Business Details
25 Years
experience
Expert Heating & Plumbing Services in Diss
Mark Joy Plumbing & Heating has been delivering professional heating solutions across Diss and surrounding areas since 2001. With over 30 years of industry experience, we specialise in designing and installing gas, oil, and renewable energy systems tailored to both domestic and commercial needs. Our Gas Safe registration and MCS accreditation demonstrate our commitment to quality and compliance. We pride ourselves on providing competitive pricing, local expertise, and a no-fuss approach that prioritises customer satisfaction. Our proven track record includes successful projects for schools, churches, and public buildings, alongside comprehensive residential services.We offer extended warranties, annual maintenance plans, and 24/7 emergency support for complete client peace of mind. All installations come with a 12-month guarantee, reflecting our confidence in workmanship standards. Our team maintains strong relationships with local tradespeople to ensure seamless project delivery. From boiler replacements to full system upgrades, we combine traditional expertise with modern renewable technologies like ground source heat pumps and solar thermal systems. Our dedication to reducing carbon emissions aligns with current environmental priorities while maintaining operational excellence.
Services
Gas systems
Oil systems
Underfloor heating
Boiler replacement
Heat pumps
Solar thermal
Power flushing
Gas safety checks
Servicing
Rainwater harvesting
Details
- Year established: 2001
Highlights and features
- 30+ years of local heating installation expertise
- Gas Safe registered and MCS accredited engineers
- All work guaranteed for a full 12 months
- Proven commercial project experience in schools and churches
- No expensive call-out charges for local customers
Associations and certifications
- Gas Safe Register
- MCS Accredited Installer
- Part P Building Regulations
What people say
Delighted to confirm
Entirely satisfied
After sales service
No job too big
Minimum mess and fuss
Services
Gas Systems
We design and install high-efficiency gas central heating systems tailored to residential and commercial properties. Our Gas Safe registered engineers ensure safe, compliant installations with competitive pricing. Systems include boiler replacements, complete installations, and upgrades with manufacturer warranties.
Heat Pumps
Supply and installation of ground and air source heat pumps meeting modern environmental standards. Our MCS accredited team integrates systems with existing infrastructure for optimal efficiency. Includes full system design, installation, and ongoing maintenance support for residential and commercial clients.
Solar Thermal
Professional solar thermal system installations for domestic hot water production. Systems incorporate solar collectors with existing heating infrastructure. Includes feasibility assessments, system design, and full installation by certified renewable energy specialists.
Boiler Replacement
Upgrade outdated boilers to high-efficiency models with minimal disruption. We supply and install A-rated condensing boilers with extended warranties. Service includes system flushing, pipework upgrades, and Gas Safe certified installations for improved energy efficiency.
Rainwater Harvesting
Design and installation of rainwater collection systems for domestic and commercial use. Systems reduce mains water consumption through filtered storage and distribution. Includes tank installation, filtration systems, and integration with plumbing infrastructure.
People
Mark Joy
Owner
With over 30 years in the building industry, Mark specialises in heating system design and installation. His local expertise in Diss and surrounding areas ensures tailored solutions for residential and commercial clients.
Questions
Are your engineers Gas Safe registered?
Yes, all our gas work is carried out by Gas Safe registered engineers with current industry certifications.
Do you offer renewable energy solutions?
We provide MCS accredited renewable systems including heat pumps, solar thermal, and rainwater harvesting technologies.
What areas do you cover?
We serve Diss, Eye, and surrounding Suffolk/Norfolk areas with no call-out charges for local customers.
Do you guarantee your work?
All installations come with a minimum 12-month guarantee covering both parts and workmanship.
Can you service commercial properties?
We have extensive experience with schools, churches, and public buildings alongside residential projects.
