Who we are

NoFrame Windows is part of Heka Windows Group, a family-owned business with roots in Europe dating back to 1994. What started as a small window manufacturing operation has grown over more than three decades into a specialist company creating bespoke windows and doors for projects around the world.

Today, the business is owned by Derek Rejman, who continues to build on the experience and craftsmanship developed over generations of the company. For us, windows are not simply products. They are architectural elements that shape how a building looks, feels and connects with its surroundings.

Our journey began with the production of uPVC windows in Schüco and Rehau systems. Over the years, we expanded into aluminium and, since 2012, timber windows - initially serving clients primarily across Germany and the UK.

Today, we work with some of the most respected systems in the industry, including Schüco, Panoramah, Reynaers and Sunflex, alongside timber, uPVC and composite solutions from leading manufacturers such as Schüco, Veka, Rehau, Gutmann and Aluron.

But experience is only valuable when it translates into better work. We combine established manufacturing expertise with a highly personal approach, working closely with architects, designers, builders and homeowners to deliver solutions that are right for each project.

Our windows and doors are now installed across the UK, Germany, USA, Australia, Norway, Belgium, France, the Netherlands, Poland, Austria and Switzerland.

We hold the certifications required for our products across the UK and EU, including Certass, and provide a 10-year guarantee, supported by certification.

After more than 30 years, we are still driven by the same idea that started it all: make things properly, work closely with our clients, and create windows that will stand the test of time.