waterproofing

Independent Specialists in Waterproofing & Building Pathology

Our independence is the centre of our ethos. Unlike contractors or product suppliers, we don’t profit from selling specific systems or services. Our role is to provide unbiased technical advice grounded in evidence and British Standards.

This independence means you receive honest assessments of what’s needed, not what’s most profitable for others. That’s the value of truly independent expertise.

Meet the Team

Surv-A Consultants is led by Grant Evans, Managing Director, who brings over 19 years of experience in structural waterproofing, building pathology, and compliance consultancy. Grant’s expertise spans BS8102 and BS8485+A1, with a career built on forensic defect investigation and hands-on project delivery. He maintains an impeccable professional record with no claims ever made against his designs.

Working alongside Grant is Stephen Humphries and Paul Carter, who bring specialist knowledge and experience to the team. Together, the team at Surv-A combines decades of practical knowledge with a dedication to independence, accuracy, and long-term performance across every project.

Grant Evans MD

Grant Evans

Managing Director

Read more
Steven

Steven Humphries

Operations Manager

Read more
Paul

Paul Carter

Founder/Specialist Consultant

Read more

Why Choose Surv-A?

Unbiased Consultation

Independence matters. We have no ties to manufacturers or contractors, so our advice is genuinely impartial, and you’ll get solutions designed around your project's requirements.

Tailored Solutions

Effective solutions start with proper diagnosis. We develop bespoke designs based on site analysis, risk assessment, and compliance requirements—tailored to your building's conditions and usage.

Expert Experience

We have over sixty years of combined industry experience – and we've never had a claim made against our designs. This track record comes from our uncompromising standards.

Industry Knowledge

Our expertise includes thorough understanding of British Standards and building regulations, ensuring your project achieves compliance.

Insurance Backed

We're backed by Professional Indemnity insurance up to £10m for complete peace of mind - to date, we've never had to use it.

background particles graphic

Get in touch for expert advice

Speak to our team about your project and discover how our specialist services can support you.

Get in touch

Decades of Experience Behind Every Project

Our team has spent decades investigating building failures, designing protection systems, and solving complex technical challenges across the UK construction sector. This extensive experience allows us to recognise patterns, anticipate problems, and provide solutions others might miss.

We’ve seen what works and what doesn’t—knowledge that informs every design, survey, and recommendation we deliver. Combined with our commitment to staying current with evolving standards and technologies, this knowledge ensures you receive advice founded on real-life experience.

architect showcasing the draft of the building
Roof layering
worker is testing the wall
workers are inspecting the underground construction

Why Choose Surv-A Consultants

At Surv-A, we approach every project believing clients deserve complete confidence, not just technical reports. Our diagnostics go beyond what’s visible—we use building pathology expertise to identify why failures occur. Our designs are engineered using BS8102:2022 and BS8485:2015 principles with site-specific risk assessment.

We’re not here to impress with jargon or overpromise—we’re here to be a trusted partner. Throughout their careers, our senior consultants have never had claims made against their designs, demonstrating our commitment to long-term performance.