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— Buying Guides

Water Pressure Explained

Understanding your home's water system to ensure you purchase the correct tap for optimal performance.
August 25, 2026
•
3 min read
Linea Bath tap

When selecting brassware for a luxury bathroom restoration, it is easy to get caught up in the nuances of finishes and handle profiles. However, the ultimate performance of your design relies entirely on an invisible metric: your home’s water pressure. Understanding your plumbing infrastructure prior to ordering ensures you can plan your layout with absolute confidence, knowing how your system interacts with premium fixtures.

What is Water Pressure?

Simply put, water pressure dictates how quickly and powerfully water flows from your taps. In the UK, this strength is measured in “BAR”. To ensure you get a steady, reliable flow rather than a frustratingly weak trickle, brassware is designed to align with these ratings.

While many boutique brassware ranges on the market force you to compromise based on your home’s plumbing limitations, the majority of our taps are engineered for universal application. They are designed to deliver an expertly balanced, reliable flow whether your property runs on a traditional gravity setup or a high-pressure modern mains system.

Identifying Your Home’s Water System

To help you understand how water moves through your property, it is useful to identify which of the three primary UK system configurations drives your home, alongside its typical pressure profile:

1. Gravity-Fed System

Estimated Pressure: 0.1 – 0.5 BAR (Low Pressure)

Commonly found in traditional properties, this setup features a cold-water storage tank located in the loft space paired with a hot-water cylinder sitting in an airing cupboard downstairs.

This configuration relies completely on gravity to create pressure, meaning the flow at any given tap is determined strictly by the vertical distance between the loft tank and the tap handle. While standard high-end taps often struggle in this lower-pressure environment, the majority of our brassware is structurally optimised to maintain a smooth, elegant stream without sacrificing design.

2. Combi Boiler System

Estimated Pressure: 1.0 – 2.0 BAR (High Pressure)

A highly popular modern setup, a combination boiler system features a wall-mounted boiler unit that heats water on demand directly from the mains supply. There are no storage tanks in the loft and no cylinders in the cupboards.

Because a combi boiler is fed directly by your local mains supply, it inherently delivers excellent, high-pressure water flow. Our entire brassware portfolio thrives under this pressure, utilising premium internal mechanics to give you razor-sharp control over temperature and flow volume.

3. Unvented Pressurised System

Estimated Pressure: 1.5 – 3.0 BAR (High Pressure)

The gold standard of modern residential plumbing. This setup consists of a central unvented hot-water cylinder (often a Megaflo unit) that stores water under direct mains pressure. There are no cold water tanks required in the roof space.

Unvented cylinders offer powerful, balanced mains pressure hot and cold water simultaneously throughout the entire property. This system provides an exceptional environment for luxury brassware, unlocking the deep, immersive flow experiences our designers intended.

Maximising Your Flow Experience

Because our core engineering focuses on wide compatibility, you are largely free to focus purely on the aesthetics of your space. To ensure you get the absolute best out of your renovation, keep these final specification tips in mind:

  • Consult Your Installer Early: Having your plumber verify your incoming mains pressure helps ensure your overall system balance is perfect before first-fix installation begins.
  • Account for Future Upgrades: If you plan to transition from an old gravity system to an unvented mains cylinder down the line, our universally compatible taps are fully future-proofed to handle the increased pressure seamlessly without needing to be replaced.
  • Select with Confidence: Always check individual product specifications during your selection process, ensuring your chosen handle style matches your specific plumbing goals.
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