Synergy Eco Ltd
External Wall Insulation. Synergy Eco Ltd has been vetted and approved by TrustATrader. Covering Watford, Hemel Hempstead, Borehamwood, Harrow, Wembley and around M25
Membership number TT28552
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Register GuaranteeAbout Synergy Eco Ltd, Watford, WD24 5AP
With over 8 years of experience in energy efficiency and home insulation, we’re committed to delivering high-quality, eco-friendly solutions that keep your home warm, reduce energy costs, and improve your property value.
Our Specialisations:
• Solid Wall Insulation
• Internal Wall Insulation
• Loft Insulation
• WHLG and WHP Funding
• GBIS Funding
• Retrofit Assessments
• EPC (Energy Performance Certificate) Assessments
Our friendly, professional team, based in Watford, offers FREE energy efficiency surveys and tailored advice to suit your unique insulation and assessment needs. From the initial consultation to the final installation, we ensure excellence, efficiency and a commitment to customer satisfaction.
Service Areas:
Watford and surrounding areas within a 50 mile radius, the M25 corridor, and neighbouring regions.
Certifications & Accreditations:
- Environment Agency
- Trustmark
- NAPIT
- NetRet
- ICO
- Gas Safe
- Quality Mark
We are fully accredited to deliver the highest standards in every project, giving you peace of mind with each step of the process.
Why Choose Us?
• Friendly, reliable, and efficient service
• Quality workmanship backed by experience
• Environmentally conscious, sustainable practices
Get in touch today for priority service.
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Synergy Eco Ltd
- Identification checked
- Company address verified
- Customer references checked
- Agreed to TrustATrader's high standards
- Agreed to complaints procedure
Insurance details
| Provider | Bluedrop |
|---|---|
| Verified | 11th September 2025 |
Hertfordshire
WD24 5AP
Qualifications
- Trustmark Registered Business
- Environment Agency Waste Licence
- NAPIT
- Gas Safe
Reviews (19)
-
Average rating: 4.83 out of 5
Review by Andrew
on 6th April 2026
"Synergy were excellent with organising the work on my house. Which entailed loft insulation, cavity wall insulation and some double glazing. All this work was done efficiently and the work men were polite and showed respect for my property. Thank you Synergy."
- Initial impression Initial impression: 5 out of 5.0
- Punctuality Punctuality: 5 out of 5.0
- Cleanliness Cleanliness: 4 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
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Average rating: 5.0 out of 5
Review by Cheryl Stungo
on 6th March 2026
"The team who worked on my house was absolutely brilliant. They were highly skilled, very competent, professional, punctual. hard-working, clean and tidy and they were considerate. polite, pleasant and cheerful to boot. They were a pleasure to have in the house. I cannot fault them. The work was completed to a very high standard and every care was taken to check it at every stage to make sure it was done well. Well done to all of you and thank you very much!"
- 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 LINDA
on 18th February 2026
"Tradesmen were always polite and helpful"
- 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 Doris
on 9th October 2025
Doris - Image 1 "We have been extremely satisfied with the work that Synergy Eco have completed at our home recently. The installers worked hard and were very efficient. Only bothering us when they needed to. They cleaned and tidied up before leaving and did a professional job. Thank you."
- 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
