Construction & Technical
Specialist off-mains drainage expertise supporting projects from planning to completion
About us
Get to know the team behind Off Mains Solutions
Off-mains drainage systems can form a critical part of construction, development and infrastructure projects.
Whether working with an existing system, planning a new installation, designing improvements or considering changes to current infrastructure, specialist understanding is essential to ensure solutions are appropriate, practical and aligned with project requirements.
Off Mains Solutions provide independent specialist support to developers, contractors, consultants, engineers and technical professionals involved in projects where off-mains drainage expertise is required.
Supporting Construction & Technical Projects
Every project presents different challenges.
Factors such as:
can all influence the most appropriate off-mains drainage solution.
Off Mains Solutions help project teams understand these considerations and make informed decisions throughout the project lifecycle.
How Off Mains Solutions Support Projects
Off Mains Solutions provide specialist support including:
01
Existing System Assessment
Helping project teams understand current off-mains drainage arrangements before works begin.
02
Technical Advice
Providing specialist insight into system suitability, technical options and practical considerations.
03
System Design Support
Providing specialist input into the development of appropriate off-mains drainage solutions based on site conditions, project requirements and intended use.
04
Compliance & Regulatory Considerations
Helping teams understand relevant technical, environmental and regulatory considerations that may affect proposed works.
05
Repair, Upgrade & Installation Support
Supporting decisions around repair, upgrade, replacement and complete installation requirements.
06
Technical Reporting
Providing clear, independent technical reports to support project planning, decision-making and, where relevant, insurance or other professional requirements.
Supporting Different Construction Professionals
Contractors
Providing specialist technical input where off-mains drainage matters require additional expertise.
Consultants
Supporting project teams with independent specialist knowledge and technical insight.
Engineers & Technical Teams
Providing practical expertise relating to off-mains drainage systems and their application within construction and development projects.
Developers
Helping ensure off-mains drainage considerations are understood early within development planning and remain aligned with wider project requirements.
Why Specialist Input Matters
Off-mains drainage is often a specialist area that sits outside general construction knowledge. Off Mains Solutions work alongside existing project teams to provide specialist knowledge where it is needed, complementing rather than replacing the expertise of other professional disciplines.
Early understanding can help:
Identify potential issues
Avoid unsuitable solutions
Support appropriate system design
Support better long-term outcomes
Reduce delays
Improve project planning
Reduce the risk of unnecessary work
Why Choose Off Mains Solutions?
Off Mains Solutions combine specialist off-mains drainage expertise with practical experience across construction, property, insurance and technical environments.
Our approach is:
We provide specialist support that complements existing project teams and helps improve confidence in technical decision-making.
The Off Mains Solutions Approach
Every solution starts with understanding.
By establishing the existing circumstances, assessing the technical requirements and considering the wider project objectives, Off Mains Solutions help construction and technical professionals identify appropriate off-mains drainage solutions.
Where required, our involvement can extend from initial investigation and assessment through regulatory advice, system design, technical reporting and practical support.
Need specialist off-mains drainage expertise for a project?
Whether you are planning a development, reviewing existing infrastructure, designing a new system or requiring technical support during a project, Off Mains Solutions can provide the specialist advice and practical expertise needed to support confident decisions.
Contact Off Mains Solutions today to discuss your project 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