ETRUM windows and balcony doors are a versatile family from WnD. Prices are not high, so you can save money while enjoying good quality. Many additional options of connectors and extension profiles allow to build even large, multi-element structures. The classic profiles will fit perfectly into traditional and modern construction.
There are also monobloc and renovation frames available, which make installation easier by covering the insulation layer from the outside or window opening imperfections from the inside.