Leading specialist experience

Our management focus means your business is uniquely positioned to offer the best design service and products which are built to last and that will enhance your reputation.

We are the best at what we do, having provided secondary glazing solutions to our commercial partners across the UK for over 35 years.

Partner in commercial design

With a wide range of secondary glazing options from traditional to contemporary, as well as top-quality design support including technical drawings, let Granada provide the extra dimension to your original vision. We aim to be part of the design or renovation of a property from the initial design process to final installation.

Partner with Granada

Sound and energy-saving performance

Whether your client is renovating or building from new, every property presents its own unique challenges. Let us assist you in finding the ultimate solutions whether tackling a noise ridden property or a listed building that needs to be modernised. Our products solve multiple client challenges at once, from sound proofing to heat retention and security.

Design assistance at every stage

We offer a fully managed solution from design to manufacture to installation. Our design experts provide CAD measurements for drawings as well as site visits from a dedicated account manager for advice. Our comprehensive range of products for even the most awkward spaces means never having to compromise on quality.

Partner with Granada

State of the art manufacturing

All our products are extensively tested, carefully assembled and backed by warranty meaning you’re able to fulfil your own commercial obligations. Our product quality is industry leading and our Sheffield manufacturing facility is controlled by us. Our installers are trained and accredited by us, usually above industry standard.

How Granada works for you
Quality products
Quality products
Fewer customer queries, simple to install, rigorously tested
Multiple design choice
Multiple design choice
Fully customised products, maximum customer options
Technical back-up
Technical back-up
Advice, technical support, on site technical visit by advisor
Full advisory service
Helpline for homeowner product, service or installation queries.
Full advisory service
Installation accreditation
Training and accreditation provided by us with technical site guidance.
Installation accreditation
10-year warranty
For all frames and glazing. British factory made, engineered to last.
10-year warranty

Interested in a commercial secondary glazing solution?

Submit your enquiry