Clifford Devlin has been providing a comprehensive range of environmental management services for nearly 40 years to help clients comply with their legal obligations. The company has been licenced continuously by the Health & Safety Executive since 1987.

Clifford Devlin work for clients in all property sectors from landlords to developers, public sector organisations, principal contractors and members of professional teams to facilitate development and refurbishment.

Our highly trained operational staff work in supervised field teams throughout London and the Home Counties with services coordinated from our Head Office in Essex.

The company operates an integrated health, safety, quality and environmental management system which is certificated against International Standards ISO 9001, ISO 14001 and ISO 45001. This provides us with the discipline and framework to ensure our work is delivered safely, to a consist-ently high standard and in a sustainable manner.

Asbestos Removal

Clifford Devlin are a HSE licensed asbestos removal contractor and can undertake or manage your asbestos remediation requirements from inception to completion providing all certification for re-occupation.

Working fully in accordance with the Control of Asbestos Regulations 2012 and current industry standards, our experienced teams use advanced techniques to safely contain, remove and dispose of asbestos containing materials (ACMs).

We manage every stage of the process, preparing detailed Plans of Work for HSE and client approval, and delivering both licensed and non-licensed removal using strictly controlled methods. Licensed works are undertaken within fully sealed, negative-pressure enclosures, while non-licensed activities are completed within carefully managed controlled zones.

Our trained and certified specialists combine proven expertise with real-time project monitoring, ensuring efficient delivery, full compliance, and complete peace of mind for our clients.

Land Remediation

Land Remediation

At Clifford Devlin, we understand that contaminated land can present a significant barrier to development. Left unmanaged, pollutants such as asbestos, hydrocarbons, foul waste, heavy metals and other hazardous materials pose serious risks to human health, ecology, water-courses and the wider environment.

With decades of experience in environmental management and enabling works, we deliver practical, cost-effective land remediation solutions tailored to each site. Services can be provided independently or fully integrated within our demolition and enabling works packages, giving clients a seamless end-to-end solution.

Our expertise includes asbestos-in-soil remediation, treatment of hydrocarbon and organic contamination, controlled excavation and disposal of contaminated materials, groundwater management, and full validation testing and reporting to achieve regulatory compliance.

Using proven methodologies, innovative techniques and robust risk management, our experienced teams deliver safe, efficient remediation that keeps developments moving forward.

At Clifford Devlin, we see land remediation not just as a technical process, but as a vital step in unlocking the potential of land.

Mould Remediation

Clifford Devlin’s Mould Remediation Service supports housing providers in addressing damp and mould risks quickly, safely and in full compliance with current legislation, including Awaab’s Law under the Social Housing (Regulation) Act 2023.

Recognised as a serious health and safety issue, damp and mould require specialist management. Our experienced teams combine environmental risk management expertise with specialist biological hazard training to deliver effective, compliant remediation solutions.

We provide comprehensive assessment, containment and removal of mould contamination, while identifying and resolving the underlying causes such as moisture ingress, ventilation deficiencies and structural damp, helping prevent recurrence and protect residents’ health.

Delivered to the highest standards of safety, quality and transparency, our service enables landlords and housing providers to meet regulatory obligations with confidence while ensuring safe living environments for occupants.

Pigeon Guano

Clifford Devlin provides specialist pigeon guano removal and decontamination services to protect buildings, occupants and construction projects from serious health, safety and structural risks. If left untreated, guano can corrode building materials, harbour harmful pathogens and airborne fungi, and restrict the safe use of premises, often leading to costly project delays.

With more than 60 years of experience in environmental and enabling services, our trained operatives manage guano contamination safely using controlled removal methods, specialist cleaning technology and fully compliant hazardous waste procedures.

Every project begins with a detailed site assessment, followed by the safe removal and disposal of contaminated waste to prevent further spread. Affected areas are then thoroughly cleaned and disinfected using industry-approved biocides, with minor repairs and reinstatement carried out where required.

Delivered to the highest standards of health, safety and environmental compliance, our service ensures sites are cleaned, restored and made safe, allowing clients to move forward with minimal disruption.

Lead Paint Removal

Lead-based paints, commonly found in older buildings, present significant health and environmental risks, particularly during refurbishment or demolition. Traditional dry removal methods can release hazardous airborne dust, putting workers, occupants and the surrounding environment at risk.

Clifford Devlin provides safe, controlled lead paint removal using proven techniques that minimise dust generation and prevent contamination. With more than 60 years of construction and environmental experience, we deliver a structured, safety-first approach on every project.

Work areas are contained using sealed enclosures and negative pressure systems, while wet removal and chemical treatment methods reduce airborne particles. Specialist HEPA-filtered equipment captures contaminants at source, and all waste is securely managed and disposed of in full compliance with environmental regulations.

Our approach ensures sites are safely remediated, protecting people, property and the environment while allowing projects to progress efficiently.

Clifford Devlin manage complex enabling works involving asbestos very professionally. Their experience of working in listed/heritage buildings combined with a flexible approach allows us to meet our programme milestones and ultimately deliver proper-ties ready for the refurbishment phase.

Pat Gillam, Project Director, John Sisk & Son.

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