A summer house or summerhouse has traditionally referred to a building or shelter used for relaxation in warm weather. This would often take the form of a small, roofed building on the grounds of a larger one, but could also be built in a garden or park, often designed to provide cool shady places of relaxation or retreat from the summer heat.
Sommerhus (in Swedish: sommarstuga or lantställe), in Norwegian hytte, is the term used in the Scandinavian countries to describe the popular holiday homes or summer cottages which are often located near the sea but can also be in attractive areas of the countryside. Most of them are timber constructions, often suitable for year-round use. Increasingly they have additions such as saunas, heating ovens, fireplaces or attractive gardens. Increasingly, English speakers call them summerhouses. A Swedish "sommarstuga" is traditionally painted with a special red colour called "falu rödfärg and has white trimmed corners, windows and doors."
Many of the Danish resorts depend on the rental of summerhouses to accommodate national and foreign tourists who can rent them, usually on a weekly basis, at prices well below those of hotels. But Scandinavians often spend a considerable amount of time in their summerhouses which are often the venue for family reunions or simply weekends away from the office.
In recent years, the popularity and thus the cost of summerhouses has increased appreciably, particularly in Denmark's coastal resorts. While under Danish law, owners are not normally permitted to use these houses as permanent homes, an exception is made for pensioners.
Political issues 
Many governments have made it illegal for people to live permanently in summer homes despite these smaller homes being much more affordable and sustainable than larger homes. It brings up many human rights issues such as the right to use ones own property.
See also 
- Bothy - simple shelter
- Bungalow – type of single-storey house
- Dacha – seasonal or year-round second homes located in the exurbs of Soviet and Russian cities
- Derby Summer House
- Mountain hut - building located in the mountains intended to provide food and shelter to mountaineers and hikers
- Pied a terre – small living unit, typically located in a large city
- Shepherd's hut
- Tea house
- Vacation rental
- small house movement
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