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Energy saving

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Glazing

Installing double glazing can cut heat loss through windows by half. If you can't afford to replace all the windows, why not choose the rooms that cost you the most to heat?

Double glazing works by trapping air between two panes of glass creating an insulating barrier that reduces heat loss, noise and condensation.

For more details on how double glazing works, costs, savings and other considerations see the Energy Saving Trust information page1.

View information on the planning and building regulations regimes covering glazing in our common projects section2.


  • FENSA3 (Fenestration Self-Assessment Scheme)

Find a Trade Professional

Use our partner directories from CIAT, FMB or RTPI to find an chartered architectural technologist, builder or planning consultant to help with your project or development.

Find a professional (https://www.planningportal.co.uk/planning/planning-applications/find-a-trade-professional)

Find a professional


Useful links

Make an application (https://www.planningportal.co.uk/app/applications)

Make an application

Studio Charrette planning consultancy calculator (https://www.planningportal.co.uk/permission/home-improvement/planning-consultancy-calculator)

Studio Charrette planning consultancy calculator
    1. https://www.energysavingtrust.org.uk/home-energy-efficiency/energy-efficient-windows
    2. https://www.planningportal.co.uk/permission/common-projects/doors-and-windows
    3. https://www.fensa.org.uk/

    The Planning Portal is delivered by PortalPlanQuest Limited which is a joint venture between TerraQuest Solutions Limited and the Ministry of Housing, Communities & Local Government (MHCLG). All content © 2024 Planning Portal.

    The Planning Portal is delivered by PortalPlanQuest Limited which is a joint venture between TerraQuest Solutions Limited and the Ministry of Housing, Communities & Local Government (MHCLG). All content © 2024 Planning Portal.