Our Services
Investigation of All Off-Mains Systems
Understanding the system
before deciding the solution
Every successful outcome begins with a clear understanding of the existing off-mains drainage system.
Whether supporting an insurance claim, a property transaction, investigating an operational issue or planning future improvements, decisions should be based on evidence rather than assumption.
Off Mains Solutions provide specialist investigations to establish how an off-mains drainage system operates, assess its condition and identify the factors affecting its performance.
Our independent approach helps clients understand the existing situation, consider the available options and make informed decisions with confidence.
Why Investigate?
Off-mains drainage systems can vary considerably depending on:
Without a proper understanding of the existing system, there is a risk of unnecessary work, inappropriate recommendations or avoidable expense.
A specialist investigation provides the technical information needed to support proportionate and practical decision-making.
How Off Mains Solutions Helps
Our objective is not simply to identify issues, but to establish the facts, explain the implications and provide independent technical insight that supports informed decisions.
Our assessments may include consideration of:
Existing off-mains drainage system layout
Condition of the installation
Regulatory considerations
Evidence of operational issues
Potential options for improvement where appropriate
System type and configuration
Available drawings and documentation
Ground conditions
Previous repairs or alterations
Site characteristics
Supporting a Wide Range of Clients
Off Mains Solutions carries out investigations for clients across multiple sectors, including:
Providing specialist technical investigations to support insurers, Managing General Agents (MGAs), loss adjusters, brokers and claims professionals.
Explore sectorHelping homeowners, purchasers, sellers, surveyors and property professionals understand existing off-mains drainage systems and make informed decisions.
Explore sectorSupporting developers, contractors, consultants and technical teams by establishing existing system arrangements before planning improvements, modifications or new works.
Explore sectorAssisting owners, estate managers and organisations responsible for managing off-mains drainage infrastructure across rural and commercial properties.
Explore sector
Why Choose Off Mains Solutions?
Off Mains Solutions combine specialist off-mains drainage expertise with practical experience gained across insurance, property and technical environments.
Our investigations are:
We provide clear technical information that helps clients understand their systems, evaluate options and make confident decisions.
Typical Reasons for an Investigation
Clients may request an investigation when:
Every investigation begins with understanding the circumstances before identifying the most appropriate next steps.
The Off Mains Solutions Approach
At Off Mains Solutions, we believe every solution starts with understanding.
Our investigations provide the technical foundation that supports informed decision-making, helping clients reduce uncertainty, avoid unnecessary costs and identify practical solutions appropriate to their individual circumstances.
Need to understand an existing off-mains drainage system?
Whether you are dealing with a property transaction, insurance claim, operational issue or future development, Off Mains Solutions can provide the independent investigation and specialist expertise needed to help you move forward with confidence.
Contact Off Mains Solutions today to discuss your investigation requirements.
Specialist expertise for all off-mains drainage matters across the UK.
Understand. Assess. Resolve. Share Knowledge.
© 2026 Off Mains Solutions Limited. All rights reserved.
Off Mains Solutions Limited
Registered in England and Wales No. 15240762
VAT Registration No. GB 452 8946 57
Registered Address: Wiston House, 1 Wiston Avenue, Worthing, West Sussex, England, BN14 7QL