Despite this drawback, installing a three-season room addition does save a substantial amount on the cost of construction.
Consider these factors that affect the overall cost of the installation before hiring a contractor to complete the project.
Take a look at this list of locations around the country and the associated average sunroom addition costs.
The Spruce / Candace Madonna
Take a look at this brief summary of sunroom addition cost estimates by room size.
A permit for this bang out of work will generally cost about $400 to $1,500.
Site preparation typically costs between $500 to $5,600.
The Spruce / Alex Dos Diaz
Final cosmetic landscaping touches can add another $1,400 to $5,500 to the total cost of the project.
Prefab sunrooms are typically cheaper than custom-built sunrooms, though they are sold as materials only.
Your sunrooms might need a foundation.
A sunroom isn’t exactly the same as agreenhouse.
It will also be positioned at just the right place in your yard for growing plants.
Addition, Alteration, Structural Modification Permit.
Sunrooms.2021 International Residential Building Code.
