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Sunrooms Are Expensive, Why?

Sunrooms are very popular in the United States for a reason. Who wouldn’t want to enjoy the sun and the beauty of the great outdoors while being sheltered away in the comfort of their home at the same time?

If you were thinking of adding a sunroom to your house, but afraid that you might not be able to afford it, then you have come to the right place. This article will walk you through the expenses of adding a sunroom to your house.

Sun rooms are great additions to any house and a great way to bring the outside in.

First things first; here is a list of what you have to consider before taking on such a project;

  • Permit

  • Foundation

  • Size

  • Materials

  • Labour


1. Permit

It differs from one state to the other, but you most probably need to get a permit to add a sunroom to your home. Consult the zoning office before commencing this project, and keep in mind that a permit usually costs around $400.

Note that sunroom permit might take from 6 to 8 weeks to be granted, so make sure that you have one before any work begins.

2. Foundation

If you do not have a deck or a raised porch in your house, you will need to lay a foundation first to raise a deck before building the sunroom; that typically costs from $2,000 to $4,000, excluding the flooring costs.

3. Size

The size of your sunroom will determine its cost for the most part. The larger it is, the more wood and glass required to build it. A prefabricated room will cost you from $15,000 to $35,000, taking the preparation and foundation into consideration. The cost will rise depending on the furnishing and different additions as well.

Wood is the most expensive structure material in building sunrooms, but it is also the strongest.

4. Materials

Materials used in building a sunroom will play a major part in its cost estimate. The below table shows the materials most used in such projects.

Structural Material




Vinyl $$ Good strength Energy efficient, needs minimal maintenance, great insulation
Aluminium $$$ Stronger than Vinyl Adds strength to roofing structures
Wood $$$$$ Stronger than both Vinyl & Aluminium Needs ongoing maintenance

5. Labor

Hiring a professional to build your sunroom is the safest way to go, especially if you are not familiar with this kind of work. Costs vary from one contractor to another, but usually, a carpenter will cost around $70 hourly, and an electrician will cost about the same, and you will need one for wiring and lighting. Bear in mind that these rates do not include the materials used by said laborers.

Sun rooms can be great for all seasons when built correctly.

In conclusion, a sunroom’s cost will vary depending on its size, the material used in building it, the furniture you will fill it with, and whether you decide to build it yourself or hire a professional for that job. The cost will go anywhere between $10,000 and $70,000.