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Secondary glazing starts from £300 per pane installed — far cheaper than full window replacement. Here is everything that affects the price and how to get the best deal.
Secondary glazing in the UK typically costs £300–£500 per pane installed. This compares very favourably with full window replacement at £500–£1,500 per window.
Window size — larger windows cost more. Unit type — fixed and lift-out are cheapest; hinged and sliding mid-range; heavy-duty and bespoke are premium. Glass specification — acoustic laminate adds £30–60/m² over standard toughened but delivers far better noise reduction. Number of windows — multi-window projects benefit from volume pricing. Supply only vs installed — professional installation ensures correct sealing for acoustic performance.
Yes. Secondary glazing with Low-E glass reduces heat loss by up to 65%. For a typical Victorian terrace with single-glazed sash windows, most installations pay for themselves through energy savings within 5–10 years.
Send us a photograph of your window and dimensions. We provide a free written quote without visiting your property — fast, convenient and obligation-free.
Ready to find out how secondary glazing can benefit your property?