4. Castles weren't always cold and dark places to live. Castles are always depicted as dark and cold and some probably were. But, in reality, the great hall of castle had a large open hearth to provide heat and light (at least until the late 12th century) and later it had wall fireplace.
How did medieval castles stay warm?
Thick stone walls, tiny unglazed windows and inefficient open fires made the classic castle something of a challenge to keep warm. ... By heating the stones as well as the chamber, and directing the smoke away from the room, these fireplaces made life in a medieval castle a considerably more comfortable affair.
Why are castles so cold?
The main purpose of a medieval castle was defensive. It was a fort built strong enough to withstand military attack. Potential attacks could be from fire, gunshot, explosion or even tunneling beneath the castle walls. ... The result is that castles are generally cold and damp.