Shed, Garage and Outbuilding Demolition in Melbourne

Outbuilding demolition is the job people assume will be quick and cheap. Sometimes it is. Often it is not, and the reasons have very little to do with the size of the structure.

A single garage can cost more to remove than its footprint suggests because of where it sits, what it is made of, and what is underneath it. Here is what actually drives the work.

Access decides more than size

The first question on any outbuilding job is how the machine and the trucks get to it.

A garage at the front of a block with a clear driveway is straightforward. A shed at the rear of a long, narrow inner-suburban block, behind a house that is staying, is a different job entirely. Everything has to come out through a side access that may be barely wider than a wheelbarrow, and that can mean hand demolition and barrowing material to a truck on the street.

Where a rear structure can only be reached past a dwelling that is remaining, protection of that dwelling becomes part of the work too. Fences, paving, gardens and services along the access route all have to survive the process.

This is why two identical garages can carry very different prices. The structure is the same. Getting it out is not.

Asbestos is common in exactly these buildings

Older Melbourne sheds, garages and lean-tos are among the most likely structures on any property to contain asbestos. Fibre cement wall sheeting, corrugated roofing, and the flat sheeting used on eaves and internal linings were standard for decades.

If the outbuilding predates the late 1980s, assume asbestos is possible until it is confirmed otherwise. An inspection before works is the sensible starting point, and where asbestos is present it must be removed by a licensed removalist under the correct controls, with proper disposal documentation, before general demolition proceeds.

This is the single biggest variable in outbuilding pricing. A clean colorbond shed and an asbestos-clad garage of the same size are not comparable jobs, and any quote given without establishing which one you have is not a real quote.

What is under the structure

The slab is the part people forget to ask about.

Removing the building and leaving the slab is cheaper, and sometimes that is exactly right — where a new structure will sit on the same footprint, or where the slab will become paving or a parking area. But a slab left in place limits what can be built there and can complicate drainage and landscaping.

Removing the slab means breaking it out, loading and carting concrete, and dealing with whatever is beneath it — often fill, sometimes old footings, occasionally a surprise like a filled-in pit or an old septic tank.

Decide this before quoting. It is a meaningful cost either way, and it is the most common source of variation between quotes that otherwise look similar.

Services running to the outbuilding

Most garages and sheds have power. Many have water. Some have gas, a phone line, or a sub-board feeding a workshop.

All of that has to be properly disconnected and, where the supply is being removed rather than retained, abolished by the relevant authority. A live sub-circuit running to a shed that is about to be demolished is exactly the situation that stops a job on the morning.

Where the outbuilding shares a supply with the house that is staying, the sequencing needs planning by an electrician rather than improvisation on site.

Permits and boundaries

Whether an outbuilding demolition needs a permit depends on the structure and the property, and it is worth confirming rather than assuming. Size, height, whether the building is within a heritage overlay, and whether it forms part of a boundary structure all matter.

Boundary structures are the complication that catches people. A garage built hard on the boundary may share a wall with the neighbour's structure, or the wall may be doing retaining work, or removing it may expose a neighbouring wall that was never finished to be seen. Any of those turns a simple removal into a job that needs agreement with the neighbour and often engineering input before it starts.

Where a wall is genuinely shared, you cannot simply remove it.

Salvage is worth a moment

Outbuildings often contain materials worth keeping. Old hardwood framing, roof sheeting in good condition, colorbond panels, and sometimes the whole structure where a shed can be dismantled rather than demolished.

If any of that matters to you, say so before works start. Dismantling for salvage takes longer than demolition and is priced accordingly, but on some structures the material value justifies it. Once a machine has been through, the option is gone.

Waste and recycling

Even a modest outbuilding produces a surprising volume of material, and it is rarely one clean stream. Concrete, metal, timber, and general waste all have different destinations, and separating them properly is what keeps material out of landfill.

Metal is straightforwardly recyclable and usually has value. Clean concrete is crushed and reused. Treated and painted timber is more limited. Asbestos, where present, goes to a licensed facility under a documented chain of disposal that you should receive a copy of.

What a proper quote covers

For an outbuilding job, the quote should be explicit about the structure itself, whether the slab is included, how asbestos will be handled or whether an inspection is still needed, what happens to services, how access will be managed and what protection is provided for anything staying, where the waste goes, and what the site looks like on completion.

A price without those answers is a number, not a quote.

Our demolition work covers outbuilding and garage removal across the northern, western, south-eastern and outer-eastern suburbs and down through Frankston and the Mornington Peninsula, alongside the concrete slab and driveway removal that usually goes with it. On a small job the site visit matters more, not less, because the constraints are the price.