Removing an Old Swimming Pool in Balwyn: What Is Involved

A lot of Balwyn homes bought in the 1980s and 1990s came with a swimming pool that nobody now uses. Between the running costs, the barrier compliance obligations and the amount of a Boroondara block a pool consumes, taking it out is a common job. It is also a commonly underestimated one.

Filling a pool in is not the same as removing it. The distinction matters enormously to what you can do with that part of the block afterwards, and it is worth understanding before you compare quotes.

The two ways a pool comes out

Full removal

Full removal means exactly that. The shell is broken up and taken off site, the steel is separated for recycling, and the void is backfilled in controlled layers with engineered fill compacted as it goes. What you are left with behaves much like the rest of your block.

This is the option you want if there is any chance of building over that footprint. Knockdown-rebuild designs in Balwyn and Balwyn North frequently push a new dwelling footprint or a garage further back than the original house sat, and a former pool in the middle of that footprint becomes a genuine problem if it was only partially dealt with.

Partial removal and backfill

Partial removal usually means the top of the shell is cut down below finished ground level, the base is broken through so water can drain rather than pool inside the shell, and the void is backfilled. It is quicker, it puts less truck movement on the street, and it costs less.

The trade-off is that you still have a structure buried in your yard. Building over it later generally means going back and doing the job properly, or designing footings that bridge or bypass the fill entirely. It is a reasonable choice if the area is destined to be lawn or garden and you have no rebuild plans, and a poor choice if you are holding the site for a future development.

Why compaction is the part that actually matters

The failure people notice years later is not the pool. It is the ground above it. Fill that was tipped in loosely rather than placed and compacted in layers keeps settling, and settlement shows up as a dish in the lawn, a paved area that has dropped at one end, or cracking in a slab that was poured across the boundary between natural ground and fill.

Good practice is to place fill in defined layers, compact each one, and keep a record of what was used. If a structural engineer or building surveyor asks later how the void was filled, that record is what answers the question. A quote that does not mention compaction at all is telling you something.

Where the site is going to carry a new building, a geotechnical engineer may want to inspect during backfill or test the completed fill. Booking that in advance is far cheaper than discovering at footing stage that nobody can certify what is under the slab.

Access is the hidden cost driver in Boroondara

Balwyn, Canterbury and Deepdene blocks tend to have the pool at the rear, a house across the front of the site, and a single driveway down one side. That geometry decides the machine size, and machine size decides the timeline.

Where a mid-sized excavator can reach the pool, the job moves quickly. Where it cannot, the options are smaller machines working for longer, removing a section of fence or landscaping to create access, or in some cases craning equipment over. Established gardens, mature trees and narrow side setbacks all push the same way.

This is also why quotes for what sounds like the same job can differ so much between two houses in the same street. It is rarely the pool. It is how you get to the pool, and how the spoil and broken shell get back out.

Services, drainage and the things that stop a job

Pools come with plant. There is usually power to a pump and often to a heater, sometimes gas, and there is always plumbing. Those need to be isolated and made safe properly rather than cut and left, and the point where pool plumbing ties into stormwater or sewer needs to be dealt with correctly.

Drainage deserves particular attention. A pool sits in a hole that water naturally wants to find, and the surrounding ground has been draining a certain way for decades. Once the shell is gone and the void is filled, the water has to go somewhere sensible.

The pool barrier is the last piece. Fencing and gates that exist only to satisfy barrier requirements usually come out with the pool. Where the same fence is a boundary fence or is retaining soil, the scope changes.

What a proper quote should itemise

A quote worth comparing tells you which method is being used, full removal or partial, in plain terms. It states what happens to the shell material and the reinforcing steel. It describes the fill material and says how it will be compacted. It covers the disconnection and making safe of power, gas and plumbing. It sets out access arrangements and any fencing or landscaping that has to be removed and, if applicable, reinstated. And it says what the finished surface level will be.

If you are considering a knockdown-rebuild later, say so when you request the quote. Our knockdown-rebuild site preparation work and pool, garage and outbuilding removal are usually scoped together for exactly this reason, and doing both in one mobilisation is generally cheaper and produces a cleaner site than treating them as separate jobs years apart.

Getting the sequence right

The pattern that causes the most grief is removing a pool cheaply, landscaping over it, and then deciding two years later to rebuild. At that point the fill has to be dug back out and replaced under supervision, the landscaping is lost, and the saving is long gone.

If a rebuild is even a possibility, treat the pool as part of the site preparation rather than a tidy-up job. Talk to whoever is doing your permits and heritage approvals early, because on Boroondara sites the demolition consent process and any overlay conditions can influence the order in which work happens.

If you have a pool you no longer want in Balwyn, Balwyn North, Kew, Canterbury, Camberwell or Deepdene, we are happy to look at it, tell you honestly which method suits your plans, and put the scope in writing.