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Enhancing your home, enhancing your life

Insulating Windows is a leading double glazing and home improvements company based in Hemel Hempstead, Hertfordshire. With over 30 years of experience, we have built a reputation for excellence in the local community and beyond. We cover not only Hertfordshire but also Buckinghamshire and Bedfordshire, with a customer base of over 20,000 satisfied clients. Our mission is to provide high-quality, bespoke energy-efficient windows, doors, and double or triple glazing to homes across the region.

As a Checkatrade and Which Trusted Trader, and a member of Certass and Trustmark, we are committed to upholding the highest standards of service and workmanship. Our team of expert installers is available throughout Hertfordshire, Surrey, and Buckinghamshire, with offices in Hemel Hempstead and Guildford.

Our Services

At Insulating Windows, we specialise in low U-value thermal performance double glazing that improves your home's energy efficiency. We offer a wide range of windows, doors, and conservatories to suit every style and budget, all of which can be installed with either double or triple glazing.

Our windows are available in a variety of materials, including uPVC, aluminium, wood, and composite, and come in a range of styles, including casement, sash, flush sash, tilt and turn, and French. We also offer a selection of high-performance doors, including uPVC, aluminium, composite, hardwood, and Gerda doors, in a choice of styles, such as bifold, corner bifold, sliding, French, patio, stable, and front doors.

In addition to our windows and doors, we also offer a range of conservatories and modular buildings, including Victorian, Edwardian, P-shaped, B-shaped, lean-to, and orangeries. Our conservatories are designed to transform your home into additional living space that you can enjoy every day of the year.

We also provide a range of ancillary products and services, including secondary glazing, facias, soffits, and guttering, composite cladding, alarms, and CCTV.

High-Performance Double Glazing

Our double glazing products are designed to provide superior energy efficiency and security. We use A+ rated glass that lets in more heat from the outside than it releases from inside your home, keeping you warmer in the winter and helping to reduce energy bills. We also offer triple glazing for extra protection from the elements.

All of our windows and doors have the option to upgrade to a six-point locking system to keep out would-be intruders, ensuring your home remains safe and secure.

PAS 2030 Certified

We are proud to be PAS 2030 accredited, which means that we adhere to and are compliant with energy efficiency measures. If you'd like to make your home more energy efficient, get in touch with our team to discuss our product range.

Get a Quote

If you're interested in our services, please don't hesitate to get in touch. You can contact us by email, phone, or by visiting our showroom. We look forward to discussing your requirements and providing you with a quote.

Reviews (51)
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Positive: The majority of customers were very satisfied with Insulating Windows, praising their professionalism, efficient installation, and high-quality workmanship.
Negative: One customer had a negative experience due to poor customer service and a lack of transparency.

Excellent Customer Service and Quality Workmanship

The reviews for Insulating Windows are overwhelmingly positive, with customers praising the company's professionalism, efficient installation, and high-quality workmanship. Several customers have commented on the excellent service they received from the team, including Liz, who was their main point of contact. The installers were described as being clean, tidy, and taking pride in their work.

Variation in Prices and Installation Quality

While most customers were very happy with the company, one reviewer noted that the company was not the cheapest option, but they were willing to overlook this due to the excellent service and quality of work. Another customer mentioned that they had to escalate their issue to the CEO to get an update on their installation, which was delayed due to a supplier issue.

Poor Customer Service and Lack of Transparency

One reviewer had a negative experience with the company, citing poor customer service and a lack of transparency. They complained that they were not contacted by the company to discuss issues that arose during the installation process and that they had to contact the CEO to get an update on their installation. The reviewer was also unhappy with the company's failure to follow up and provide a satisfactory solution to the issue.