The type of wood, flooring, roofing and other materials you use will significantly impact the overall cost of your treehouse. For example, using high-end materials like cedar, redwood, or ipe will cost more than inexpensive materials like pine or pressure-treated wood.

While there isn't any “best” age for a tree house, it's safe to say that you really should wait until your son or daughter is walking and stable enough on their feet. That said, the ideal age can range anywhere from toddlerhood (2 or 3 years old) to school-aged (6+ years).

Standing 30 metres to 50m above dense jungle in Laos's Nam Kan National Park – and traditionally only accessible to monkeys – these are the world's highest tree houses.

the higher, the stronger the wind load. the higher, the more dangerous everything becomes (falling objects, people, …) For small children, the platform height should not exceed 3 m (10 ft), so slides and climbing ropes can also be attached.