Above Ground Drainage

On Tap Plumbers have vast amounts of experience carrying out the installation of rainwater systems and above ground sanitaryware pipework inline with project specifications and current building regulations.  In addition our years of experience installing above ground drainage products means we will advise you on the best solutions.  On Tap Plumbers work closely with manufacturers such as Polypipe, Saint Gobain and Terrain to supply and install the right products for your project which will respond to new technology.  Our team are trained directly by the manufacturers and apply their knowledge in accordance with your needs.

On Tap Plumbers provide contractors and mechanical firms with:

  • Knowledge of the key installation requirements of above ground sanitation systems
  • Types of above ground sanitary pipework system and key system design features
  • Knowledge of specialist appliances (macerator WCs & sink waste disposal units)
  • Commissioning above ground sanitary pipework systems
  • Rainwater system design and installation

Shell and Core

If you need the services of an outstanding shell and core installer then you’ve come to the right company.  We will work to your programme to get the shell and core installation done on time and on budget.

Taps 5 Certification

Prior to connecting any property to the mains water supply, Thames Water must check that the new plumbing system complies with the Water Regulations.  On Tap Plumbers are an approved contractor which therefore means we can install, inspect and certify the pipework which eliminates the need for Thames Water to visit the property.

Gas Safe

Gas Safe registered business since 2009

Excellent Customer Service

We aim to provide outstanding professional customer service to all of our clients coupled with a reliable and efficient follow-up

Satisfaction Guaranteed

All of our work comes with a guarantee to give you peace of mind, see our terms and conditions on the website for details

Quality Workmanship

Following through and exceeding customer’s expectations with professionalism and best practise onsite with closely managed teams


Registration of all staff for trade specific CSCS cards

Sectors we Cover

  • Commercial & Industrial
  • Office Fit-outs
  • Residential
  • Leisure
  • Education
  • Retail
  • Healthcare
  • Hospitality