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Expert Electricians in Cambridge
D. HOLT Electrical are trusted, fully qualified 18th edition and full Part 'P' electricians serving domestic and commercial clients across Cambridgeshire. With extensive expertise in electrical installations, repairs, and upgrades, we deliver reliable solutions tailored to individual needs. Our services encompass complete rewires, fuse board replacements, security lighting, and emergency call-outs. We prioritise customer satisfaction through guaranteed workmanship, competitive pricing, and a commitment to leaving properties clean and tidy.

As ELECSA Part 'P' members, we ensure all projects meet current safety regulations. Our 24/7 emergency service addresses urgent electrical issues promptly, while our team maintains transparent communication throughout every project. With over a decade of experience serving Cambridge and surrounding areas, we combine technical proficiency with a personal approach to client care.
Services
Domestic Electrical Commercial Electrical Fuse Board Upgrades Solar PV Installations Battery Storage Emergency Repairs Security Lighting CCTV Installations Fire Alarms PAT Testing
Highlights and features
  • We are fully qualified 18th edition and Part 'P' certified electricians
  • Our team provides 24/7 emergency call-out service
  • All work is guaranteed with competitive pricing
  • We serve Cambridgeshire with local knowledge and expertise
  • ELECSA Part 'P' membership ensures regulatory compliance
Associations and certifications
  • ELECSA
What people say
Excellent communication Prompt response times Competitive pricing Professional workmanship Reliable 24/7 service
Services
Solar PV Installations
We design and install custom solar photovoltaic systems for homes and businesses. Our solutions reduce energy costs and carbon footprints while increasing energy independence. Systems include grid-tied and battery-integrated options with full maintenance support.
Battery Storage
Our advanced battery storage solutions optimise renewable energy usage. Systems store excess solar power for use during grid outages or peak demand periods, reducing electricity bills and enhancing energy resilience for residential and commercial clients.
Emergency Repairs
We provide urgent electrical repair services operating 24 hours a day, 7 days a week. Our rapid response team addresses power failures, faulty wiring, and other critical electrical issues with immediate solutions and safety assessments.
Fuse Board Upgrades
We replace outdated fuse boards with modern RCD/RCBO protected systems. Upgrades enhance electrical safety, prevent circuit overloads, and ensure compliance with current regulations for both domestic and commercial properties.
Commercial Electrical
Comprehensive electrical services for commercial premises including installations, maintenance, and emergency lighting. We handle projects from complete rewires to additional power points, ensuring minimal disruption to business operations with guaranteed workmanship.
People
Dan Holt
Owner & Lead Electrician
Fully qualified 18th edition Part 'P' electrician with 15+ years' experience. Specialises in domestic and commercial installations, solar energy systems, and emergency repairs. Known for reliability, technical expertise, and customer-focused service delivery across Cambridgeshire.
Questions
What electrical services do you offer?
We provide domestic and commercial installations, fuse board upgrades, solar PV systems, battery storage, emergency repairs, security lighting, and PAT testing across Cambridgeshire.
Do you offer emergency electrical services?
Yes, our 24/7 emergency call-out service addresses urgent electrical issues including power failures and fault finding throughout Cambridgeshire.
Are you qualified electricians?
We are fully qualified 18th edition and Part 'P' certified electricians with ELECSA membership, ensuring all work meets current safety regulations and standards.
What areas do you cover?
We primarily serve Cambridge and surrounding Cambridgeshire areas, providing both scheduled and emergency electrical services to residential and commercial clients.
How quickly can you complete installations?
Most domestic installations complete within a day, with larger commercial projects scheduled according to client requirements while maintaining minimal disruption.
Do you guarantee your work?
Yes, all our electrical work comes with a guarantee, and we ensure properties are left clean and tidy following every service visit.
Reviews (4)
Miss S. Cambridge
Nov 20, 2021 Report
Positive:Professionalism,Punctuality,Quality,Responsiveness,Value
Friendly chap who quickly figured out and fixed the problem while explaining to us what he was doing so we could understand the issue. So relieved to have properly working switches again. I would use their services again for sure. Thank you D Holt!
Service:Socket or switch repair
Julie Lowes
Aug 19, 2021 Report
What a Star! We lost power late Sunday evening and I was unable to reset the trip switch. (I know nothing about electrics!) Early Monday morning, armed with a list of electricians and very little phone battery, I began by ringing D Holt Electrical. As anticipated, he was fully booked and I prepared to ring the next on my list. However, rather than hang up, he spent time talking with me, assessing the situation and making a couple of suggestions. I followed his advice and was able to successfully reset the trip switch. Amazing! Thanks D Holt Electrical
Claire Donnelly
Jul 20, 2021 Report
I arranged for Dan to do an electrical check that is a requirement for a rented property. Dan was the utmost professional: from the phone conversation to completion. Certificate required was completed without delay. Dan delivered on what was required with an assured, confident approach which allowed his expertise to be recognised and appreciated. Thank you, Dan.
Lotte Reinbold
Jul 16, 2021 Report
We had a bit of a DIY mishap which resulted in a complete loss of power. Dan was brilliant and couldn't have been more helpful - he and his colleague visited on Friday morning and stayed for a couple of hours trying to isolate the fault, then returned on Tuesday with another colleague to repair it. We only bought our home quite recently and don't really know what we're doing, and Dan has been absolutely brilliant throughout - clear, punctual, always willing to explain to us what the problem was and what he was doing, and very reasonably-priced, and he'll be back next month to replace the fuseboard