Sewage Treatment

Sydenhams supply high quality sewage treatment plants and off mains drainage products for domestic, commercial and industrial applications.

We work with the UK’s leading manufacturers including Kingspan Environmental (Klargester).
Being an independent merchant we have the ability to source and supply the full range of Sewage Treatment products on the market at competitive prices. Please contact your local branch if you have any specific requirements.
Products we supply include:

Seweage Treatment

Treatment Plant systems reduce the pollution load up to 95% producing clear odourless outflow.
We offer a variety of systems in different sizes to suit any site.
BioDisc Sewage Treatment Plant

Septic Tanks

Septic Tanks are a traditional solution to seweage disposal for domestic dwellings and commercial buildings without access to a mains drainage.
We can offer a wide range of septic tanks for domestic or commercial use. 
Alpha Septic Tank

Pumping Stations

Where foul drainage is not possible due to gravity constraints.
Our pumping stations are ideal in situations where your commercial or domestic property isn't connected to the main sewer, or if its below the sewage line.
Domestic Pumping Station


Used for separation of fuel and oil for a range of applications; commercial, infrastructural, hospitality, leisure and industrial.
Full Retention Seperator

Rainwater Harvesting

Utilising rainwater and reducing demand on water systems.
Uses include WC and urinal flushing, Irrigation & landscape watering, garden watering, vehicle washing and domestic laundry.

Grease Seperators

An effective and hygenic method of seperating fat and grease from wastewater flow.
They allow fats and grease to naturally separate out from water, allowing their removal prior to the wastewater reaching the drainage system.
Grease Seperators