Windows & Glazing

10 Signs of a Good Double Glazing Installer

Published 6 Jun 2026

What this video covers

Spot a pro before you sign.

Choosing a double glazing installer is a big decision that affects your home's energy bills, security, and value for decades. Here are ten signs of a good installer. From Axiom Eco Homes.

In this video

  1. 0:00 Intro
  2. 0:12 10. Shows Public Liability Insurance
  3. 0:17 9. TrustMark Accreditation
  4. 0:23 8. Positive Verified Reviews
  5. 0:29 7. 10-Year Insurance-Backed Guarantee
  6. 0:33 6. GGF Membership
  7. 0:38 5. Detailed Written Quote
  8. 0:44 4. Uses BFRC-Rated Windows
  9. 0:49 3. Factory-Fitted Trickle Vents
  10. 0:53 2. Clear Timeframe and Sticks to It
  11. 0:58 1. Holds FENSA or CERTASS Registration
  12. 1:04 Where to start