Frequently Asked Questions


To find answers to commonly asked questions about our products and services, simply click on the questions below.

Alternatively, get in touch with us to find out more.

How long has DL Windows Ltd been trading?

DL Windows Ltd has been in business since 1968, we pride ourselves on providing a quality product to suit all budgets.  We have an aftercare service which is second to none, which is why our customers continue buying from us year after year.

Do our windows carry an energy rating?

All D L Windows Ltd products are energy rated and come as standard A rated.  We can install a product to suit all ratings.

Are DL Windows Ltd insurance backed?

We offer insurance backed guarantees where required for certain products. Our advisers can discuss this with you in more detail. 

Can I get a price via email or over the phone?

Because all of our products are custom made and individually tailored, we work out costs according to your exact requirements rather than giving standard prices. To receive an accurate price, please arrange an appointment with one of our representatives. If you want a ball park figure and you have your windows sizes, give us a call and we will give you an estimate.

What does our guarantee cover and how long?

We offer a range of long-term guarantees covering all of our products. The exact details of the guarantee depend on the product. See the individual product pages for more information.

What deposit is required for my purchase?

The typical deposit for a purchase is 20%, but this should be discussed with your advisor during your appointment.

Do you do repairs on other companies' products?

We directly employ an experienced service engineer who will assess and undertake any repairs on our own products. All repairs and fees will be discussed with you prior to any call out being made. We can also advise and recommend a repairer for any products which we did not install.

Do you do supply only?

All our products can be fitted by our experienced skilled installers or we can provide them as supply only.

How can I be assured of the quality of your products?

D L Windows Ltd are committed to providing our customers with the best quality windows, doors and conservatories. To achieve this goal we purchase our products from Duraflex who have devoted time, effort and expense to obtain all relevant Standards and Accreditations the industry has to offer.

Not only are the products continually audited by BSI to ensure compliance with relevant British and European Standards, but the operation is audited likewise by BSI as compliant with the International Standard for business management ISO 9001.

What kind of locks do DL Windows Ltd use?

We use the most secure locks available dependent on the product. All D L Windows Ltd security products are tested to meet and usually exceed British Standards. See the individual product pages or speak to an advisor for more information about the locks we use.

How long will my home consultation last?

Our consultations are entirely geared around your needs, so the length can vary. Generally speaking, we often need no longer than 30 minutes or so to find out what you want and measure up. All quotations are posted to you usually the same day.