Pre-commission & closed system testing

Expert water services, tailored to your needs

Closed water system treatment services nationwide


You can always depend on Chiltern Water & Environment for reliable closed water system testing and treatment across the UK. We are based in Buckinghamshire and Hertfordshire and our services are available nationwide, including London, the South of England, the Midlands and the North of England. With our expertise and professionalism, we will carry out your water treatment services to the highest standard. 

Pre-commission cleaning and closed system water testing

Pre-commission cleaning and treatment of closed systems is important to ensure systems are not subject to scale, corrosion or microbial fouling, as per BSRIA guidelines. Following a series of high profile litigation cases in recent years, this has become increasingly important. You can gain peace of mind by using Chiltern Water & Environment’s water system treatment services to ensure your water meets all health and safety regulations. 

Domestic water systems and refurbished water systems also need to be flushed and in some cases disinfected, to remove microbes on the pre-commission pipework that could cause water quality issues, as per BS8558. Our teams at Chiltern Water & Environment work nationwide to offer efficient and effective services in this area. 

Testing services from Buckinghamshire and Hertfordshire

For results across the UK that you can rely on, choose from a range of closed water system treatments and testing services such as:
  • Closed system pre-commission flushing and water treatment as per BG50/2013 guidance
  • Regular monitoring of closed systems to help prevent corrosion, scaling and bio-fouling issues
  • Carrying out pre-commission flushing and disinfection of domestic water systems as per BS8558 guidance

Closed system testing throughout London and the South of England

Chiltern Water & Environment engineers are able to provide water quality assessments throughout London and the South of England, serving locations such as Hertfordshire, Bedfordshire, Milton Keynes, Luton, Oxford, Slough, Bucks and Berkshire. All of our services are also available throughout the Midlands and the North of England, covering areas such as Derby, Nottingham, Leicester, Stoke, Burton, Loughborough and Mansfield.
Ensure your closed water system is tested and treated
by calling us on 01844 347 678 today
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