• Clearage of domestic & commercial blocked drains
  • High Pressure Jet Washing
  • CCTV Surveys
  • Root Cutting
  • Many More!


The most effective method of surveying or cleaning wet wells, large interceptors, underground basement areas, under floor void areas, large diameter sewers, or other large vessels is by Engineer entry.

Why use Crystal DMS Ltd

Here at  Crystal DMS Ltd all our engineers are fully trained and qualified in entering, travelling and working within confined spaces.

Safety Equipment

We use specialized breathing apparatus and gas detection equipment, ensuring that our experienced engineers can safely and efficiently carry out the work. We insist that health & safety is adhered to at all times and our health and safety policies, method statements and risk assessments are continually updated to give you confidence in our company and service.

Man Working in Confined Space  Working in Confined Space (Man Hole)

Clearing Blocked DrainsPest ControlLicensed Vacuum TankersCCTV Camera Surveys

Specialist High Pressure JettingConfined Space WorkPreventative MaintenanceTestimonials