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Drain Services Limited - See our new Branch Frimley - working hand in hand with DSL Salisbury (South of England and Salisbury, plus The West County) and our London branch, Unbloc Drainage Engineers Limited (London and Home Counties) are here 24/7 - every day of the year. Drain Services is now UVDB Reg - DSL & Unbloc are now on - 1SO 9001:2008 & BSOHSAS 18001:2007 - CHAS companies.

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Our office is ideally situated in Salisbury, Wiltshire, enabling our management team to administer a hands on approach to each job and every job from start to finish. Our London office at Park Royal London.

We have engineers strategically placed throughout The South of England,  London and the home counties, 24 hours a day, 7 days a week. From the moment you contact us, our aim is  to be with you in shortest time possible.
Each van is tracked via satellites and each job mapped by our operations teams, meaning that no matter where you are situated, we can send you the closest available specialist to help with your specific needs.

Drain Services (and Unbloc)  are committed to providing our quality service throughout London and the home counties but we are also able to provide pre planned maintenance (PPM) further afield. Please contact us for more details.

  • South Of England and Salisbury (as below)
  • Wiltshire
  • Hampshire
  • Dorset
  • London North/South/East/West and Central
  • Bedfordshire
  • Berkshire
  • Buckinghamshire
  • Cambridgeshire
  • Essex
  • Hampshire
  • Hertfordshire
  • Kent
  • Middlesex
  • Oxfordshire
  • Surrey
  • Sussex (East and West)
  • And beyond.. simply ask and we are confident we can cover your needs..

From Sussex to Surrey, Berks to Bucks, we have a crew for you.

Contact Us

01722 414034


Based in Salisbury, Works the South Of England.

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