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Business Details
29 Years
experience
Expert HVAC Solutions for Industry, Commerce & Home
Established in 1997, Henry Martin & Sons is a trusted mechanical services provider specialising in installation and maintenance solutions for industrial, commercial, and residential sectors. As members of the HVCA (Member Number F435200/HV4913) and registered with Constructionline (Registration Number 35342), we demonstrate industry expertise through Gas Safe Registration (No. 136943) and CHAS compliance. Our capabilities span school installations, office refurbishments, air conditioning systems, kitchen ventilation, and industrial pipework projects. With full design capabilities supported by CAD software and Professional Indemnity Insurance, we ensure precision in both design-build projects and third-party plans.

Our team maintains CDM compliance, holds SKILLcards, and operates under rigorous health and safety standards. Backed by 5 million Public Liability and 10 million Employer's Liability coverage, we deliver welding to NJIC standards and service systems from domestic boilers to large-scale industrial processes. Our engineers adhere to IEE Wiring Regulations 16th Edition, while Water Industry Approved Plumbing Membership (No. C1425) underscores our technical proficiency. This combination of accreditation, technical skill, and 25+ years' experience positions us as reliable partners for mechanical engineering challenges across Essex and beyond.
Services
HVAC Installation Commercial Heating Industrial Pipework Ventilation Systems Domestic Plumbing Design-Build Projects System Maintenance Gas Fitting Underfloor Heating Refurbishment Works
Details
  • Year established: 1997
Highlights and features
  • Established 1997 with 25+ years' mechanical engineering experience
  • Gas Safe Registered engineers for commercial and domestic gas work
  • Full CAD design capabilities with Professional Indemnity Insurance
  • 5 million Public Liability and 10 million Employer's Liability coverage
  • CDM-compliant with SKILLcard-certified personnel
Associations and certifications
  • HVCA
  • Constructionline
  • CHAS
  • Gas Safe Register
  • Water Industry Approved Plumbers
Services
HVAC Installation
We design and install complete heating, ventilation, and air conditioning systems for commercial and industrial premises. Our engineers implement energy-efficient solutions compliant with current regulations. Projects include ductwork, local exhaust ventilation, and temperature control systems for new builds and refurbishments.
Industrial Pipework
Specialist installation of industrial process pipework systems using various materials. Our NJIC-certified welders ensure precision in prefabrication and on-site assembly. Services cover gas, water, and industrial fluid transport systems for manufacturing and processing facilities.
Commercial Heating
Comprehensive heating system design and installation for office spaces, schools, and commercial buildings. We service boilers, pipework, and distribution systems to Gas Safe standards. Projects include system upgrades and integration with existing infrastructure.
Ventilation Systems
Kitchen extract systems and local exhaust ventilation solutions for commercial kitchens and industrial environments. We ensure compliance with health and safety regulations through proper airflow management and system maintenance.
Domestic Plumbing
Plumbing installations and maintenance for residential properties, including gas fitting and water systems. Our Water Industry Approved Plumbers deliver reliable solutions for new builds and renovation projects across Essex.
Questions
What areas do you cover?
We operate primarily in Essex with projects across East Anglia. Our service radius extends to surrounding counties for large-scale commercial and industrial contracts.
Are your engineers certified?
All engineers hold Gas Safe registration and SKILLcards. Our team includes NJIC-certified welders and professionals trained to IEE Wiring Regulations 16th Edition.
What accreditations do you hold?
We maintain HVCA membership, Constructionline registration, CHAS compliance, Gas Safe registration, and Water Industry Approved Plumbing status.
Can you handle both design and installation?
Yes, we offer full design capabilities using CAD software for projects ranging from domestic extensions to industrial process pipework installations.
What liability coverage do you have?
We maintain £5 million Public Liability and £10 million Employer's Liability insurance policies to protect clients and personnel.