Triple Glazing Londonderry

Window and Door Installations Across Northern Ireland

Feneco Systems supplies and installs high quality, energy-efficient, triple glazed window and door systems in Coleraine and across Northern Ireland. Use our online quoting engine to get a free quote today.

Feneco Systems supplies and installs high quality, energy-efficient, triple glazed window and door systems in Coleraine and across Northern Ireland. Use our online quoting engine to get a free quote today.

Double Glazing Prices Londonderry

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At Feneco Systems we supply and install bespoke window and door systems, serving customers across Northern Ireland and in the likes of Coleraine, Belfast, Maghera, Magherafelt, Limavady. All our triple glazing is sourced from market-leading manufacturers such as Internorm of Austria and Solarlux of Germany.

All Aluminium profiles can be factory pre-anodised for coastal environments to give a lifetime of hassle-free service.

Internorm are Europe’s market leaders in passive house technology for highly thermally efficient, durable triple glazed aluminium, timber and uPVC composite systems. Solarlux are Europe’s market leaders in high-quality bifolding doors, sliding doors and wintergardens in Insulated Aluminium.

Window & Door Prices Londonderry


Internorm has been producing the highest quality window systems in Austria for over 90 years. They are renowned European market leaders for triple glazed passive house exceeding window and door systems. They effortlessly combine looks, comfort and style. Internorm offers a wide range of composite windows and doors, including Aluminium/Timber and Aluminium/Upvc composite triple glazed systems, Aluminium entrance doors and lift and slide patio doors.

These come with certified efficiencies in the 0.6-0.8 W/m2k ranges for complete units as certified by leading test centres like IFT Rosenheim. Internorm windows and doors are renowned for optimal energy efficiency. They require minimal maintenance, are long-wearing (the typical life expectancy of the Alu/Timber systems is currently 86 years) and are easy to clean.

Wintergarden styles Londonderry, Northern Ireland


Solarlux have been producing high quality bifold doors and wintergardens in Germany for over 35 years. They are well known for their quality and durability offering a range of high quality sliding doors, wintergardens and façade solutions. Solarlux doors and windows offer transparency and help create a seamless transition between your Northern Ireland home and garden. Their innovative design possibilities have been a worldwide success for many years offering energy efficiency, style and class.



Our showroom has a pleasant atmosphere, where you will receive a good overview of the products we provide.


Comprehensive knowledge of all triple glazing products and services that will help you make the decision easier for you.


We personally collect the necessary original measurements using our own fully qualified survey team.

Bifold Door Price, Londonderry, Northern Ireland


Read our case studies today to be inspired by our energy efficient triple glazed windows and doors.

Windows and Door Prices Londonderry, Northern Ireland

Why Choose Feneco?

With decades of experience and the original distribution partner that introduced Internorm products to Northern Ireland and Ireland, no one knows the Internorm product line like the team at Feneco.

We are specialists in supplying and installing high quality, energy-efficient windows and doors systems throughout Northern Ireland. Our highly experienced team work closely with architects and designers to provide bespoke triple glazed windows and doors solutions that will match the personal style of your home.

We also supply and install frameless glass balustrades and pride ourselves on providing top-quality glazing systems at great prices. Contact us for more details.

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