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.

Our Brands | Internorm, Dako & Qfort Windows & Doors

We only work with the best brands

At Glassworx Ltd, we pride ourselves on offering high-quality glazing solutions from some of the most trusted brands in the industry. We work with renowned manufacturers such as Internorm and DAKO, providing innovative products that blend superior design, performance, and energy efficiency. With our expertise and these premium brands, we deliver tailored solutions for both residential and commercial projects, ensuring exceptional results every time.

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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

We only work with the best brands

Internorm

Dako

QFORT

Recent projects