HDM Electrical Services Ltd
Dunmow
Checkatrade member since January 2024
Services
- Electrical Contractors
- House Rewiring
- Electric Showers
- Electric Cookers
- Storage Heating
- Electric Gate Wiring
- Electrical Installation Condition Report - Safety Checks - EICR
- Fuseboard / Consumer Unit Installation
- Smoke Alarms
- Immersion Heater Installation
- Electric Range Cookers
- Electric Stoves
- Emergency Lighting
- Fault Finding
- Electric Heating
- Electric Radiators
- Energy Efficient Lighting
- Electrical Under Floor Heating Installation
- Electrical Heater Repair
- Electric Vehicle Charger Installation
- Electric Smart Thermostats
- Garden Lighting
- Lighting Design
- Hot Tub Wiring
- LED Lighting
- Emergency Electrician Service
- Electrical Under Floor Heating Repair
- Fuseboard / Consumer Unit Repair
- Immersion Heater Repair
- Electric Sockets
- Extractor Fans
Customer Reviews
Write a review10 /10
Based on 6 reviews over the past 12 months
Quality of work
10
Reliability
10
Communication
10
What customers are saying
AI-generated from customer reviews over last 24 months
Customers consistently praise this tradesperson for being professional, punctual, and an excellent communicator. His work is frequently described as high-quality, efficient, and tidy.
Was this helpful?
Checkatrade is not responsible for the summary or the opinions in it. For more information, please read the reviews themselves and learn more in our reviews policy.
Reviews (84)
10 Very professional
Posted 13 April
Harry got in touch straight away, came round a couple of days later at the time agreed and carried out the work. He was polite and efficient and I will happily use his services again when the need arises.Verified reviewerJob location: CM2- JJanice B
10 Very happy customer
Posted 10 April
Harry is a very professional, polite and friendly guy. He is very efficient and helped me enormously with his advice and expertise, I am extremely satisfied with the work he carried out and would highly recommend him.Verified reviewerJob location: CM14 - JJack B
10 checking and commissioning an external power supply
Posted 18 February
Hiighly professional, detailed and diligent. Would 100% use again and highly recommend.Verified reviewerJob location: CB10 - JJamie J
10 Fault finding lights not working’s
Posted 23 November 2025
Job location: CM8Very good quick efficient helpful service - JJohn T
10 Installation of EV charger
Posted 20 November 2025
Harry did a fantastic job installing our Hypervolt charger. His communication and flexibility were outstanding and his work highly professional. Couldn't recommend him highly enough for this kind of job or any electrical work you need doing.Verified reviewerJob location: CB11 10 Amazing work quality
Posted 16 May 2025
Harry did an amazing job fitting the electrics for our electric shower and moving plugs and rewiring. He was on time and carried out the work to an amazing quality.Verified reviewerJob location: CB11
Photos
Company Info
Owner
Mr Harry Mackness
Ltd Company
2 years on Checkatrade
VAT Registered
No
About us
HDM Electrical Services Ltd are a fully qualified, registered and insured electrical contractor working in the Essex, Hertfordshire and London area. We are a well established, friendly and professional company that is able to provide all aspects of electrical services within the domestic and commercial sector.
Our Services
• Domestic/commercial new installations
• Domestic/commercial refurbishments
• Electrical vehicle charging points
• Consumer units and distribution boards
• CCTV
• Data
• Emergency lighting
• Pat testing
• Landlord certificates and EICR reports
• Fault finding
• 24/7 emergency call out service
Our Commitment to Safety
We prioritise safety in all of our work and follow all safety guidelines and regulations to ensure the safety of our clients and their properties.
Accreditations and awards
This trade passed up to 12 Checkatrade vetting checks
Member since January 2024
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Identification
Proof of address
Financial
Qualifications and accreditations
County court judgement
Open source media
Business checks
Customer Reviews
Company trading history
Company duplication
County court judgement
Enhanced business check
Director checks