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About Us

Modglass, Sheffield have over 30 years experience in supplying and installing PVCu Windows, Doors, Conservatories, Orangeries, Porches and Roofline in South Yorkshire.

At Modglass, we endeavour to be the best and that's why we only use and fit the best PVCu energy saving windows and doors. The profile we use is renowned for being the best on the market, it's the VEKA system which is one of the UK's most energy efficient windows.

We believe that the customer deserves the best, so on every installation you will deal directly with the owners of the business, we will be onsite to make sure everything is running smoothly and how it should be.

We offer a full 'unconditional' guarantee, where as others have terms and conditions I.E. handles are only guaranteed for 12 months – ours are a full 5 year guarantee. We supply and install Double Glazing, Conservatories, Orangeries, Porches, High Security Doors and Roofline.

You can trust our reputation....

We are local people serving local people. That is why Modglass have built up one of the best reputations in our field, and we hope to continue with what we have been doing year after year. Buying local give peace of mind.

High security

We use the new Sac shootbolt system as it is specially designed to be flexible and adaptable. It also takes pressure away from the hinges, ensuring a longer life for your windows – and the tight seal guarantees superb weather protection too. So you'll feel safe and secure in every way.

Peace of mind

Our double glazed units come with a 5 year guarantee and every one of our PVCu products comes with a 5 year guarantee. You can therefore be rest assured that all maintenance and care, as well as repairs and replacements, are completely covered.

Saving you money

Window Energy Ratings (WER) are a guide to the energy performance of your windows. We only install windows and doors that have a min of a C energy rating, and by installing the most efficient products we save you money on your heating bills.