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Low cost double glazing in Newbury

Unbeatable Prices Across Our Window & Door Range

Transform your home with energy rated, high security double or triple glazing from Castle Windows.

Here at Castle, we pride ourselves on offering genuine low prices, all year round. Our stunning range of windows, doors and conservatories includes bi-fold doors, composite doors, sliding patio doors and French doors - to name but a few.  When choosing any of our windows or doors, you'll be benefiting from a range of advanced design features built in as standard; including high energy saving performance, high security and a 10 year guarantee for total peace of mind.

Why Choose Double Glazing from Castle? 

double glazed decorative leaded window Oxford


Established in 1990


Industry accredited - FMB & FENSA


Over 30,000 happy customers


Constantly evolving range of styles 


Environmental credentials


Recommend A Friend Scheme


10 Year Guarantee


Energy Rated and High Security


Triple Glazing Options Available 


The UK's Most Energy Efficient Window System

As your local FENSA registered double glazing and triple Glazing company, you can trust Castle Windows Newbury to offer helpful, expert advice, a range of quality uPVC products, professional and skilled installation and customer service teams and genuine value for money. Plus, as your local SafeChoice Approved Installer, you'll benefit from the UK's best Energy Saving uPVC Window System; helping our customers to reduce their home heating bills and make their home more energy efficient.

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