Blocked Drains Auckland arranges licensed drainlayers across the North Shore, from Takapuna and Glenfield to Albany and Silverdale. We are a mobile service, so the van comes to your property, and you agree the price before any work starts.
The North Shore has some of Auckland's oldest drainage and some of its newest, and they fail in different ways.
Older homes in established suburbs. Villas and bungalows in areas like Devonport were drained with short lengths of glazed earthenware or concrete pipe, joined every 600mm or so and sealed with mortar. After decades in the ground, those joints are where the trouble starts. Once one opens, roots and silt have a way in, and the drain starts blocking at the same point again and again.
Mid-century housing. Many North Shore homes from the 1960s to 1980s have concrete or asbestos-cement drains. Asbestos-cement is safe while it is left alone, but it is brittle, and any repair has to be handled properly. It is worth knowing what your pipe is made of before anyone starts digging.
Newer subdivisions. Growth areas further north, such as Albany and Silverdale, are mostly on uPVC drainage with rubber-ring joints, where root intrusion is far less common. When newer drains block, the cause is usually what has gone down them, fat, food waste and wet wipes, or a pipe laid too flat that now holds water.
Trees and clay. Mature street trees are common in older North Shore streets, and roots will find any leaking joint. Much of the ground is clay that swells when wet and shrinks when dry, slowly pulling jointed pipe out of line over the years.
Sloping sections. From Birkenhead to the East Coast Bays, plenty of sections fall away steeply from the road or towards the coast. A drain on a slope can run a long way, sometimes through a neighbour’s land, to reach the public line, and ground movement on a steep clay bank adds to the strain on old joints. Access for a digger is often the hardest part of a repair.
When a North Shore drain needs more than clearing, the work is done or supervised by licensed, certifying drainlayers. That includes:
Drainlaying is restricted work in New Zealand. You are entitled to ask for a licence card and to check it on the public register kept by the Plumbers, Gasfitters, and Drainlayers Board, which shows each drainlayer’s licence, any conditions and recent disciplinary decisions. For more on licensing and new drains, see our page on drainlayers across Auckland.
Drainage plans for older North Shore homes were drawn up under the former North Shore City Council and the borough and city councils before it. Those records now sit with Auckland Council and come with the property file, which you order online. A standard file takes up to 10 working days. Expect gaps for older houses: plans can be missing, or show a route the drain no longer follows after decades of alterations.
Where the paperwork runs out, a drainlayer can trace the line with a camera and a locator and mark it on the ground. On a sloping section that is worth doing before you add a deck, a retaining wall or a second dwelling.
No. Watercare’s wastewater bylaw for Auckland prohibits anyone causing or allowing stormwater to enter the wastewater network, or a private drain connected to it, apart from narrow exceptions approved by the council in older combined areas. On the North Shore that means downpipes, driveway channels and yard sumps go to the stormwater system. If a downpipe or sump on your property feeds the wastewater line, the owner is responsible for separating it, which is drainlaying work.
The usual giveaway is a gully that overflows only in heavy rain. A camera survey or dye test confirms it.
On a sloping North Shore street, some water from higher sections is unavoidable, and Auckland Council’s position is that you must accept stormwater that naturally flows onto your land. What changes things is concentration. Under the Building Code, surface water collected by buildings or sitework must be disposed of without damage or nuisance to other property, so a new downpipe or driveway emptying onto your section is a different matter from natural runoff.
Raise it with the neighbour first, and get advice from the council or a lawyer before paying for work, because disputes over water between neighbours are usually civil matters. Camera footage showing where a pipe actually discharges helps settle the facts.
Not a fixed rate per metre. Drainlaying is priced on depth, access, ground conditions, what has to be dug through and reinstated, and the number of junctions, so two runs of the same length can cost very different amounts. On steep North Shore sections, access and hand-digging often matter more than pipe length. The drainlayer prices from the survey and a site visit.
For the average cost of unblocking a drain, rather than replacing one, see our Auckland blocked drain cost guide, which lists the ranges local businesses publish.
We start with the symptoms on the phone, agree a price before any work starts, then clear the line and put a camera down it where it matters. You see the footage, you keep it, and you get an honest view of whether the drain needs repairing now or just watching. If what we find changes the job, we stop and re-quote.
If the fault turns out to be on Watercare's public main rather than your private drain, we tell you so, and you pay us nothing. Watercare clear the public main at no charge.
Call 09 925 0448, any time, or request a free estimate. For work anywhere else in Auckland, see our service areas page.