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    Double Glazing & Replacement Windows

    Whatever the style or period of your home we offer a wide range of traditional and contemporary double glazing windows styles to suit your property.

    Our double glazed replacement windows come in a range of colours, finishes and glazing and security options. Combining the latest technology with quality craftsmanship to ensure you home is secure, warm and looks great. For period properties we offer a fabulous range of replacement sliding sash windows. Learn More...

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    Replacement Doors

    UPVC or premium composite - our front doors and back doors are the first choice for homeowners looking to replace draughty and outdated wooden doors. Our range of replacement doors offer total peace of mind, combining all the advantages of low maintenance and high levels of security.

    Our latest range of French doors, Bi-folding doors and sliding Patio doors will improve the value and visual aesthetics of your home and also improve access to gardens, courtyards and patio areas.. Learn More...

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    Beautiful Conservatories

    Add value and space to your home with a custom-made conservatory from West Yorkshire Windows.  You’ll be amazed at how much a conservatory will add value - totally transforming your home.

    We offer a professional installation service, including building works, joinery, electrics and all plumbing requirements. All our conservatory installations are carefully monitored by our professional installation teams ensuring a smooth transition throughout every stage of the build and finish - informing you of all project developments as and when they happen. Learn More...


Welcome to Insulating Windows Limited

About Us

Our system is at the peak of current technical developments and is fully accredited by trade standards authorities. It will help keep you warm in winter; it will help reduce your energy costs and usage, it will imporove your domestic security and importantly, it will add value to your home.

But we don't stop at the product. Our personnel have excellent standards too. You will find our fitters to be highly trained experts who never lose sight of the fact that they are working in your home. They will you and their task with respect and consideration. above all, you will find they take great pride in their work and are never more pleased than when leaving a happy customer to contemplate a job well done.

Our personnel can advise on electrical fitments, fans, ventilators, plumbing and some aspects of local authority planning requirements. They will be pleased to put their experience to good use and will have no hesitation in helping you develop your ideas. Please remember though that for in-depth knowledge of planning laws you should obtain advise from a recognised and qualified source.

Privacy Statement

Business privacy policy

This privacy policy sets out how Insulating Windows uses and protects any information that you give Insulating Windows when you use this website.

Insulating Windows is committed to ensuring that your privacy is protected. Should we ask you to provide certain information by which you can be identified when using this website, then you can be assured that it will only be used in accordance with this privacy statement.

Insulating Windows may change this policy from time to time by updating this page. You should check this page from time to time to ensure that you are happy with any changes. This policy is effective from 1st Jan 2012.

What we collect

We may collect the following information:

  1. name and job title
  2. contact information including email address
  3. demographic information such as postcode, preferences and interests
  4. other information relevant to customer surveys and/or offers

What we do with the information we gather

We require this information to understand your needs and provide you with a better service, and in particular for the following reasons:

  1. Internal record keeping. 
  2. We may use the information to improve our products and services. 
  3. We may periodically send promotional emails about new products, special offers or other information which we think you may find interesting using the email address which you have provided.  
  4. From time to time, we may also use your information to contact you for market research purposes. We may contact you by email, phone, fax or mail. We may use the information to customise the website according to your interests.


We are committed to ensuring that your information is secure. In order to prevent unauthorised access or disclosure, we have put in place suitable physical, electronic and managerial procedures to safeguard and secure the information we collect online. 

How we use cookies

A cookie is a small file which asks permission to be placed on your computer's hard drive. Once you agree, the file is added and the cookie helps analyse web traffic or lets you know when you visit a particular site. Cookies allow web applications to respond to you as an individual. The web application can tailor its operations to your needs, likes and dislikes by gathering and remembering information about your preferences. 

We use traffic log cookies to identify which pages are being used. This helps us analyse data about web page traffic and improve our website in order to tailor it to customer needs. We only use this information for statistical analysis purposes and then the data is removed from the system. 

Overall, cookies help us provide you with a better website, by enabling us to monitor which pages you find useful and which you do not. A cookie in no way gives us access to your computer or any information about you, other than the data you choose to share with us. 

You can choose to accept or decline cookies. Most web browsers automatically accept cookies, but you can usually modify your browser setting to decline cookies if you prefer. This may prevent you from taking full advantage of the website.

Links to other websites

Our website may contain links to other websites of interest. However, once you have used these links to leave our site, you should note that we do not have any control over that other website. Therefore, we cannot be responsible for the protection and privacy of any information which you provide whilst visiting such sites and such sites are not governed by this privacy statement. You should exercise caution and look at the privacy statement applicable to the website in question.

Controlling your personal information

You may choose to restrict the collection or use of your personal information in the following ways:

  • whenever you are asked to fill in a form on the website, look for the box that you can click to indicate that you do not want the information to be used by anybody for direct marketing purposes
  • if you have previously agreed to us using your personal information for direct marketing purposes, you may change your mind at any time by writing to or emailing us at This email address is being protected from spambots. You need JavaScript enabled to view it.

We will not sell, distribute or lease your personal information to third parties unless we have your permission or are required by law to do so. We may use your personal information to send you promotional information about third parties which we think you may find interesting if you tell us that you wish this to happen.

You may request details of personal information which we hold about you under the Data Protection Act 1998. A small fee will be payable. If you would like a copy of the information held on you please write to 4/6 Mark Road, Hemel Hempstead, Hertfordshire. HP2 7BN.

If you believe that any information we are holding on you is incorrect or incomplete, please write to or email us as soon as possible, at the above address. We will promptly correct any information found to be incorrect.