We are the specialists in bespoke timber, composite timber-aluminium and aluminium only windows and doors

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Internorm is an Austrian manufacturer of high performance Tilt & Turn windows, entrance doors and oversized sliding doors in PVC, Composite PVC/Aluminium and Composite Timber/Aluminium.

Design your entrance door

With the help of Internorm's Door Designer, you can design your own personal entrance door quickly and easily online.

Go to Door Designer


Internorm was established 85 years ago in Austria as a one-man locksmith's service. Since, it has developed as a one of the largest internationally active window brands. Internorm is known for their high-tech solutions for example: solar battery operated integral blinds, fingertips door locking, electronically operated trickle vents.


Internorm manufactures PVC, Composite PVC/Aluminium and Composite Timber/Aluminium windows and doors. Windows are characterised by inward opening motion (tilt and turn).

Internorm product range is divided into 4 lines:

Each line is available in several grades to accommodate budgets and technical requirements of the project.

More information

For all up to date technical information please contact our office at 01914478289 or follow link below which will redirect you to manufacturer's website.



The following products are available within Internorm range: