RoundLoft Tanks
Compact circular cisterns.

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Sizing, regulations, installation. Our team has been answering these questions for over 25 years.
At Tanks Direct, we understand the importance of reliable cold-water storage and that's why we offer a comprehensive range of high-quality round loft tanks. Whether you're planning a new installation or replacing an aging or galvanised tank, you'll find a round loft tank to suit your needs. Crafted from premium, potable-grade MDPE plastic, these tanks guarantee reliable water storage for many years. Choose from a variety of sizes, ranging from 25 gallons (114 litres) to a substantial 100 gallons (455 litres), and ensure you select a suitable size by considering the number of people in your household and their typical water consumption.
The space-saving design of round loft tanks make them a perfect fit for lofts. They maximise storage capacity within the available footprint, allowing you to utilise your space efficiently. Our round loft tanks are equipped with insulation that helps maintain a consistent water temperature and minimises the risk of freezing during colder months. You'll also find tanks with an open-top design that can be used for rainwater harvesting and irrigation systems.
At Tanks Direct, we offer a competitive price match guarantee, ensuring you get the best possible deal. Our commitment to outstanding service is reflected in our impressive Feefo service rating so please don't hesitate to contact our knowledgeable customer service team if you have any questions or require assistance in selecting the right tank.
Round Loft Tanks FAQs
How long do cold water storage tanks last?
Typically, well-maintained cold water storage tanks crafted from durable materials like polyethylene or glass-reinforced plastic (GRP) can last anywhere from 20 to 30 years. The high-quality construction of the tanks sold at Tanks Direct contributes significantly to their longevity, with resistance to corrosion and wear-and-tear ensuring reliable performance over an extended period.
Your proactive involvement in regular maintenance plays a crucial role in determining the lifespan of the tank. Timely inspections for signs of damage, leaks, or structural issues can significantly prolong the tank's functionality. Regularly checking fittings, valves, and the integrity of the tank structure is essential to catch and address potential issues before they escalate.
Exposure to extreme temperatures, UV radiation, or harsh chemicals can accelerate wear. Proper installation and placement in a sheltered, well-ventilated area contribute to the tank's overall resilience.
How do I know the size of the cold-water storage tank that I need?
Determining the appropriate size for your loft cold water storage tank is a critical step in ensuring an efficient and reliable water supply for your household. Start by assessing your daily water usage patterns. Consider the number of occupants in your home and their typical water-related activities, such as bathing, cooking, and laundry. This initial evaluation will provide a baseline for understanding your overall water demand.
Next, consider any specific requirements, such as the use of water for garden irrigation or other outdoor purposes. This comprehensive understanding of your water needs will guide you in selecting a tank size that accommodates both your current usage and potential future requirements.
Finally, it's crucial to be aware of the available loft space for tank installation. Measure the dimensions of your loft to ensure that the chosen tank fits comfortably within the designated area. Additionally, consider the tank's height, as it will affect the gravity-fed water pressure. Adequate water pressure ensures a consistent flow to your taps and appliances.
Do I need to insulate my cold-water storage tanks?
Insulating your cold-water storage tank is a wise decision with several benefits. The primary reason to insulate is to prevent heat loss from the water inside the tank. During colder seasons, uninsulated tanks can experience a drop in temperature, potentially leading to issues like freezing. Insulating your cold-water storage tank helps to maintain a more stable water temperature, reducing the risk of freezing and ensuring a reliable water supply.
By minimising heat loss, you can reduce the energy required to heat the water, which is particularly important if you have a water heating system connected to the tank. This energy-saving aspect not only promotes sustainability but also reflects positively on your utility bills, providing a cost-effective solution in the long run. Regulations often recommend or mandate specific insulation measures to enhance energy efficiency and prevent common issues associated with cold water storage. Ensuring your tank meets these regulations not only keeps you in compliance but also guarantees that your water system operates efficiently and safely.

