Specialists in sewage treatment systems, pump stations and septic tank conversions

Allerton Construction Limited was established in 1974 by Jon Allerton. It has always been our aim to provide specialist and cost effective solutions for all your sewage treatment system and septic tank requirements. In 2019, Jason Bradley and Jon Allerton formed Allerton Bradley to ensure the continuation of the company for another 40 years.


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 46 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 and EN 12566-3.


We have sewage pump stations 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.


All of our installations, sewage servicing and maintenance engineers are British Water trained to provide a high quality professional service.