Shower leaking, dripping or lost its pressure?
Mixers, leaks, pressure and full shower upgrades, done by a licensed plumber with the price agreed first.
Call HW Group now, or tell us what's wrong and get a quote.
- 5.0 from 25 Google reviews
- Price agreed before we start
- 027 687 3363, Open 7 days, 7am to 5pm
Showers fail in a few predictable ways
A mixer that drips from the head, a temperature that will not hold steady, or water appearing on the floor outside the cubicle. Each has a usual cause, and we check the likely one first rather than pulling the wall apart.
The one to move on quickly is water where it should not be. A shower leaking behind the wall or under the tray does damage you cannot see.
Repair or upgrade?
A worn cartridge or a failed seal is a repair. A cracked tray, a leaking liner or a mixer that has been repaired twice already is where we talk about a new shower. If you are planning a bathroom refresh anyway, that conversation belongs on our renovation page.
Whichever it is, you get the options and the price before work starts.
Signs your shower needs a look
- Dripping from the head after it is turned off
- Temperature jumps when another tap runs
- Weak flow from the shower only
- Water on the floor or a damp wall next to the shower
- Mouldy or soft silicone and grout
- Mixer stiff, loose or spinning
What we do
- Shower mixer cartridge and seal replacements
- Mixer and shower head upgrades
- Tray, waste and liner leak repairs
- Pressure and temperature balancing
- New shower cubicles supplied and installed
- Shower doors and glass replaced
Done properly
Showers are where water and walls meet, so the detail matters. Wastes are sealed, mixers are set to the right temperature limit, and anything behind the wall is tested before it is closed up. Our plumbers are licensed and the work is signed off by the person who did it.
Before and after
A full shower replacement: the old cubicle out, a new frameless glass shower in.


Another full shower replacement, done in the same visit and ready to use.


How the job runs
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Tell us what's wrong
Call, or send the form with your suburb and a photo if you have one.
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Get a time and a price
We come back with when we can be there and what it will cost. The price is agreed before we start.
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A certified tradesman turns up
The person on your job is certified. No apprentices running the show.
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Fixed, certified, tidy
Work that needs certification gets it, and the place is left the way we found it.
What the reviews actually say
Bathroom vanity plumbing"We had a fantastic experience with Griff completing our bathroom vanity plumbing job and couldn't recommend him more highly. Personable, reliable and professional, with excellent communication throughout. Completed on budget with a really quick turnaround, without compromising at all on quality. The workmanship is high-end and beautifully finished."
Great price"Really happy with the service from HW Group. The team were friendly, professional and easy to deal with. Would definitely recommend HW Group!"
Great price"Amazing experience from start to finish! Communication was clear, professional, and consistent throughout the entire job."
"Great service, highly recommend!"
Kitchen and bathroom"Griffin was superb to work with. Done a superb job of my kitchen and bathroom. Would highly recommend his work."
Renovation project"The A-team when it comes to plumbing and renovation projects. Griffin project managed my development in Swanson delivered on time and on budget."
Plumbing"Incredibly professional, responsive, and easy to communicate with. Personable and efficient, smooth from start to finish."
Great price"Really happy with the service from HW Group. The team were friendly, professional and easy to deal with. Would definitely recommend HW Group!"
Great price"Amazing experience from start to finish! Communication was clear, professional, and consistent throughout the entire job."
"Great service, highly recommend!"
Kitchen and bathroom"Griffin was superb to work with. Done a superb job of my kitchen and bathroom. Would highly recommend his work."
Renovation project"The A-team when it comes to plumbing and renovation projects. Griffin project managed my development in Swanson delivered on time and on budget."
Plumbing"Incredibly professional, responsive, and easy to communicate with. Personable and efficient, smooth from start to finish."
Bathroom vanity plumbing"We had a fantastic experience with Griff completing our bathroom vanity plumbing job and couldn't recommend him more highly. Personable, reliable and professional, with excellent communication throughout. Completed on budget with a really quick turnaround, without compromising at all on quality. The workmanship is high-end and beautifully finished."
Common questions
Water is coming out under the shower door. Is that a plumbing leak?
Often it is a seal or a door sweep rather than the plumbing, and that is a cheaper fix. We check the waste and the tray first, because a leak there needs sorting before anything else.
Why does my shower go cold when someone flushes the toilet?
Low pressure or an unbalanced mixer. A pressure-balancing or thermostatic mixer holds the temperature steady, and a mains pressure upgrade fixes the cause.
Can you replace the mixer without retiling?
Usually. Most modern mixers fit the existing wall opening, and where they do not we tell you before we start.
Get a quote
Pick what's closest, answer a few short questions, and we come back with a time and a price.
Step 1 of 6
About a minute
What needs doing?
Something broken, or something you want installed or changed? Pick the closest.
Where can we reach you?
Your email, so we can send the price in writing.
Please enter a valid email address.
What's your name?
Please tell us your name.
Best number to call you on?
We call to confirm the time and the price.
Please enter a phone number.
Which suburb?
A suburb helps us give you a time.
What's happening, or what do you want us to do?
A sentence or two helps us come prepared.
Sending your details
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Call 027 687 3363- HoursOpen 7 days, 7am to 5pm
- CoverageBased in Birkenhead, serving all of Auckland
- PriceAgreed before we start
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