What are the lead times for Glassworx products?

Lead times vary by brand. Internorm is typically 8–10 weeks, Dako is usually 6–8 weeks, and QFort (Cortizo) is generally 10–12 weeks. Lead times can change depending on factory workload, so for an accurate timescale it’s best to make an enquiry via our contact form.

Is triple glazing more expensive than double glazing?

Triple glazing is usually more expensive than double glazing, but many of our systems are designed for triple glazing, which helps keep the price difference relatively small. From time to time there are promotions such as triple glazing for the price of double. For current options, please contact Glassworx.

Can your windows and doors be used in a Passivhaus?

Yes. Glassworx offers several systems that are suitable for Passivhaus-standard projects. If you need detailed performance data and technical datasheets, the team can provide these on request – just get in touch via the contact page or email info@glassworxltd.co.uk.

Where is the Glassworx showroom located?

Our showroom is at The Cow Shed, Unit 4, Block 4, Manor Farm Business Park, Stirling, FK9 5QD. Visits are by appointment only, so please contact us in advance to arrange a time.

How much do Glassworx windows and doors cost?

All Glassworx products are bespoke, so pricing depends on sizes, specifications, glazing options and installation requirements. For an accurate quote, please complete our online enquiry form and the team will prepare a tailored estimate.

Do Glassworx work across the whole of the UK?

Yes, Glassworx supplies and installs across the UK. Delivery and installation costs may vary depending on the project location relative to our depot in Grangemouth, Scotland.

What are Glassworx payment terms?

For full installation (Gold Service), the usual payment terms are 50% deposit on order confirmation, 45% on confirmation of the installation date, and 5% seven days after installation. For supply only (Bronze) or installation support (Silver), the usual terms are 50% deposit on order and 50% on confirmation of the installation date. Full details are available in the Glassworx Terms and Conditions.

Dako Windows & Doors | European Quality, Scottish Expertise

Experience & Quality You Can Trust

With over 28 years of expertise in manufacturing PVC, wood, and aluminum windows and doors, as well as exterior roller shutters and garage doors, DAKO stands out for its commitment to quality and innovation. Our extensive product line features premium solutions rigorously tested and certified for performance and durability.

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Why we choose to supply and install Dako

Dako products have been tested and certified for their exceptional quality. We manufacture PVC, wood, and aluminium windows and doors, as well as exterior roller shutters and garage doors, to meet your architectural glazing needs. Dako products are available in both RC2 and RC3 safety classes, providing you with peace of mind that your property is secure.

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Our brands

Dako Windows

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Dako Gallery

We offer a range of design options to personalize your windows and doors. From colors to styles, we’ll work with you to find the perfect fit for your property’s architectural design.

Product Videos

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Visit our showroom

Our Cowshed Showroom in Stirling features a wide range of display products and our friendly team will gladly talk you through them. Showroom visits can be booked for any time that suits you. We’ll even make you a barista-style coffee!

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Recent projects

Retrofit project in east kilbride
Internorm extension project
Extension project
Internorm windows and doors
Sliding door Extension project – Glasgow, Scotland
Edinburgh extension project

Why we choose to supply and install Dako

Dako Windows

Dako doors

Dako Gallery

Product Videos

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Recent projects

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