Screened-in Porches How Much Do They Cost to Build

Screened-in Porches How Much Do They Cost to Build

Screened-in Porches: How Much Do They Cost to Build?

One of the most commonly Googled phrases or topics bringing readers to the Between Naps on the Porch blog is, How much does it cost to build a screened in porch.   Lately Ive been getting a few e-mails asking for this information, too.  You know what that meansspring is not far off!  Almost porch time again!

Today I thought Id share the nitty gritty facts and figures of just how much it cost to build my screened-in porch in hopes it will help answer some of the questions I know many folks have about adding a porch.

Having a screened-in porch had always been a dream of mine.  We had a small screened porch at our very first house when we were stationed at Ft. McClellan in Alabama many, many years ago.  We loved it and our cats loved it, too.

The old deck on my current home was not even usable.  It was on the south side of the house and starting around noon, the sun beat down on it every day until late evening.  It was so blazing hot during the summer, you couldnt walk on it barefoot.  Plus, boards were popping up in various places.  It was a mess.  I knew something would have to be done before much longer since the old deck really wasnt safe to walk on.  Rather than add back another deck that would also be scorching hot, I decided to spend a little more and add on a porch.

When I started getting estimates for a porch, I was surprised by the dramatic range in the estimates I was receiving.  Some of the estimates were triple what others were!  I ultimately went with a wonderful contractor I had met on a job site 10+ years before.  He was honest, forthright and came highly recommended by those for whom he had worked.  He drew up all the plans but unfortunately due to serious health issues he was having, he wasnt able to oversee the building of the porch.  His partner handled most of the work but he is no longer building now since the building industry took a nose dive here in the Metro Atlanta area.

As I share today what I paid to have my porch built in 2008, please keep in mind costs varies a good bit depending on where you live, the materials you choose, the features you include and other choices you make during the process.  If you are considering adding on a porch, I encourage you to get at least three estimates, four-five is even better. Yes, that takes a lot of time, meeting with all those contractors, but each time you get an estimate, the person giving you the estimate will most likely suggest or point out something new, something you hadnt thought about doing or something important you need to know about the process.  You really learn a lot during the estimate process.  I also spent a lot of time reading porch books before adding on my porch.  I highly recommend that, too.

Before adding on the porch, my old deck had to be demolished.  So my costs included tearing off and hauling away the old deck.  If you dont have an old deck to remove, youll save that expense.

Whenever you start a renovation/addition, there will always be surprises.  One of the surprises we had pop up was needing to replace all the siding on the portion of the house below the deck.  Apparently, back in the day when my home was built, builders didnt always use flashing between the deck and the house.  This can cause damage to the siding, and it did.  This was the perfect time to correct that so I replaced all the siding on the lower portion of the house underneath the deck.

How Much?

Subtracting the cost of replacing the damaged siding and subtracting the cost to demolish and haul off the old deck, the cost to add on a 14 x 18 screened-in porch with two adjacent decks measuring approximately 12 x 12 and 8 x 26 was around $23,000-24,000.

NOTE:  If you dont have an old deck to remove, dont include some of the features I included (more on that in a sec) and you arent adding on two decks, you could probably keep your cost down around $18,000-$20,000, probably even a little less.  Every situation is different and a lot will depend on the size porch youre adding.

I also added a small front porch (can be seen here: Front Porch Addition ) and finished 2/3rds of my basement at this time, so that helped reduce the cost a small amount since it was being done along with two other fairly major projects.

Lets take a look at some of the features I included that increased the cost of building the porch.

Gable Roof Instead of a Shed Roof:  $340

A gable roof instead of a shed roof added $340 to the estimate for the porch.  Google shed roof and you can see what those look like.  Nothing wrong with that style, I just preferred the gable roof design.

Arched Windows: $725

Arched windows was another added expense, increasing the cost by $725.  The screened windows arent really arched, instead panels were cut and installed on either side to give the appearance they are arched.  The screens are actually square and are designed for easy removal if one becomes damaged and needs to be replaced.  Not really sure why that increased the cost so much, but thats what the contractor charged.

Tongue and groove, pressure-treated pine flooring: $685

Another feature I requested that added an additional expense was tongue and groove, pressure-treated, pine flooring instead of regular decking like you see on a lot of screened-in porches.  I didnt want to worry about mosquitoes or bugs coming up between the decking of the floors.  You can screen underneath a porch floor to avoid that, but I really wanted the porch to feel like another room that just happened to be screened.

The T & G (KDAT) flooring added an additional $685 to the cost of the porch.  That also included the special AdvanTech subflooring my builder used underneath and hiring a professional flooring company to install it.  If you decide to use KDAT wood for your porch floor, be sure to use a professional installer who installs it per the recommendations of the manufacturer.

The cost for the outdoor speakers were $165 (for two).  Its important to use speakers meant for outdoor use because regular speakers will not hold up to rain and humidity.  These still sound great after five years so they have worked out well.

Gas Line for Grill:  $275

Speaking of the grill, I was badly in need of a new grill.  I decided to go with a grill that could be connected to the gas line.  I was tired of hauling tanks back to the hardware store for a refill and didnt like worrying about running out in the middle of a cookout.

The gas connection enters my home just a few feet away from where the grill sits on the deck, so I had a gas line run to the grill and purchased a 4 burner gas grill.   The cost to have the line run to the grill was $275.  (You can see the grill out on the deck in this Spring Tablescape post.)  I really enjoy it and definitely dont miss those refill runs to the hardware store.

Pergola: $250

At the last minute I decided I wanted one of the decks to have a different look and feel so I added a pergola over the deck just outside the bay window off the kitchen.  It was easy to add since one end could attach to the house.

The pergola also provided a place for hanging a Smith & Hawken candle-lier (candelier?).  To add a pergola probably cost more normally but since the men were already here working on the deck, I think that helped keep the cost down.

Funny story:  The men my builder hired to build the deck, just built decks for a living.  They didnt know what a pergola was when I told them I wanted one.  I got out some of my gardening books and showed them a few pictures.  They still seemed confused.  I was worried.

Then one day they arrived all excited to get going on the pergola.  They had seen one somewhere on the way to my home and once they saw it, they knew just what to do.  They had it built in no time.  Ive loved having it and it really adds so much to this small deck.

Screened-in Porches How Much Do They Cost to Build

Items Not Included in the Estimate Above :

Even though I planned to use lots of lamps on the porch, code required I have a light by one of the doors leading out to the porch.  Of course, the wiring for the light was included in the estimate I gave above, but I purchased all my lighting separately.

I remember the day my builder told me I had to have a porch light by the door.  I was envisioning some ugly old porch light like the one I had removed when they built the porch. I was really happy when I found this Hinkley lantern at Home Depot Expo (before they all closed) on sale for $118.  Its still availablejust found one at Lighting Universe.

You can see it there beside the door leading into the breakfast/kitchen area.  The old porch light used to be over beside the door where the hutch is now located. I had it moved over beside the other door so I would have space for a hutch.

Ceiling Fans: $159 each 

The ceiling fans were not included in the estimate I gave earlier in the post.  Just the wiring and installation for the fans was included.   Extra info:  The ceiling boards came with a wide bead-board look on one side and a narrow bead-board on the other side.  I used the wider beadboard for the screened-in porch and the narrow beadboard side for the ceiling of the front porch  I had added at the same time.

I chose white outdoor fans so they would just sort of blend into the ceiling.  I wasnt having any luck finding ones I liked in the local stores so I went online and found the Hunter Bayview, 54 inch, 5-blade outdoor fans at Lowes.  The Bayview fan has a wicker-look design thats perfect for a porch with wicker furniture.

Lowes didnt stock them so they had to be ordered.  I love them and they are super quiet.   I just noticed they are available on Amazon for around the same as what I paid back in 2008.

One more interesting fact about the ceiling, my contractor filed a building permit before getting started on the porch, so the porch received inspections periodically during the building process. During one visit, it failed its inspection because the roof didnt have hurricane clips. The county I live in requires them.

Ive lived in Georgia my entire life except for 4 years when we were stationed in Alabama with the U. S. Army, and during all that time I only remember one hurricane coming throughHurricane Opal. It was eye-opening! Im used to tornadoes but had never really been through a hurricane. It brought down a  humongous tree in my yard.  Hurricane clips are also great at keeping the roof on during strong winds caused by tornadoes.

I was surprised the inspectors required hurricane clips this far north in the state of Georgia, but Im glad they did. Maybe it was the porchs high ceiling that made them necessary, not sure. Just something to keep in mind if youre adding on a porch.

Additional Electrical Outlets:

I added a lot of outlets on the porch and decks since I planned to use a lot of lamps on the porch and some lights out on the decks.  Plus, the grill has a light inside.  The additional outlets added about $400 to the cost of building the porch.

I have four outlets on the porch, three on the deck that holds the grill and one on the deck under the pergola.

I use them for string lights along the pergola and underneath the handrail.  I also use the outlets on the decks for my electric blower in the fall.


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