Oslo
Snowy winters: a glass roof sized for snow + double glazing.
In Norway, a “hagestue” or “innglasset terrasse” is how you meet long winters and wet days with light. A glass roof and warm LED keep you connected to the garden even in the dark months.

A wet, windy maritime climate on the coast (Bergen is one of Europe’s rainiest cities) and cold, snowy winters inland. In the north daylight is very short in winter, with the midnight sun in summer.
Snowy winters: a glass roof sized for snow + double glazing.
Lots of rain: a fixed glass roof and sliding glass.
Wind and cold: an enclosed hagestue.
Dark winters: warm LED and heaters.
In Norway, whether an uterom or hagestue needs an application (byggesøknad) depends on size and location; your municipality decides. Snow load is assessed by region.
Yes, per project.
Glass and profiles are chosen for the local snow load.
Send sizes and photos; we reply the same day.