Glazing Types

Seven glazing technologies used in UK windows. U-values, typical price delta, suitable use cases.

• Single Glazing — Legacy pre-1980 pane.
• Double Glazing — UK standard, argon fill.
• Triple Glazing — Passivhaus spec.
• Acoustic Glazing — Noise-reduction laminate.
• Low-E Glazing — Low-emissivity coating.
• Self-Cleaning Glazing — Pilkington Activ.
• Privacy Glazing — Textured, obscure patterns.

See also: double vs triple glazing, Passivhaus windows spec.