Kitchen Sink Installation in Griffin
Putting a new kitchen sink in is licensed work from the first join to the final leak check. Supplies, waste, trap and tap all get connected by a licensed plumber and tested before we leave. Kitchen sink installation in Griffin is one of our regular jobs, whether the old bowl cracked or a renovation called for the change.
If we're late, $100 comes off your bill
- Licensed and InsuredEvery job done by a licensed plumber. QBCC No: 15024607
- Fixed Quote FirstFlat-rate pricing, agreed before any work starts
- Lifetime Labour WarrantyBacked by our Fix-It-or-It's-Free guarantee (T&Cs apply)
- $0 Call-Out FeesNo extra charge for nights, weekends or public holidays

Our Griffin team handles everything above floor level. The kitchen and laundry plumbing overview lists the rest of that room, and anything blocked below the trap belongs to our blocked drains page.

Wastes, Traps and Valves Under the Bench
Connecting a sink means joining five things: hot and cold supplies, a tap, a basket waste, a trap and a waste line. Each piece has one job:
Isolation valve
one per supply line, so the sink shuts off without dropping water to the whole house.
Basket waste
the fitting that closes off the drain outlet into the bowl, seated on its own rubber washer.
Trap
the bend holds a water seal, and that seal is what stops sewer smells rising into the kitchen.
Supplies and tap
the lines running up to the tap body, checked for weeps at every join.
Leak test
every connection gets run and watched before we pack up.
Any tap, waste or connector we fit carries the WaterMark trademark and sits on the national product database. That certification is what allows a fitting to be installed legally in Australia. Where a machine drains through the sink, its hose hooks onto a spigot fitted to the waste, so the replacement keeps that fitting.

Where a Kitchen Sink Leaks
Sink leaks turn up at five points: a supply join, a waste joint, the seal under the basket waste, the tap mount and the benchtop seam. Each one shows differently:
A waste joint
drips steadily into the cupboard below.
The drain-outlet seal
weeps around the basket waste, worst with the plug in and the bowl full.
The tap mount
sends water down the spout base and along the bench.
A supply join
sprays under pressure and travels along cupboard walls.
The benchtop seam
only shows when you wipe the counter into the bowl.
No visible drip? A cupboard floor gone soft, a stale smell inside the joinery or a tidemark on the base board all mean a slow leak has run for weeks.
Kitchens in the early-2010s homes around Nutmeg Drive still run original wastes and supply hoses, and those seals are at the age where they perish. Plenty of those braided hoses corrode inside the sheath, so the flexi hose replacement page covers that swap.

Who May Fit a Kitchen Sink in Queensland
In Queensland, only a licensed plumber may connect a kitchen sink. A brand-new or relocated bowl counts as notifiable work, reported on a Form 4. A like-for-like replacement at the old position is minor work, which needs neither a permit nor a form.
For notifiable work, the QBCC receives the Form 4 within 10 business days of completion. Your copy arrives with the paperwork. The QBCC's online registers let you confirm the licence and check whether the form was lodged for your property.
Renters have one extra step. A tenant needs the owner or manager's written go-ahead, given on Form 23, before a fixture is attached, and the request cannot be knocked back unreasonably. Most homes here are rented, so we work through property managers for approvals and invoices every week.

Drop-In and Undermount Sinks Compared
A drop-in sink sits on its lip over the cut-out, while an undermount hangs beneath the benchtop. The differences show at fitting time:
Drop-in
the lip hides a rough cut, so laminate tops take it happily and the swap stays simple.
Undermount
clips or support brackets hold the bowl up from underneath, and the cut-out edge shows.
Sealing
drop-ins close with a bead at the rim, while an undermount wants silicone along the exposed edge to keep water out of the join.
We check your cut-out before quoting either style, because that opening governs the whole job.

What Changes the Price of a Sink Job
Five things set the price: where the bowl sits, new water or waste points, access underneath, the benchtop and your fittings. The figure lands in a fixed quote once we have seen the job, and nothing starts before you approve it.
Kitchens here do family-scale work. The last census put average household size at 2.9 people, with 60 per cent of homes holding four bedrooms or more, so the bench takes real punishment and sturdy fittings earn their keep. Building approvals tell the same story at the other end: 389 dwellings were approved across this area in 2021-22 alone, so fresh installs and first-decade repairs run side by side.
A kitchen mixer or new tapware changes the quote too, and the tap replacement page covers that work.
How We Fit Your New Sink
- 1

Tell us what's happening
Call (07) 3524 7137 or send the form with a few details about the problem in Griffin. A clear description helps us bring the right parts.
- 2

We measure and check the whole bench
We measure the cut-out and check the tap, the waste, the trap and both supply lines under the bench. The quote then covers the entire job, not just the bowl.
- 3

Approve a fixed price
You get a fixed quote before any work starts, with flat-rate pricing and no hidden fees. Nothing goes ahead until you say yes.
- 4

Pay when it's finished
Pay by card or EFTPOS on site once the job's done, or ask about Fix now, pay later.
Plumbing job in Griffin?
$0 call-out fees, available 24/7, and same-day where we can.
Kitchen Sink Questions
Call (07) 3524 7137Can I install a kitchen sink myself in Griffin?
No, a kitchen sink is licensed plumbing work. Only the QBCC's short unregulated list is open to a capable owner, and it covers small jobs inside a tap, such as a jumper valve or washer.
What is a Form 4 for a new kitchen sink?
The Form 4 is the notice your plumber lodges with the QBCC after notifiable work. It goes in within 10 business days of completion, and you receive your own copy when we finish.
How do I check my plumber is licensed?
The QBCC's online registers show whether a plumber holds a licence and whether a Form 4 has been lodged for your property. Ask for the licence number on the day, then check it yourself.
How much does it cost to fit a kitchen sink in Griffin?
The figure turns on where the sink goes, whether fresh supply or waste lines get run, how easily we reach everything, the benchtop itself and the tapware. We put the price in a fixed quote after seeing the job.
Does a dishwasher connect to the kitchen sink waste?
Yes, in most homes. The machine drains through a spigot on the sink waste, so a replacement waste needs one when a dishwasher is plumbed in. The dishwasher installation page runs through the full hook-up.
Call Us About Your New SinkWe'll call you back.
Call (07) 3524 7137 to book a plumber in Griffin. We're available 24/7, with $0 call-out fees, flat-rate pricing and same-day where we can.
To claim your $0 call-out fee, call (07) 3524 7137 today.