Mainline Environmental Services LLP
Electrical Inspection & Testing. Mainline Environmental Services LLP has been vetted and approved by TrustATrader. Covering Herts, Beds, Bucks and North London.
Membership number TT12102
Don't forget! Please mention TrustATrader when you contact any of our trusted traders.
All TrustATrader members are checked and vetted!
Get extra peace of mind and cover your next agreed job with this trader for free by registering for the TrustATrader Guarantee. Find out more
Register GuaranteeAbout Mainline Environmental Services LLP, Welwyn
Mainline Environmental Services LLP have been working in the electrical installations sector for over 12 years and carry out all aspects of domestic and commercial work. Based in Welwyn, we serve Herts, Beds, Bucks and North London.
We are a friendly and reliable company who consider no job as too big or too small. We are fully insured and NICE IC registered for your peace of mind and we guarantee a prompt and tidy service.
A selection of work we are happy to carry out includes:
- Full & Part Rewires
- New Builds
- Lighting
- Switchboards
- Bathroom & Kitchen Extractors
- Electric Showers
- Additional Plug Sockets
- Test Certificates
- All Electrical Testing
- Fire Alarms
- Interior & Exterior Inspection & Reporting (ECR)
- Garage Electrics
- External Power
- Garden Sockets
- Security Lighting
- Garden Lighting
Please call for a no obligation free quote.
We are always available to give you helpful, friendly and professional advice and look forward to hearing from you to discuss all of your electrical requirements.
Please mention Trustatrader when calling.
Mainline Environmental Services LLP
- Identification checked
- Company address verified
- Customer references checked
- Agreed to TrustATrader's high standards
- Agreed to complaints procedure
Insurance details
| Provider | Niceic/Allianz |
|---|---|
| Verified | 19th November 2025 |
Hertfordshire
Qualifications
- PASMA (Prefabricated Access Suppliers & Manufacturers Association) - Certificate of Competence (Tower User)
- Level 3 Certificate in the Requirements for Electrical Installations 17th Edition
- Level 3 NVQ in Electrotechnical Services - Electrical Installations (Buildings & Structures)
Reviews (40)
-
Average rating: 5.0 out of 5
Review by Beant Singh
on 21st August 2025
"Amazing job completed. Worked to a very high standard doing 2 x HMO properties."
- Initial impression Initial impression: 5 out of 5.0
- Punctuality Punctuality: 5 out of 5.0
- Cleanliness Cleanliness: 5 out of 5.0
- Quality Quality: 5 out of 5.0
- Value Value: 5 out of 5.0
- Overall opinion Overall opinion: 5 out of 5.0
-
Average rating: 5.0 out of 5
Review by Jordan
on 20th August 2025
"I would highly recommend Lee. He did all the work to a great standard and was all finished really quickly! I’m very happy with all the works he’s done."
- Initial impression Initial impression: 5 out of 5.0
- Punctuality Punctuality: 5 out of 5.0
- Cleanliness Cleanliness: 5 out of 5.0
- Quality Quality: 5 out of 5.0
- Value Value: 5 out of 5.0
- Overall opinion Overall opinion: 5 out of 5.0
-
Average rating: 4.5 out of 5
Review by Colin
on 11th August 2025
"Lee was excellent and very informative with the work carried out He left the area spotless on completion too I would 100% use again Many Thanks Colin"
- Initial impression Initial impression: 4 out of 5.0
- Punctuality Punctuality: 5 out of 5.0
- Cleanliness Cleanliness: 5 out of 5.0
- Quality Quality: 5 out of 5.0
- Value Value: 4 out of 5.0
- Overall opinion Overall opinion: 4 out of 5.0
-
Average rating: 5.0 out of 5
Review by Kelly
on 7th June 2025
"We had the pleasure of working with Lee who was friendly, knowledgeable and very reasonably priced. I will continue to use Lee for all electrical works in the future and will happily refer to friends & family."
- Initial impression Initial impression: 5 out of 5.0
- Punctuality Punctuality: 5 out of 5.0
- Cleanliness Cleanliness: 5 out of 5.0
- Quality Quality: 5 out of 5.0
- Value Value: 5 out of 5.0
- Overall opinion Overall opinion: 5 out of 5.0