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It's what we do


Passivlux has been formed specifically to supply high quality performance windows and doors to all sectors of the construction industry.

With over two decades of experience working within the industry we are partnering with Rationel UK who are recognised as one of the leading manufacturers of high quality energy efficient windows/doors in Europe. As well as Internorm, Solrarlux and Svarre.

Our commitment is to be your supplier of choice by providing full technical and design support along with the right product at the right price, ensuring that the service we provide you is friendly and professional at all times.


We offer the service of a full site survey.

This involves an accurate site measure with the use of a laser, along with the full confirmation of all applicable building regulation to all doors/windows included in your project.

This allows us to ensure and highlight details such as applying safety /barrier glass in the correct locations, ensuring means of escape & Background ventilation are included where required.

From this laser site survey we can place your order directly into the factory for manufacture. 

This service can be offered on both supply only and supply/installation projects.

Install & Service

We are a qualified contractor, CHAS certificated (The Contractors Health and Safety Assessment Scheme)

Also a registered member of the Fensa, this allows us to normally install doors/windows into existing residential property’s without a building control notice.

For most installations we use a German window sealing system(Compriband tape) which is inserted into the joint around the window /wall.

This guarantee’s a watertight seal between the building and the unit, and when fitted with a Passivhaus tape an completely airtight seal is also achieved.

We offer up to 10 year warranties on window/door systems which are registered with Fensa, carrying out service and adjustments within this period as well if ever needed.

Our Partners

Good, solid, quality workmanship has characterised Rationel’s windows and doors since the first products were shipped from our factory in Sdr. Felding in 1954. Based on this sound foundation, Rationel is today an international company with sales offices in Great Britain, Ireland and Denmark.

More details about Rationel

You can choose from the different Internorm design styles so that you can find the window and door solutions amongst the multitude of possibilities in shape, colour and material which fulfil exactly your demands on architecture, design and comfort: studio, home pure, home soft und ambiente.

More details about Internorm

The Danish company Vrogum-Svarre has developed the ultimate door and window system with a unique design, unlike any other on the market today. The external toughened glass is part of a triple glazed unit that beautiful protects all the working elements of the unit including the woodwork. The Svarre window is designed to be the world’s leading high performance, low maintenance window.


Pirnar is an entrance that draws sighs of admiration.

No other entrances are fitted with such innovative forms. They grab the attention with their various surface levels as well as with their astonishingly clean and perfect smoothness. Every handle is a masterpiece in its own right, arousing gasps of admiration at night as it lights up.

The four-fold glazing offers the option for endless experimentation with patterns and textures.


All Solarlux products hold multiple certificates from national and international testing institutes, and are constantly being tested and further developed and improved – even the design of the folding glass doors has received numerous awards. In 2010, the SL 82 folding glass door received the well-known iF product design award. And in the same year, the internationally renowned design prize, the red dot award for product design, also went to this successful range of all-glass folding doors


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