while also reducing risk to our team members.
With a long history of innovation, the Perfect team is dedicated to the delivery of world-class client outcomes. We foster an energetic culture that encourages dynamic thinking and the use of technology to achieve intelligent solutions.
This progressive environment makes conditions safer, more sustainable and have the utmost efficiency.

Approach
Safety
Safety is at the forefront of our operations across Australia, demonstrated by our Occupational Health and Safety Management Systems being certified to AS/NZS 4801:2001, our exemplary safety record and comprehensive internal structures and processes. We encourage open communication with the aim of creating greater awareness to help reduce injuries and improve our safety performance. We recognise that the involvement of managers in the safety management process is critical, particularly at the site manager and supervisor level.
Strong Team
We understand the risks and challenges that project managers face every day, which is why we are committed to providing a responsible and flexible workforce equipped to deliver quality outcomes on commercially sensitive projects. Our employees are honest and punctual, carefully selected to represent the Perfect Strip Out & Demolition culture. We're a tight-knit team and believe a respectful and supportive onsite environment is critical to cooperation, problem solving and time management.
Technical Expertise
Since the company was established in 2010, we have grown quickly, delivering on significant flagship projects including Town Hall Train Station, Circular Quay Train Station and Sydney International Airport. Backed by a team of skilled estimators, project managers, site managers and tradesmen, our team are reliable, highly qualified professionals who work hard to deliver truly exceptional service and quality projects for our clients.
Fleet
Perfect operates its own fleet of heavy-duty state-of-the-art machinery ranging from nimble 0.8t excavators to large positracks to 35t excavators.
Additionally we operate an armada of hook trucks and skips, tippers, EWP's, forklifts, Brokks, lifts, scaffolding and almost every tool known to man.With our continued investment in emerging technologies, safety and innovation, Perfect's service scope ranges from the simple & straightforward to the thoroughly technical to the downright demanding.

People
The key to Perfect's continual success is down to one key factor, Our People.
Our crews are the ones out there doing the hard graft every single day, ensuring your project gets delivered on time, every time. Because that's what we do. We get it done.From management and operations to engineering and estimating to supervisors and ground workers, Perfect Strip Out & Demolition hires only the best. Continual improvement processes ensure regular training, new tickets and upskilling.Projects
A residential complex in Beaconsfield needed a package of remediation and building work across several areas at once: upper level facade access, water damaged units inside, and a rooftop terrace
A private home in Kingsford had concrete cancer through the balcony soffit and no drawings to say what the slab could carry. Perfect Group was engaged to take the balcony
A high-end residential property in Palm Beach needed structural strengthening and concrete repairs across several elements, with finishes that could not be marked and neighbours who could not be disturbed.
The part that stays is the hard part
Anyone can knock over half a house. The skill is in what is left standing afterwards.
The retained half has lost bracing, lost a roof line, and often lost the wall that was tying it together. So the temporary works get designed by an engineer first, we install them before a single thing is removed, and they stay until the new structure is in and has gained strength.
Then the weather. A half demolished house with an open face will let water into the part you are keeping, and water damage on a good home is expensive and slow to fix. We make it safe and weatherproof as part of the job rather than leaving it to the builder to sort out on Friday afternoon.
Terraces, semis and party walls
If you are demolishing one half of a semi or one of a terrace row, you are working on a wall you do not own, and the neighbour has rights.
That normally means a dilapidation report before you start, notice to the adjoining owner, and a propping design that supports the party wall laterally once the bracing on your side is gone. It also means somebody on site who will talk to the neighbours properly, which matters more than people expect.
We do this work often. It is not the job to give to whoever is cheapest.
Straight into the excavation
On most of these jobs the demolition is only half of what you actually need. Once the back is off, the slab is out and the rubble is gone, somebody has to dig the footings for the extension.
We keep going. Detailed excavation to the engineer's set out, service protection, spoil classified and carted on our own trucks, and the site handed to the concreter ready to pour. One contractor from the first prop to the last truckload.
If the ground turns out to be contaminated, which happens more often than people expect on older residential sites, that is handled in house under our group licences rather than stopping the job.
What it is like to live next to
These jobs happen on quiet streets. So we work to the hours, keep the trucks off the road at school times, wash the street rather than leave it, and keep the hoarding looking like somebody cares.
It is not a marketing line. On a six month renovation the neighbours have to live next to it, and a complaint to council can cost you weeks.
Sydney 02 7908 4944. Brisbane and South East Queensland 07 2145 6581.
FAQs
Do you design the propping?
We install to a structural engineer's design. We can bring the engineer in and on repeat residential work that is usually the fastest way to get moving.
Can you keep the house watertight while the work goes on?
Yes. Temporary roofing, wrapping and protection to the retained section is part of how we price these jobs. Leaving an open face through a wet week is how good homes get damaged.
What about the neighbours in a semi or terrace?
There is usually a dilapidation report and a notice to the adjoining owner, and the propping design has to support the party wall once your side is removed. We do this regularly and we will walk you through what is required.
Do you do the excavation for the new footings too?
Yes, and most clients want it that way. One contractor from propping through demolition to detailed excavation means no gap and nobody blaming anybody else.
Where do you work?
Sydney and greater NSW, Brisbane and South East Queensland, and up and down the East Coast. Most of this work for us is on high end residential.
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Related services
- Swimming pool removal, Sydney same crews, same plant
- Underpinning, Sydney if the footings need support first
- Houses and dwellings
Half house demolition by city
We have written a page for each of the areas we cover most, with the local number and the housing stock we see there. Half house demolition and structural propping in Sydney, Wollongong, Newcastle, Brisbane, Gold Coast and Sunshine Coast.

Perfect Stripout & Demolition acknowledges the Aboriginal and Torres Strait Islander people as Traditional Custodians of the country on which we live and work. We pay our respects to the Traditional Custodians and Elders past, present and future, and honour their connection to the land and ongoing contribution to society.