Allerton are the premier off mains drainage company covering sales, servicing, commissioning and repairs of all types of septic tanks, sewage treatment plant, sewage pump stations and soakaways.

We will:

  • Save you money.
  • Maintain your compliance with regulators.
  • Help you protect the environment.
  • Extend the life of your system.
  • Delight you.

Contact us and we will be happy to make a site visit free of charge. Or you can simply discuss issues with any of our knowledgable staff in the office.

COVID-19 - Please note that while we are making site visits, we will not enter the house. We would, however, appreciate a bucket of warm water, soap, and a towel to wash our hands. 


Contact our office to buy yours today!

£6 each*

Allerton Ground Water Tube Sketch Plan

The ideal solution for measuring your soakaway (drainage field) water levels.

Allerton Ground Water Tube

Learn more here.

*2 for £10, 3 for £14 (all prices include UK postage but exclude VAT)

Excellent service and attitude from staff

Mr B (Sewage treatment plant service and repair)

Many thanks for your kind and cheerful service

Mrs Potts (Sewage Treatment Plant Service)

A fantastic experience from quote to completion & considerably cheaper than competition

Mr Stokes, Surfleet (ConSept - New Installation)


We do specialised pump stations for awkward situations!

Need something very small, very shallow, or narrow? Need the inlet at the top? We can do that for you! Whatever your unique specification requirements, Allerton can accommodate!


How can we help with your sewage problem? Call or email Allerton today for advice on septic tanks, STPs, or other domestic or commercial sewage treatment issues.

We also travel to several areas throughout Britain including:

Lincolnshire, Nottinghamshire, Leicestershire,

Northamptonshire, Cambridgeshire, Suffolk,

Norfolk, Yorkshire, Rutland and Derbyshire.

Also don't forget to check out our Frequently Asked Questions.

Send us a message!

Woodbridge Road,
NG34 7EW

Tel: 0800 328 5492
 or  01529 305 757

Open between 8.00am and 5.00pm Monday - Friday

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Allerton Construction Limited. Registered in England 11893792 VAT Registration Number 319231813. Directors: J.R. Allerton J.P Bradley. 

Allerton® is a registered trade mark.