The cost of decorating a house can vary greatly based on several factors like the size of the house, scope of work involved, types of materials chosen, and desired level of customization. On average, homeowners generally spend between 5% and 15% of their home's value on décor items. For example, if your house is valued at $300,000, you could expect to spend anywhere from $15,000 to $45,000 on decoration expenses. This budget includes expenses associated with purchasing furniture pieces,