Drainage Specialists in Portsmouth and Southampton | Covering West Sussex, Hampshire & Surrey

Are there strange smells or sounds coming from your drains? Need a drain installed as part of a kitchen renovation? Get in touch with James Hennessy Construction. We are drainage specialists based in Midhurst, covering all West Sussex, Hampshire and Surrey areas. Our team will quickly diagnose and repair drainage problems using modern techniques, such as CCTV surveys. We also carry out drainage installations compliant with BS EN 1610 standards.


Whether you are in Portsmouth, Southampton or any other area of Hampshire and the surrounding regions, our drainage specialists can be at your door quickly. We respond to emergency drainage needs on a 24-hour basis for domestic, commercial and industrial customers in the South East. Call us now on (01730) 815580 for fast and efficient solutions.


Our drainage specialists can also visit your home or business to provide an initial site survey, consultation and estimate without obligation - free of charge.


Wide Range of Drainage Services


Established in 1971, James Hennessy Construction have been providing drainage repairs and installations for nearly five decades. As professional engineering contractors and drainage specialists, we are capable of handling all types of drainage work. The main drainage services we undertake for customers in West Sussex, Hampshire and Surrey include:


New Connections and Installations

If you are thinking of adding a new drain connection or need to install a new drainage system, we have the materials, equipment and expertise required to undertake it. Our engineers are trained to comply with the latest policies and planning permission limits.


Damaged Drain Repairs

When you need drainage specialists for repairs, you can trust our experts to identify and rectify issues quickly. We are skilled in the use of CCTV survey technology and accurately pinpoint problems such as root ingress, pipework damage, blockages and collapse.


Emergency Drainage Services

Burst pipe in Portsmouth or sewer flooding in Southampton? Call James Hennessy Construction for emergency drainage repairs anywhere in West Sussex, Hampshire or Surrey now! We will send a specialist directly to your door to quickly tackle the problem.


Insurance Work Welcomed

Our professional team has extensive experience working with insurance companies. We are fast to locate drainage issues and complete thorough reports to provide essential information about breakdowns, condition of pipework and any action that has been taken.


Sewer Connections

If you require a connection to the main sewer, call our drainage specialists. We will determine if a sewer connection is possible and advice on cost-effective pipework layouts. Once plans are finalised, we will excavate and install new pipework to the main sewer.


Drain Linings and Soakaways

James Hennessy Construction repair and install soakaways and drain linings for customers in Portsmouth, Southampton and all surrounding areas. The size and nature will depend on the size of your property and soil type. Usually set well away from any buildings, soakaways are an ideal method of distributing and disposing of storm water.


Septic Tank Installations

We install all makes and models of septic tanks and are experienced in dealing with all types of ground conditions. Installations are carefully planned and completed in accordance with Section H2 Building Regulations and B S6297 standards. Contact us for more information.


Why Our Professional Drainage Specialists?


  • Long-established company experienced in all types of drainage
  • Fully insured, experienced and qualified drainage specialists
  • Portsmouth, Southampton, Hampshire and West Sussex covered
  • Wide range of drainage services including repairs and installs
  • All drainage work fully compliant with latest British Standards
  • Free estimates and site surveys provided without any obligation


Looking for drainage specialists in Portsmouth or Southampton? We cover all West Sussex, Hampshire and Surrey areas. Call us today on (01730) 815580 to find out more.

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