Best Toilet Tanks of 2025
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Toilet tanks are an essential component of a functioning toilet system. They store and release water to flush waste down the toilet bowl. These tanks come in various sizes, shapes, and materials, such as porcelain, plastic, and metal. Some tanks even come with features such as dual flush options, water-saving mechanisms, and noise-reducing insulation. When choosing a toilet tank, it is important to consider factors such as the size of the toilet bowl, water pressure, and personal preferences. A well-functioning tank can provide efficient and reliable flushing for years to come.
At a Glance: Our Top Picks
#TOP 1
9.8
#TOP 2
9.7
#TOP 3
9.5
Top 10 Toilet Tanks
Hudson Reed Universal Access Concealed Cistern
The Hudson Reed Concealed Cistern is a practical addition to your bathroom, effectively hiding unsightly plumbing for a cleaner look. With its water-saving dual flush function, you can minimise water usage without sacrificing flushing power. The cistern offers both front and top access, providing flexibility for installation. Its classic Chrome push button enhances any bathroom design, while you can also choose from other stylish plate options. This combination of function and aesthetics makes it a great choice for your toilet needs.
Keenware KTC-621 Concealed Toilet Cistern
The Keenware KTC-621 Cistern features an ECO Flush Valve System, allowing you to conserve water while maintaining effective flushing performance. With both top and front access, you’ll find it easy to install and maintain. The cistern offers a large flush of 6 litres and a small flush of 3 litres, giving you flexibility based on your needs. Its bottom entry design ensures a neat installation, making it suitable for various bathroom layouts.
Nes Home Concealed Toilet Cistern with Dual Flush
The Nes Home Toilet Cistern offers a strong and durable design, ensuring longevity in your bathroom. Its cable concealed dual flush system provides a sleek look while allowing you to choose between a 6-litre full flush and a 4-litre half flush, helping you save water. The universal access for maintenance means you can easily reach the components when needed, making upkeep hassle-free. Additionally, the chrome finished dual flush button adds a touch of elegance to your toilet setup.
ECOSPA Concealed Dual Flush Toilet Cistern
The ECOSPA Dual Flush Cistern features a versatile 6/3 litre concealed design, offering both front and top access for easy maintenance. This water-saving cistern provides a 3-litre half flush option, allowing you to conserve water without sacrificing performance. It comes equipped with a stylish chrome-finished dual flush button, valves, and a flush pipe, enhancing both functionality and aesthetics. With left water entry, this high-quality WRAS approved product ensures a hassle-free installation experience for users.
Taps2Traps Low Level Flushing Cistern
The Taps2Traps Cistern is a high-quality exposed wall-mounted lever toilet flushing system designed for low-level installations. This plumbing fixture offers a side entry for easy connection, making it convenient for your toilet setup. Its robust build ensures durability, providing you with long-lasting performance. The lever design allows for effortless flushing, enhancing your bathroom experience. With its stylish appearance, this cistern not only functions well but also adds a touch of elegance to your space.
Primaflow Compact Concealed Toilet Cistern
The Primaflow Toilet Cistern is a compact, concealed option designed for modern bathrooms. It offers a choice of a 4 or 6 litre flush, allowing you to select the most efficient option for your needs. With approximate dimensions of 500mm width, 285mm height, and 180mm depth, it fits seamlessly into tight spaces. This wall-hung cistern comes complete with essential components like a flush valve and float, ensuring easy installation and reliable performance for your toilet.
LavaTap Adjustable Dual Flush Valve System
The LavaTap Flush Valve is a comprehensive toilet dual flush system replacement pack that includes a chrome finish push button and an adjustable overflow tube. This kit is designed for effortless installation, allowing you to easily upgrade your toilet flush system without professional help. With its adjustable overflow height, you can ensure compatibility with most cisterns, preventing any overflows. Additionally, it features both 1.5” and 2” outlet options, giving you versatile compatibility for a secure connection.
Wirquin Reviso Water-Conserving Toilet Cistern
The Wirquin Reviso Cistern is an excellent choice for those looking to repair or upgrade their toilet. Its plastic design means it can be delivered individually, making it convenient for DIY projects. The lightweight structure allows for easy installation, ensuring you can set it up without hassle. With a double-volume flush of 3 L and 6 L, you can conserve water effectively, while the adjustable wall mount ensures the cistern maintains its shape. This combination of features makes it a practical and economical option for any bathroom.
e-Plumb VOR790 Vortex Air Cistern White
The e-Plumb VOR790 Cistern is made from high-density polyethylene plastic, ensuring durability and resistance to wear over time. Its polystyrene insulation jacket helps to maintain temperature, providing added efficiency. This vortex cistern is compatible with all Tavistock back-to-wall pans and furniture units, making it a versatile choice for your bathroom. With a slimline design featuring a bottom inlet entry at only 135 mm depth, it saves space and can fit into tighter installations easily, giving you more options in your bathroom layout.
GROHE Solo Concealed Flushing Cistern
The GROHE Flushing Cistern offers a high-pressure capability of over 1.0 bar, ensuring effective flushing performance. Its dual flush system, featuring a round actuation button, allows you to choose between different flush volumes, promoting water conservation. By reducing water consumption by up to 50%, this cistern helps you save on water bills while being environmentally friendly. Additionally, with flexible supply connections from the left, right, or back, installation is straightforward and adaptable to your bathroom layout.
Frequently Asked Questions (FAQs)
1. Can you buy just the tank of a toilet?
Replacing a toilet tank is a task most homeowners can do without a call to the plumber. Because the tanks and bowls may be sold separately, you can often buy just the tank. However, it is important to match the toilet manufacturer and model to ensure proper installation and function of the toilet when you're done.
2. How do I know what Tank to buy for my toilet?
When asking the question is a toilet tank universal, the short answer is no. While in certain brands they can be interchangeable, the overall consensus is that your toilet tank is fitted to your toilet model. When looking to purchase a new tank, you need to learn the measurements and model number.
3. Can you put a new tank on an old toilet?
Toilet tanks are sold separately from the bowls, so you can get any tank that fits onto your model of toilet. When you need to replace a toilet tank, drain and unscrew the old one to remove it. After getting your new tank, put in the hardware to waterproof it and then secure it in place.
4. What is the standard size tank on a toilet?
Toilet Tank Sizes In 1992, U.S. Congress passed a law mandating that the standard toilet tank size in the United States should only use six gallons per flush (gpf). Before this, toilets in the United States could use as much as 13 gallons per flush.
During our toilet tank research, we found 274 toilet tank products and shortlisted 10 quality products. We collected and analyzed 6,942 customer reviews through our big data system to write the toilet tanks list. We found that most customers choose toilet tanks with an average price of £32.86.
The toilet tanks are available for purchase. We have researched hundreds of brands and picked the top brands of toilet tanks, including nuie, Keenware, Nes Home, ECOSPA, Taps2Traps. The seller of top 1 product has received honest feedback from 392 consumers with an average rating of 4.7.
Jennifer Fraser is a licensed contractor specializing in sales, maintenance, and kitchen, bathroom, and home appliances, tools, and utilities. She owns a store in Leeds where you can get any home and tool appliance. Jenny has a degree in literature, but she combines her knowledge and experience with her degree to publish DIY articles on solving home appliances issues to keep up the family enterprise.