Secondary Glazing Cost London
Complete secondary glazing cost guide for London 2025. Transparent pricing from £150 per window with professional installation. Get instant quotes and compare all glazing types.

Secondary Glazing Prices 2025
Transparent pricing for all secondary glazing types. All prices include professional installation and 10-year warranty.
Fixed Panels
per window
Hinged Systems
per window
Sliding Systems
per window
Acoustic Systems
per window
What Affects Secondary Glazing Cost?
Several factors influence the final cost of your secondary glazing installation.
Window Size & Shape
Larger windows and unusual shapes require more materials and labor, increasing costs. Standard rectangular windows are most cost-effective.
Glass Type & Thickness
Standard 4mm glass is most affordable. Acoustic glass (6.8mm) and laminated glass (10.8mm) cost more but offer superior performance.
Opening Mechanism
Fixed panels are cheapest. Hinged systems cost more due to hardware. Sliding systems are premium due to track mechanisms.
Frame Finish & Color
White and standard colors included. RAL color matching and premium finishes incur additional costs.

Installation Costs Included
All our prices include professional installation. No hidden costs or surprises.
What's Included
Installation Time
per window
completion typical
disruption
Additional Services
Flexible Payment Options
Make secondary glazing affordable with our flexible payment and financing options.
Cash Payment
Pay in full and save 5% on your total installation cost.
0% Finance
Spread the cost over 12 months with 0% interest on orders over £2,000.
Extended Finance
Longer payment terms available with competitive rates from 4.9% APR.
Get Your Exact Secondary Glazing Cost
Use our online calculator for instant pricing or get a detailed quote from our experts. No obligation, free consultation included.