What type of home do you live in?
Existing windows: Frame material
Existing windows: Glazing type
Existing windows: Spacer bar / air gap width
Existing windows: Window dimensions
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Existing windows: Input measurements
Total Area (m2)
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What heating fuel do you use?
New windows: Energy rating
New windows: Expected spend (optional)
Know how much you plan to spend on replacing your windows? Enter it here to discover how quickly you could recoup your investment through energy savings.
You could potentially save 0.00 a year
The GGF Energy Savings Calculator provides estimates for energy bill savings you may receive by installing [ Our/Our Members] energy-efficient windows. We make no express or implied warranties in connection with using the calculator tool. The savings identified are based on the information you provide, using a number of assumptions to provide you with the best estimate of potential benefits. You must ensure information provided for estimates is correct and the Calculator assumes that you have taken all other practical measures to optimise the energy efficiency of your home, such as cavity wall and loft insulation, as well as the installation of an energy efficient heating system. Use of the Calculator and its results is not a guarantee that you will see the exact same savings from the installation of energy-efficient windows. We shall not be liable for any errors, assumptions resulting from the estimate given which are outside our control. Please note that no allowance has been taken for the introduction of additional background ventilation which may be required to comply with the latest edition of Building Regulations Approved Document F - Ventilation (2022)
|CO2 Emissions||Carbon Usage||Energy costs|
|1 year||0.00 tonnes||0.00 tonnes||£0.00 total savings|
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The GGF Energy Savings Calculator only provides an estimate of potential savings as a result of installing energy-efficient windows.
The calculator assumes the homeowner has taken all other practical measures to optimise the energy efficiency of their dwelling. Such measures may include cavity wall and loft insulation, as well as the installation of an energy efficient heating system.
For more information, advice or a quote for installing energy efficient windows in your home, we recommend contacting a GGF Member company.