New window costs: What to budget for uPVC, timber and aluminium glazing

New window costs
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New window costs are a key consideration when it comes to replacing the windows in your home. Navigating the cost of new windows can be difficult, especially with so many types of window available these days.

Depending on the different window styles in your home, it may be fairly easy to replace them with help from a professional fitter. However, you should remember that new window are typically a big investment, so it is important to ensure any replacements deliver high quality and value for money.

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Frame materialAverage price for new windows (per casement window)
Aluminium£725-£1,638 (25% more than uPVC)
TimberSoftwood (Redwood) £790-£1,940; Hardwood (Sapele Mahogany) £845-£2,100; Thermally Modified Wood (Accoya) £1025-£2,520
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Window styleAverage price for new windows (per window)
Tilt and Turn£725-£1,638 (25% more than casement)
Sash£870-£1,965 (50% more than casement)
Bay£1,160-£2,620 (100% more than casement)

Tim Phillips is an experienced senior quantity surveyor and estimator and has worked in the construction industry for over 35 years. He has worked on many varied projects in this time, for corporates, public bodies and private residential clients, managing multi-million budgets. 

For the past 13 years, Tim has worked on a freelance basis, whilst managing his rental property portfolio. He has extensive experience of undertaking his own full-scale house renovations. He is also a speaker and expert at the Homebuilding & Renovating Shows.