The 5 Best Windows & Doors in Llandudno 2026

Ranked by real customer reviews, listing activity and Companies House verification. Updated weekly from public sources.

How this ranking is calculated

Composite score from real, publicly-verifiable signals only:

  • Google Business Profile star rating (when 3+ reviews)
  • Google Business Profile review count (log-scaled)
  • Verification sources: Companies House number, Google Business listing, Checkatrade, TrustATrader, claimed website
  • Operator-claimed listing status

No paid placement. No accepted listings. No fabricated reviews. Source data refreshed weekly.

  1. Dazigner Double Glazing is a window installer in Llandudno, rated 5/5 from 18 Google reviews. Registered with Companies House (no. 15093086) and currently active. Verified Google Business Profile.

    5.0★ (18 reviews)Companies House registered
    5.0★
    18 reviews

  2. Spectrum Windows is a window installer in Llandudno, rated 4.7/5 from 21 Google reviews. Registered with Companies House (no. 04668199) and currently active. Verified Google Business Profile.

    4.7★ (21 reviews)3 verification sources
    4.7★
    21 reviews

  3. P W & T Ltd is a window installer in Llandudno, rated 4.6/5 from 9 Google reviews.

    4.6★ (9 reviews)
    4.6★
    9 reviews
  4. Companies House registered

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