Bralsford, Stubbs & Associates Expert Witness Services

Independent Expert Evidence in
Plumbing, Heating & Energy Systems

We provide clear, impartial and CPR Part 35 compliant expert witness reports for solicitors, insurers, local authorities, Trading Standards and private clients across the UK.

Plumbing & Heating Disputes Gas Safe Registered Expertise Renewable & Low-Carbon Systems Compliance & Regulatory Investigations
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CPR Part 35 Compliant
Independent & Impartial
Residential & Commercial Matters
Instructions Across the UK
CPR Part 35 Reports
Single Joint Expert Appointments
Party-Appointed Instructions
Court, Arbitration & Dispute Resolution

What We Do

Specialist Technical Evidence for Complex Disputes

Bralsford, Stubbs & Associates are specialist expert witnesses in plumbing, heating and mechanical building services, including modern renewable and low-carbon systems.

We are instructed on a wide range of disputes, including installation defects, system failures, water damage and regulatory non-compliance. Our reports are prepared in accordance with CPR Part 35 and are suitable for use in court proceedings, arbitration and dispute resolution.

Our combined expertise enables us to provide authoritative opinions across both traditional building services and emerging energy technologies.

About the Practice
Independent Evidence
Technical Expertise
CPR-Compliant Reporting

Our overriding duty is to the Court. Every opinion is objective, evidence-based and confined to the experts' areas of professional competence.

Bralsford, Stubbs & Associates

Key Services

Expert Witness & Technical Investigation Services

Clear, structured support for legal professionals, insurers, public bodies and private clients across traditional building services and modern energy technologies.

Forensic Engineering
Expert Witness Service

Forensic Engineering

A forensic engineering expert witness service for legal and insurance companies whereby outcomes of circumstances have been caused by engineering problems.

Bralsford Expert Witness have extensive experience in the fields of plumbing and heating as well as considerable understanding in determining the causation of events by malfunction of heating, plumbing, gas and ventilation systems.

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Insurance Claim Evaluation
Expert Witness Service

Insurance Claim Evaluation

We have been requested on numerous occasions to investigate circumstances and determine the route cause where damage has occurred to property for which compensation is being sought from insurance companies.

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Contract Dispute
Expert Witness Service

Contract Dispute

Contract dispute is never an easy issue to solve. Bralsford Expert Witness have been involved in several cases where the standard of workmanship or the specification of work duties or entities have caused disagreement.

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Technical review of plumbing, heating and energy systems
UK Nationwide Instructions

Why Choose Us

Independent Opinion Backed by Practical Experience

Our work combines established expert witness experience with detailed technical knowledge of both traditional plumbing and heating systems and rapidly developing renewable and low-carbon technologies.

  • Proven expert witness experience: legal proceedings, court hearings, arbitration and expert conferences
  • Independent and impartial: objective, evidence-based opinions in accordance with our duties to the Court
  • Technical depth and modern expertise: from traditional building services to renewable systems and compliance frameworks
  • Trusted by legal and industry professionals: instructed by solicitors, insurers, Trading Standards and private clients
  • Continuity throughout: matters remain with the named expert from initial review through to conference or hearing
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Meet the Experts

Experienced Specialists in Building Services & Compliance

Russell Bralsford and Darren Stubbs combine long-standing practical experience with forensic investigation and detailed knowledge of traditional and modern building-services systems.

Russell Bralsford, expert witness

Russell Bralsford

Managing Director & Expert Witness

A Master Plumber and experienced expert witness with more than 50 years' experience in plumbing, heating and mechanical building services. Russell brings extensive practical knowledge to technical disputes, inspections, reports and formal proceedings.

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Darren Stubbs, expert witness

Darren Stubbs

Co-Owner & Technical Director

Darren specialises in forensic diagnostics, system failure, renewable technologies and regulatory compliance. His work includes consideration of heat pumps, low-carbon systems, retrofit standards and the responsibilities arising under relevant certification and compliance frameworks.

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Recent Case Work

Recent Areas of Instruction

Examples of the types of matters recently considered by Bralsford, Stubbs & Associates. Details are kept appropriately confidential.

INSTRUCTION FROM BASINGSTOKE AND DEANE BOROUGH COUNCIL

INSTRUCTION FROM BASINGSTOKE AND DEANE BOROUGH COUNCIL

To review the compliance of 270 hot water storage vessels in regard to building regulations of England, in particular Part G3

Instruction from Lyons Davidson

Instruction from Lyons Davidson

Leakage emanating from W/C cistern.

Instruction from Wingrove Law

Instruction from Wingrove Law

A case based upon water contamination of a mains water supply to a property.

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Discuss Your Matter

Looking for Independent Technical Expertise?

Send us a brief summary of the dispute, the relevant technical issues and any important deadlines. We will confirm whether the matter falls within our expertise and advise on availability.

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Professional Standards

Memberships & Accreditations