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Plumbing & Drainage

Domestic services, drainage systems, and water management design for commercial, healthcare, and industrial buildings.

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What we deliver

Concrete outputs from every Plumbing & Drainage engagement.

  • Cold and hot water system design — HTM 04-01 and BS 8558 compliant, including legionella risk assessment

  • Drainage design — above-ground and below-ground drainage aligned to BS EN 12056 and BS 8301

  • Sustainable drainage strategy — SuDS design, attenuation, and planning compliance

  • Commissioning and validation — flow rates, pressure testing, and water hygiene sampling protocols


Clients who commission Plumbing & Drainage

Healthcare Clients
HTM 04-01 compliant domestic services and infection control water system design.
Developers & Contractors
Plumbing and drainage design as part of new-build or refurbishment MEP package.
Asset Managers
Water systems audit and legionella risk assessment for existing building stock.

Standards & regulations

BS 8558 / HTM 04-01BS EN 12056CIBSE TM13 (legionella)BS 8301SuDS Manual (CIRIA C753)Part G Building Regulations


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