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Sat: 9am - 4pm, Sun: 10am - 4pm

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Warmseal Summer Special Offers


The largest supplier and installer of windows, doors, and conservatories in the North East for more than 25 years.

Warmseal: Sid the Seal

Warmseal Blog

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Warmseal Blog


Come and see us at our showroom in Newcastle.

Warmseal Showroom
Warmseal Windows
High Quality Doors
Stylish Conservatories

Did you know

we also provide…

Double Glazing Windows & Doors

Choose Warmseal to give your home the make-over it deserves! We want you to fall in love with your home all over again. That's why our high quality double glazing, doors and conservatories are produced in-house to the highest possible standard. All of our windows are A-rated for energy efficiency, and every single product we install comes with its very own Warmseal guarantee.

People often forget that the first thing you see when visiting a home is its windows, doors, and fascias. We think it’s important to show the outside of your house a little love next time you’re thinking about a home make-over!

If you're not sure where to start or you don’t know what kind of products would suit your home, look no further! Our friendly and expert sales team look forward to guiding you through the process every step of the way, helping to ensure you choose products you'll love for a long time to come.

Our Products

Whether you're looking for triple glazed windows or a front door then Warmseal can help. If you want something a little more complex such as an orangery or canopy then you'll be delighted to know that Warmseal are expert in the manufacture and installation of these too. Wherever you’re living in the North East, if you feel your home needs a makeover and you have a product in mind, Warmseal will do all we can to help you turn that vision into a reality!

Why Choose Warmseal?

Warmseal are the largest manufacturer and supplier of home installation products in Newcastle and the North East. And with over 25 years of experience in the industry, we really are the experts in our field. That means when you work with Warmseal you're working with a brand you can trust. What's more, over 75% of our business comes from customer recommendations or returning customers. We put customer satisfaction at the heart of everything we do, and that's why our customers love working with us!

Get in Touch!

If you have any questions or queries about working with Warmseal, or you'd like to arrange a no obligation one-to-one consultation with a member of our expert sales team then we'd love to hear from you!

Simply call Warmseal on 0800 321 7011

Alternatively, why not pop into our showroom in Newcastle? That way you can meet our knowledgeable and friendly team face-to-face, whilst browsing through all of the premium quality products Warmseal has to offer.

Warmseal Store Visit

W/C 29th June 2015 - we are in all the following stores Monday - Sunday:

  • Sainsburys - Cramlington
  • Sainsburys - Whitley Bay
  • Brocksbushes - Corbridge