Water Tank & Retention Tank Supply & Installation
Your Trusted Experts for Water Tank Installation in Wellington
At PlumbSpec, we’re all about helping you do your part for the planet with rain water harvesting. Installing a water tank means you can collect and store rainwater to use around your home, like watering the garden, washing your car, or even cleaning your house during dry seasons. This reduces the amount of water you take from the mains, helping you lower your carbon footprint. Our team of expert plumbers can install water tanks that fit your home and needs, making it easy for you to save water and be more eco-friendly!
We are the experts in everything when it comes to Water Tanks Wellington wide trusts for reliable and efficient installation services. Whether you’re looking to install a tank for regular use or as a backup in emergencies, our team is here to ensure your Water tank installation is handled with the utmost care. We understand that having a consistent water supply is vital, and our goal is to provide you with Water storage tanks Wellington can depend on.
Reliable Water Storage Solutions
When it comes to Water storage tanks in Wellington, PlumbSpec offers a range of options tailored to your specific needs. Whether you’re outfitting a residential property or a commercial space, our Water tank installation services are designed to give you peace of mind. We’ll help you choose the right size and type of Water tanks to ensure you always have a steady supply of water on hand. Our installations are quick and professional, ensuring your tanks are ready to serve you efficiently.
Emergency Water Tanks for Peace of Mind
In emergency situations, having access to Emergency water tanks Wellington residents can rely on is crucial. PlumbSpec specialises in installing emergency water tanks that are both durable and dependable. We know that emergencies can happen at any time, so our Water tank installation services are designed to provide you with a ready source of water when you need it most. We install emergency water tanks Wellington wide that are built to last, ensuring your water supply never runs low.
Whether you need new Water Tanks for everyday use, or upgrading your existing Water storage tanks for long-term needs, or Emergency water tanks for those unexpected moments, PlumbSpec is here to help. Contact us today to learn more about our comprehensive Water tank installation services in Wellington.
Plumbspec provides reliable retention tank supply and installation across Wellington, helping homeowners manage stormwater, store rainwater and stay prepared for emergencies.


Rain Water Storage and Stormwater Solutions in Wellington
Managing heavy rain and runoff is a big part of protecting Wellington homes, especially with the wild weather we experience each year. That’s why Plumbspec supplies and installs high-quality retention tanks designed to control excess water before it becomes a problem. A well-planned stormwater retention tank helps reduce flooding, limits erosion around your property and supports better overall water management. Many homeowners also choose a rainwater harvesting tank or other forms of retention tank to make the most of Wellington’s frequent rain, using collected water for gardens, outdoor cleaning and general conservation. With the right setup, your retention and stormwater retention tanks work together to keep your property safe, efficient and environmentally responsible.
Being prepared for emergencies is just as important as managing day-to-day stormwater. A dedicated rainwater harvesting tank gives you a dependable backup supply when normal water services are disrupted. Your retention tanks store clean rainwater from your roof, offering peace of mind during earthquakes, storms or major outages. Many Wellington households now see a stormwater retention tank as essential – not only for protecting their home, but for ensuring they have water available when it matters most. With Plumbspec’s expert retention tank installation services, your system is ready for both everyday use and unexpected events.
Our Recommended Retention Tanks
Choosing the best retention tank or water tank for your property can be challenging but the Plumbspec team works with clients to assess the site and find the perfect water tank for your needs.

A simple stand-alone water tank such as The Tank Guy is an economical option with sizes ranging from 600L to 4000L. The most common size we install is the 800L Slimline tank as pictured, with prices starting from around $700 plus delivery and installation.

If you are looking for a modern retention tank design, we recommend the corrugated iron look from Tanksalot. These are a slim but sturdy design that don’t require a lot of bracing and come in a range of colours and sizes. Prices start from $1600 plus delivery and installation, for a 650L tank as pictured.

The Thin Tank is a versatile option coming in many different colours and sizes, while being slim enough to fit into almost any space discreetly. A common size we install is the 500L water tank with brackets, and prices start from $1900 plus delivery and installation.
What To Consider When Choosing Your Rainwater Retention Tank
Property Size
Retention water tanks come in a large range of sizes from 200L up to 5000L or more, so consider how many people the retention tank will need to service in your household or business.
Location & Site
You will need a level piece of ground to install a retention tank, which is sometimes hard on Wellington’s terrain! That’s why Plumbspec can offer a wide variety of water tank shapes to fit your site and we offer full site preparation and installation to make it easy for our clients.
Aesthetics
It is important your rainwater retention tank looks good once installed, so Plumbspec offers a wide range of modern and neutral colours to blend in with your home or fence colour. Rainwater tanks are available in uv-stabilised polyethylene or corrugated steel, and can even be fitted with planter boxes.
Stormwater System
If drainage of your property is currently an issue, you may need to consider an in-ground detention tank. From site preparation and excavation to connecting your tank to the existing stormwater system, Plumbspec’s team works diligently to provide a smooth and stress-free experience.
Why Choose Plumbspec for Retention Tank Supply & Installation in Wellington?
Plumbspec has established a reputation for excellence in retention tank supply and installation. Our commitment to customer satisfaction and industry-leading expertise sets us apart from the competition. Here are a few reasons to choose Plumbspec for your retention tank needs:
Expertise
Our team of trained professionals has the experience and knowledge to handle complex retention tank projects.
Quality Products
We source our retention tanks from reputable manufacturers, ensuring that you receive a durable and efficient solution for your property.
Custom Solutions
We work closely with clients to determine the appropriate retention tank size and type for each project, taking into account factors such as property size, location, and climate conditions in Wellington.
Comprehensive Service
From supply to installation, Plumbspec offers a complete solution for your retention tank needs.
Customer Satisfaction
Our dedication to customer satisfaction has made us the go-to plumber in Wellington for retention tank supply and installation.
Frequently Asked Questions
What is a retention tank used for?
A retention tank stores rainwater so it can be used later, and it also helps manage excess runoff during heavy rain. With the right setup, it supports better water management on your property, reduces flooding risk, and helps you make the most of Wellington’s frequent rainfall.
How can a retention tank help during emergencies?
A dedicated rainwater harvesting tank gives you a backup water supply when normal services are disrupted. Retention tanks store clean rainwater from your roof, which can be invaluable during earthquakes, storms or major outages. It’s a practical way to add peace of mind at home.
What can I use harvested rainwater for?
Many homeowners use collected rainwater for gardens, outdoor cleaning and general conservation. It’s a great way to reduce reliance on mains water for outdoor use. We’ll help you choose the right system so it’s safe, efficient, and suits how you want to use it.
Which retention tanks do you recommend?
We commonly recommend three options: The Tank Guy (often an 800L slimline, prices start around $700 plus delivery and installation), Tanksalot’s corrugated iron look (650L from $1600 plus delivery and installation), and The Thin Tank (500L with brackets from $1900 plus delivery and installation).
What size retention tank should I choose?
Retention tanks come in many sizes, from around 200L up to 5000L or more. The right size depends on how many people it needs to service, what you’ll use the water for, and how much space you have. We’ll assess your site and recommend the best fit.