Double Glazed Windows Cost Calculator Fran Whittaker-Wood Last updated on 6th September 2021 1 min read ✔ Double glazing can save you as much as £145 per year✔ Getting double glazing can increase the price of your home✔ Fill in the form above to receive free double glazing quotesGet a free estimate of how much it would cost to buy and install new double glazed windows in your home using our window cost calculator.All you need to do is answer eight simple questions about your home and the type of double glazed windows you need, and our calculator will provide you with an instant estimate of the cost of fitting your new windows. Did You Know? You should check the U-value of a window before buying it – it should ideally be around 0.6 or lower.To arrange a free home visit from one of our trusted double glazing partners, just fill in this form.*Costs are estimated and based on industry averages. They are not an exact indication of how much you’ll be charged by a double glazing window fitter Fran Whittaker-Wood Editor Fran is The Eco Experts’ resident solar panel and double glazing oracle She loves orangutans and is passionate about protecting the planet’s rainforests from the unsustainable production of palm oil. And minstrels.