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kitchens, bathrooms & washrooms
sustainable bathrooms design: why what lies behind the wall matters
Alex Holcroft, Managing Director at SIAMP UK highlights the importance of what goes
Sustainability has become a defining consideration in commercial building design, with architects and specifiers increasingly expected to create spaces that combine environmental responsibility with aesthetics, functionality and long-term performance. Nowhere is this balance more important than in washrooms. In offices and commercial developments, where numerous WC facilities may be required, specification decisions can have a lasting impact on water consumption, maintenance requirements and building efficiency. While considerable attention is given
to the appearance of contemporary bathrooms, the components concealed behind walls are equally important. From supporting frames to cisterns and flushing mechanisms, these systems play a vital role in determining how effectively washrooms operate throughout their lifetime.
For specifiers, sustainable bathroom design therefore requires looking beyond visible finishes and considering the complete sanitary installation. Wall-hung WCs have become increasingly popular in commercial environments, offering the clean, minimalist appearance associated with contemporary interior design. By concealing the cistern and supporting structure, they create streamlined spaces with fewer exposed surfaces and easier access for floor cleaning. However, their appeal extends beyond aesthetics. Modern concealed WC systems can incorporate water-saving technology, installation flexibility and maintenance features that contribute to long-term performance. Designing for water efficiency Water consumption remains one of the most important considerations when specifying sanitary systems, particularly in buildings where facilities
are used repeatedly throughout the working day. Although the amount of water used during an individual flush may appear relatively insignificant, the cumulative impact across a large office development or a hotel can be substantial. Modern concealed cisterns offer opportunities to reduce unnecessary consumption through adjustable dual-flush technology, allowing different volumes of water to be used according to requirements. For example, SIAMP’s Ingenio concealed cistern systems can be adjusted to deliver a full flush of four litres, depending on the WC pan, with reduced flush volumes as low as 2.6 litres. This flexibility allows specifiers to select flushing arrangements appropriate to the sanitaryware being installed while maintaining effective performance.
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