Cleared the same day where we can. On the older houses we put a camera down first, because the drainage here was added long after the walls and it goes where it could, not where you would expect.
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Burwood's older houses are older than Sydney's sewer. The network reached around 25,000 inner-city properties by 1889 and spread outward from there, while The Priory on Burwood Road went up in 1877 and Gayton in 1888.
So these homes were built with a cesspit in the yard and nothing to connect to. The drainage arrived later and had to be worked into a building that was already standing, which means it runs wherever it could rather than wherever it should.
Then it was added to. A bathroom in the 1920s, another in the 1960s, an extension in the 1990s, each tied into whatever the previous person had left. Nobody wrote any of it down.
Which is why we film before forming an opinion. Not as an upsell, but because the alternative is opening ground on an assumption, and on a heritage block that is an expensive way to find out you were wrong.
Ask them where the drain runs and how they know. On a house this age there is only one honest way to answer that.
Sydney's network reached roughly 25,000 inner-city properties by 1889 and expanded outward from there. A great many houses in this suburb were standing before it arrived.
So the drainage was not designed into the building. It was threaded in afterwards, into masonry that was already finished.
That single fact explains most of what is unusual about drainage in a heritage house, and the rest of this page follows from it.
Retrofitting into finished masonry means taking whatever route was physically possible rather than whatever route would have been sensible on a drawing.
Around foundations, through whatever opening existed, and along whatever line the ground and the building allowed.
So the run under a house like this is frequently indirect in ways nobody would design, and that is not a defect. It is how it had to be done.
A bathroom in one decade, another in the next, a kitchen extension later again, and each of those joined new pipework into an existing line at whatever point was convenient.
So a single run can change material, diameter and fall more than once between the house and the main.
Nobody holds a plan of any of it, because no plan was ever drawn.
Changes of material, diameter or fall all happen at those junctions, and a step or a lip at a join stalls whatever comes past it.
That produces a line which blocks repeatedly at the same point and clears easily every time, which reads as bad luck and is actually a defect describing itself.
It is obvious on camera in seconds, and it has a specific repair rather than a schedule of clearances.
It is the only way anyone establishes where the line actually goes, and it costs a fraction of what guessing wrong once costs on a heritage property.
On most housing a camera earns its money on a repeat blockage. Here it earns it on the first, because the route itself is unknown.
The footage is yours whatever it shows, and it becomes the plan of your drainage that has never existed.
A single slow basin is that fixture and its trap. Several, or the lowest fixture in the house, is the main line out telling you so.
The lowest point shows a restriction first, which on this housing usually means a laundry tub, an external gully or a floor waste.
Once is an event. Three times in a year at the same point is a defect, and clearing it a fourth time is buying the same afternoon.
A sewer blockage is indifferent to the weather. Trouble that only arrives in a downpour and eases when it stops is the stormwater side, and they are separate systems.
On a property with a mature garden and a century of downpipe alterations, wet-weather trouble is frequently a pit or a downpipe connection rather than the sewer.
Saying which one you have gets the right equipment there first time.
Roots do not break sound pipe. They enter at an opening the ground has given them, and lines of this age are jointed every metre.
Burwood has strict tree preservation and a great many mature trees, and their roots have had a century to find the gaps.
The durable repair removes the opening rather than this season's growth, and it does not ask anybody to take a protected tree out.
Wipes remain the largest single cause of what we cut out of drains regardless of what the packet claims. They stay intact, they snag, and they hold everything behind them.
Kitchen fat is the slower version, cooling onto the wall and narrowing the bore until a line that had been getting worse for a year finally stops.
On old jointed pipe with a rough interior and awkward junctions, both catch far more readily than they would on smooth modern material.
The route, the material, whether there is a defect, where it sits, and what repair it needs. On a retrofitted line the first two are genuine unknowns.
The recording is yours whatever it shows, and a clean result on century-old drainage is genuinely worth having.
It also gives you something no heritage house in this suburb currently has: a record of where its drainage actually runs.
Agreed in writing before anyone starts. These are indicative 2026 ranges. On a house of this age the camera line is the one we would spend money on first.
Through an existing access point, cleared and flow tested before we leave.
Where the line actually goes, filmed and marked on the surface. Yours to keep.
Roots and hardened build-up in aged pipework take longer than a soft blockage.
Pinpointed and marked, so any repair opens one small area rather than a search.
What we found, where it runs, and whether clearing will actually hold.
It decides whether this is a straightforward clear or a line nobody has ever mapped.
Through the existing access point, then run properly to confirm it is genuinely clear rather than just moving.
The camera goes down and we follow the run, because on these houses that is the only way to know where it goes.
Marked on the surface and written down, so you own the information rather than paying to rediscover it.
We will get it running today. And on an older house we will find out where it actually goes while we are there, rather than leaving that for next time.
Call 1300 381 569Because it was never designed into the house. Burwood's older homes were built before the sewer reached them, with a cesspit in the yard and nothing to connect to. The drainage came years later and had to be threaded around a building that was already finished, so it runs wherever it physically could: around the outside, under a later addition, through a lightwell, doubling back rather than taking the obvious line. It is not bad workmanship. It is what retrofitting into solid masonry looks like.
On a modern house we would often tell you it is not needed for a first blockage. On a Victorian one it is the opposite: it is the cheapest thing you can do. Nobody holds a plan of your drainage, including us, so the alternative to twenty minutes of footage is somebody excavating on an assumption. Digging in the wrong place on a large heritage block costs several times what the camera does, and you still have to do it again in the right place.
Honestly, no, and anyone who says they can has not looked. We can tell you where drainage usually runs in houses of this era, which is a starting point rather than an answer. What we can do is put a camera down, follow it, and mark the route on the surface so you have it for good. That mark is worth keeping, because the next tradesman will have exactly the same problem you have now.
Frequently because that spot is one of the junctions where somebody tied a later addition into the original retrofitted line. Those junctions were made at different dates by different hands in different materials, and they are where a line loses fall, changes diameter, or has a slight step that catches everything passing. Clearing it repeatedly treats the symptom. The footage shows whether it is a defect worth sealing.
No. They clear the bowl, which is all the label really promises, then fail to break down the way paper does. In a line with old junctions and imperfect fall they snag at the first irregularity and build from there, which is why the same house can cope for years and then block monthly once the habit starts.
Rarely, and on pipework this old they do damage. They sit against the blockage rather than passing through, they generate heat, and in aged earthenware and cast iron they attack the pipe about as enthusiastically as the obstruction. If somebody has already poured one down, please tell us when you ring rather than once we have the line open.
A standard clear through an existing access point is $150 to $400. A camera inspection with the route marked on the surface is $250 to $450, and on a house of this age that is the single most useful money you will spend. A jetter on a stubborn line is $400 to $700. We agree the figure in writing before starting.
Tell us roughly how old the house is and whether anyone has ever filmed the drain. Those two answers decide what we bring and how long it takes.
Fixed price agreed first, the run filmed and marked, and an honest view on whether clearing will hold.
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