Service Portfolio
Our Services
Electrical engineering and renewable energy services
Every project begins with a need — whether that’s improving safety, reducing running costs, meeting compliance requirements, enhancing comfort, or preparing for future technologies. Our role is to listen carefully, understand what matters most to you, and translate those priorities into a solution that is thoughtfully designed and professionally delivered.
Each service is supported by disciplined engineering, consistent delivery standards and dependable long-term support — giving you confidence that your infrastructure will perform as expected not just today, but for years to come.
Whether supporting a homeowner, landlord, developer or multi-site organisation, we approach every project with the same objective: Safe systems. Measurable performance. Long-term dependability.
How Our Core Services Are Structured
To make navigating our services straightforward, we organise them into clearly defined specialist areas — while maintaining a fully integrated engineering approach behind the scenes.
This allows you to engage with a single service or bring together multiple technologies into a coordinated solution tailored to your needs.
Electrical Engineering Services
Electrical Engineering Services
Safe, compliant electrical design, installation and upgrades for homes, businesses and public-sector environments across the East of England.
View serviceElectrical Installation Condition Reports (EICR)
Electrical Installation Condition Reports (EICR)
Clear inspection, testing and reporting that helps landlords, homeowners and businesses understand condition, risk and remedial priorities.
View serviceNew Build Developers & Architects
New Build Developers & Architects
Electrical and renewable infrastructure support from specification through to handover for developers, architects and new build projects.
View serviceResidential Solar PV
Residential Solar PV
MCS-approved solar PV systems designed around your home, roof and future energy use, with certification and aftercare included.
View serviceCommercial Solar PV
Commercial Solar PV
Disciplined commercial solar PV design and installation, with modelling, funding guidance and grid-connection coordination where needed.
View serviceEnergy Storage
Energy Storage
Battery storage systems specified for safe, accessible locations, helping homes and businesses improve resilience and make better use of generated energy.
View serviceElectric Vehicle Charging
Electric Vehicle Charging
Domestic and commercial EV charge point installation with properly designed supply, protection and future-ready infrastructure.
View serviceSolar PV Maintenance, Cleaning & Inspections
Solar PV Maintenance, Cleaning & Inspections
Performance checks, fault finding, cleaning and inspection support for existing systems, including where the original installer is no longer available.
View serviceIndoor Air Quality (IAQ)
Indoor Air Quality (IAQ)
Practical indoor air quality solutions that support healthier internal environments through considered assessment, specification and installation.
View service
Electrical Engineering Services
Electrical Engineering Services
Safe, compliant electrical design, installation and upgrades for homes, businesses and public-sector environments across the East of England.
View service
Electrical Installation Condition Reports (EICR)
Electrical Installation Condition Reports (EICR)
Clear inspection, testing and reporting that helps landlords, homeowners and businesses understand condition, risk and remedial priorities.
View service
New Build Developers & Architects
New Build Developers & Architects
Electrical and renewable infrastructure support from specification through to handover for developers, architects and new build projects.
View service
Residential Solar PV
Residential Solar PV
MCS-approved solar PV systems designed around your home, roof and future energy use, with certification and aftercare included.
View service
Commercial Solar PV
Commercial Solar PV
Disciplined commercial solar PV design and installation, with modelling, funding guidance and grid-connection coordination where needed.
View service
Energy Storage
Energy Storage
Battery storage systems specified for safe, accessible locations, helping homes and businesses improve resilience and make better use of generated energy.
View service
Electric Vehicle Charging
Electric Vehicle Charging
Domestic and commercial EV charge point installation with properly designed supply, protection and future-ready infrastructure.
View service
Solar PV Maintenance, Cleaning & Inspections
Solar PV Maintenance, Cleaning & Inspections
Performance checks, fault finding, cleaning and inspection support for existing systems, including where the original installer is no longer available.
View service
Indoor Air Quality (IAQ)
Indoor Air Quality (IAQ)
Practical indoor air quality solutions that support healthier internal environments through considered assessment, specification and installation.
View service
How We Work
A practical process with engineering discipline
Customers choose JDH because we make the process clear from the very beginning. We offer honest advice before any work starts, backed by full accreditation, insurance and independent assessment for peace of mind. Pricing is transparent with no hidden extras, and every installation is carried out to a high standard designed to last.
01
Survey & Scope
We review the property, usage patterns, constraints and compliance requirements before specifying the right route forward.
02
Design & Specification
Solutions are designed around safety, performance, future load and the way the building will be used.
03
Installation & Commissioning
Work is delivered by qualified engineers with tidy installation, testing and documented handover.
04
Aftercare & Maintenance
Ongoing support, inspections and maintenance help keep electrical and renewable systems performing as intended.
Specialist Services
Focused support for future-ready buildings
Our Engineering Delivery Principles
Regardless of project scale or sector, all JDH work follows the same core principles — ensuring consistency, reliability and clarity throughout.
Structured Design
Solutions are engineered around real usage patterns, environmental conditions and long-term objectives.
Specification Discipline
Technologies are selected through independent assessment, certification alignment and proven performance.
Compliance Assurance
Installations are delivered in accordance with recognised standards and regulatory frameworks.
Lifecycle Thinking
Systems are configured for serviceability, adaptability and sustained performance over time.
Clear Communication
Clients receive straightforward guidance at every stage — from initial discussion through to ongoing support.
These principles ensure that every project benefits from the same level of care, regardless of complexity.





