Window & Door Specialists
Choosing the right installer ensures your new windows and doors enhance your home's appearance, comfort and security with workmanship you can trust.
Serving homeowners across Cheltenham, Oxford, Gloucestershire, Wiltshire and the surrounding areas, every project is carried out with attention to detail using high-quality products that are built for long-lasting performance. As an Assure Certified installer, all work is completed in line with recognised industry standards, giving you added peace of mind from start to finish.
Whether you need a single replacement window or a complete property transformation, you'll receive reliable service, clear communication and exceptional results from a team that genuinely cares about customer satisfaction.
Our Process
We operate with a dedicated approach and a structured process to ensure we always meet all expectations and requirements.
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Free Consultation & Quote
Get in touch to discuss your requirements. We'll provide expert advice, answer any questions and arrange a free, no-obligation quotation tailored to your home.
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Survey & Product Selection
We carry out precise measurements and help you choose the perfect windows or doors to suit your property, style and budget.
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Professional Installation
Our experienced team completes every installation with care and precision, leaving you with secure, energy-efficient windows and doors finished to the highest standard.
We're Here to Help.
Have a question? We've answered some of the most common queries about our window and door installation, repair and glazing services below.
How long does a window or door installation take?
Most installations are completed within a day, although larger projects or whole-house replacements may take longer. We'll provide a clear timeframe before any work begins.
Do you offer free quotations?
What types of windows and doors do you install?
Can you repair existing windows and doors?
Are your installations energy efficient?
Are you Assure Certified?
Can you work within my budget?
How do I get started with LJS Windows & Doors?
Delivering Quality Without Compromise
