Friday, 30 March 2018 / Published in Uncategorized

Welcome to Coldseal Windows, Doors and Conservatories

We are double glazing experts supplying and installing high-quality uPVC windowsdoors and conservatories 

At Coldseal Windows we are dedicated to our customers. Having provided excellent double glazing services for customers throughout the Midlands and Yorkshire, we have established an outstanding reputation for our first-rate customer service.

We provide the best value double glazed windows, doors and conservatories locally. Our market-leading double glazed units are manufactured to the highest standards ensuring we provide all our customers with the very best  quality double glazing available.

With our competitive prices, superb double glazing and reliable work ethic – we really are the local double glazing company that meets your every need.

Insurance Backed Warentee

The basis of all accreditations is competence, all of our fitters are competent persons and skilled craftsmen, we offer all of our customers a comprehensive 10 year guarantee that is underwritten by our insurance, we do this to offer our customers total peace of mind when selecting Coldseal as the installation partner.

Coldseal will guarantee you complete product protection and guaranteed compliance with the latest building regulations.

The Third part, insurance backed warrantee gives you unquestionable protection and peace of mind when buying our double glazing products.

Offering high-security locking systems from Yale that are Secured by Design accredited allows us to offer you the very best in security for your double glazing needs, and gives you the peace of mind that your home is consistently safe and sound.

Providing high-quality Liniar uPVC, we can promise you a market-leading uPVC profile that is highly energy-efficient, completely recyclable and a secure option for your home.

ColdSeal double glazing nottingham Liniar

ColdSeal secured by design double glazing nottingham

10 Year Warranty on our uPVC Windows and Doors

Our uPVC Liniar windows and doors are British made & come with a 10-year manufacturer’s guarantee against warping, splitting or discolouration. This provides you with peace of mind, as well as trust in the durability and strength of our resilient uPVC windows and doors.

Liniar uPVC is exceptionally strong and thermally efficient, using patented uPVC technology with a multi-chambered profile to deliver your home with the finest uPVC insulation available on the market.

These revolutionary uPVC windows and doors are eco-friendly too! They are 100% British manufactured, completely recyclable and lead-free, making our uPVC products miles ahead of EU regulations.

All this and more install, welcome to Coldseal Windows, from all of us to you.


composite door, composite door derby, composite door nottingham, composite door leicester, front door, entrance doorHigh Quality Composite Entrance Doors Derby

coldseal Windows have just installed 5 new high quality composite entrance Doors Derby, in our Ascot Drive showroom. And you are invited to come along and try them out

You may be looking for a new composite entrance door in Derby to improve security, create a better curb appeal or to lower your energy bills what ever the reason coldseal Windows have an entrance door solution for you.

These doors are used by many Derby homes and they are installed with a comprehensive 10 year warrantee. When choosing the style of door you want in your home you can choose an entrance door that replicates the classic timber look a modern sleek door, tastefully decorated with double or triple glazed ornate glass and an oversized chrome handle.

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At coldseal Windows we ensure all our composite entrance doors offer excellent security, durability and thermal performance, making them an extremely good all-rounder for any Derby home.

These quality front doors offer impressive aesthetics that will suit any property. Practical and stylish, these doors are ideal for both modern properties and heritage homes alike. Highly weatherproof and durable, our Derby composite front doors are a great investment and will keep your home protected from the elements and intruders alike.

Authentic Composite Entrance Doors Derby

These beautiful Derby composite entrance doors are a great way to achieve the classic beauty of timber, without the high maintenance, warping and constant stripping and sanding. Generally speaking,a quality composite door is maintenance free.

coldseal Windows take care to ensure all our quality composite doors are assembled using innovative uPVC technology and top of the range, high security yale locking systems. Our quality composite doors are highly weather resistant, so your quality composite entrance Doors Derby will keep you protected from the elements all year round.

composite door, composite door derby, composite door nottingham, composite door leicester, front door, entrance doorThermally Efficient Composite Entrance Doors Derby

Our quality composite front doors are an incredible way to ensure impeccable thermal performance for your home. With Glass Reinforced Plastic skins and a 44mm (or 70 mm for the ultimate performance composite door) thick insulated door slab, these doors exude thermal performance. Additionally, our frames are produced with an option a wide selection of colours.


Book a free Home Makeover survey

coldseal Windows, Derby: We have a wealth of experience in installing composite doors throughout Derby and Derbyshire and beyond, we are considered the local composite door experts for quality installation and total peace of mind and we’re more than happy to answer your questions.

Call us on 01332 208833 or contact us to book a free home improvements survey or to discuss your requirements.