Specialists in sewage treatment
systems, pump stations and septic
Allerton Construction Limited was established in 1974 by John Allerton. It has always been our aim to provide specialist and cost effective solutions for all your sewage treatment system and septic tank requirements.
All of our customers are important. Allerton handles every customer's requirements in a friendly and professional manner and no problem is considered too small. With 35 years of sewage treatment experience we will be able to provide a bespoke sewage treatment solution for your specific requirements.
We take pride in the quality of the equipment that we supply. All of our products are manufactured to the high standards dictated by our BS EN ISO 9001:2008 Quality Assurance system.
Our biofilters are designed to meet the exacting standards required by the Environment agency and our Allerton Mini Biofilter small sewage treatment system and Allerton Midi Biofilter medium sewage treatment system have a BBA Agrement certificate.
We have a sewage pumping station to suit any situation, all of which have been designed to provide storage capacity as required by the Building Regulations. We also design bespoke units if required.
Allerton product selector
If you're not sure which type of sewage treatment products you need, you can use our product selector to help you choose from our many septic tank conversions and sewage treatment options.
Allerton sewage treatment systems
- MinAir Gravity sewage treatment system for 1 to 5 people
- Diamond 2 Pumped sewage treatment system for 1 - 5 people
- Diamond 3 Pumped or Gravity Sewage treatment system for 6 - 11 people
- Diamond 4 Pumped or Gravity Sewage treatment system for 11 - 15 people
- Diamond 5 Pumped or Gravity Sewage treatment system for 15 - 21 people
- Diamond 6 Gravity Sewage treatment system for 21 - 27 people
- Diamond 7 Gravity Sewage treatment system for 28 - 35 people
- Diamond 8 Gravity Sewage treatment system for 36 - 45 people
- Diamond 9 Gravity Sewage treatment system for 46 - 55 people
- Septic tank conversion
- Wastewater sewage treatment for 55+ people
Allerton pump stations
- Sewage pumping station
- Dual sewage pumping station
- High specification pump station
- Dirty water pumping station
- Dual dirty water pumping station
- Stormwater pump station