With the right care, our sash windows can last for decades. How long exactly the windows will last is a difficult question to answer as it really depends on the circumstances. Windows installed in harsher environments such as coastal regions will likely need replacing before windows that have been sheltered from direct sunlight and extreme weather conditions. Generally, sash windows that have been installed well, looked after and haven’t been subject to extreme weather conditions will have a lifetime of 25-30 years.

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