15 Things to Think About BEFORE Adding an Addition to Your Home (2024)

Hello! About a year & a half ago we completed an addition to our home. I never really blogged about it during the process because {one} It was a super stressful time! ha! ;){two} At times I wasn’t 100% sure we could pull if off. Annnnd {three} it took a super long time to get ‘er done! Adding on to your house is a HUGE decision. It is not one to take lightly, & so much goes into deciding how to do it, what needs to be done, how to pay for it, where to begin & lastly, finishing the job. So today I thought I’d share 15 Things to Think About BEFORE Adding an Addition to Your Home. So let’s get started! 🙂

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1. What will this addition be used for? What are your needs?

We bought our 1531 square foot home in 2007. It was a 4 bedroom, 2 bath home with an open eating area & living room with a big pantry & laundry/mud room. When we bought our house we were a family of 6. Each boy got their own room & my girls shared the bigger of the three kid’s room. Since then we’ve added another kiddo, & my kiddos have gotten much bigger, too! ha! We have 2 (almost 3) teenagers now! How did that happen? 😉 We love the location, the neighborhood, our little town….the house was getting a bit cramped though! We needed another living area for the kiddos to hang out in when friends were over & just a little more space to spread out. That’s when my head started spinning….maybe we should add on to our existing home!

2. Then you will need to brainstorm lots of ideas. Books, the internet & Pinterest are all good places to start. What styles do you like? What is your game plan? What do you want your finished addition to look like?

We decided on a simple square room off the back of our house. Nothing fancy! 😉 If budget allows you could even get an architect to draw up some plans. We didn’t have an architect in the budget. So that left the hubby to draw up some plans! Thank goodness he has lots of experience building things ~ mostly barns & sheds though! Eek! I trusted him completely though!

3. How will you finance your addition? What is your budget?

Before you start any major home improvement project you’ll need to decide how much you can afford. Your budget needs to be a little bit flexible to factor in the unforeseen things that are bound to come up. I promise they will! ha! We were going to do everything ourselves & pay out of pocket. So staying close to on budget as we could was crucial. Additions can cost thousands & thousands of dollars. Our budget was $10,000. Thankfully we came in just under budget! Whew! 😉 Remember if you are going to hire out a lot of the labor to contractors you will pay much more than this. Here’s my “hired” help! ha! 😉 We were moving rocks from our rock patio out of the way, & they thought all the slugs we found were so awesome. I thought they were gross! 😉

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4. Another thing to think about is where you should you add on? What would work best? Will your new addition go with the flow of your current home? Also, think about if you be able to find building materials that match your current home.

The most successful additions will look like they’ve always been there. We knew the easiest addition would be to the back of the house. It would be easy to go off our kitchen. It’s hidden from the road, so it wouldn’t alter the appearance of the front of the house. It would also be easier to match the existing siding on the back of the house rather than the brick on the sides & front. It just made sense for us to go that route with our plans. We were also fortunate that our home is pretty new. It was super easy to find matching windows, siding, doors, etc. that were exactly what we already had in our existing home. Planning an addition carefully with a skilled architect is the best way to ensure that the house looks as good, or even better than before. My “skilled architect” was the hubby! Since our addition was pretty simple it turned out all right. Thank goodness! Buuuut when in doubt call in the professionals. I wouldn’t recommend the guy below! ha! 😉

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5. Before you begin you will need to think about any POA or HOA guidelines & restrictions. Most POAs and HOAs will require approval before you do anything.

We made sure that we ran our ideas past our POA board. In our POA by-laws we had to get everything approved through them down to what materials we were going to use & how far our addition was from the fence. We had to agree to use the same roofing material, siding, colors & window that were on our existing home.

6, Think about the permits you will need to get from your city or county. You will need these before you begin any work.

We needed a building permit & an electrical permit. Your city or county may vary. So be sure to check on all of that before you begin. Be sure to budget the permit cost into the cost of your addition. Annnnd be prepared for inspections! Stressful! haha! We had three different ones. One to check the foundation, one before we put the sheetrock up to check all the electrical wiring & then one final inspection. Annnnd did I mention my hubby wasn’t home for 2 of those! Eek! I’m so glad we passed! 😉 Also, keep in mind that these permits have time limits. Ours expired after a year. We barely got in done in time. Yay! If you do go over time, you will need to renew these permits.

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7. You also have to think about what’s under your addition! You don’t want to bust any pipes putting in your new foundation. So before you begin any work be sure to call before you dig! You’ll need a professional to mark all the utility & water lines. Most states have a number you can call to set up an appointment. Then you’ll know that you are good to go!

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8. Think about who you are going to use to do the work. Make sure you trust them!

As I said before we did just about everything ourselves. It was overwhelming at times. Buuuut we really pulled together as a family to get it done. We saved a huge amount of money doing it ourselves. One down side of doing it all yourselves is that it is going to take time. Lots of time! It took us exactly a year to get it done from start to finish. Whew! Ideally it would be nice to hire in some help. Especially if you aren’t comfortable ripping into your home! I think the scariest moment for me was when my hubby cut into our existing roof. There was no turning back! ha! My biggest tip is to make sure you trust whoever you use. Get references! It’s a big deal to add on to your home. You need someone you can trust & depend on. Thank goodness my hubby (& kiddos!) fit the bill! ha! 😉

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9. Be sure to factor in that you will have some unforeseen events & cost that come up! It will be OK! 😉

Our most stressful unseen event that came up was when we put the roof on. We thought we had a good week to work on it. Buuuut it ended up taking a lot longer than expected to get it up. A huge rainstorm was expected that weekend. My hubby was literally up all night the night before getting the roof on & the tar paper put into place. We cut it so close! Stressful! Annnnd boy did it rain! Thank goodness our addition stayed nice & dry. Another factor to consider is the cost of heating & cooling your new addition. Will you need to upgrade your HVAC system? This could get super expensive! So think about that before you begin. We were pretty lucky. Since this was a small addition our current unit was able to handle the new addition. We haven’t seen a significant increase in our utility bills either. Yay!

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10. Another thing to think about is how this home addition will either increase or decrease your property value. Will it add value to your home? Are you planning on selling soon?

We knew going in that this addition would not add a huge value onto our home. We do not plan on moving anytime soon. So we were prepared to absorb most of the costs in exchange for having a bigger living area & more space to spread out. Our house is now the biggest home in the neighborhood. I remind my kiddos of this when they complain about our small house! ha! 🙂 Most houses in our neighborhood are 3 bedroom/2 bath/1 living area homes. Ours in now a 4 bedroom/2 bath/2 living area home. I’d like to think our home would sell faster & at a better price than other homes in the neighborhood, but I’m not going to bet on that! If you plan on selling in the next year or two I don’t think an addition would be the best route to take. Save your money for your new house. 🙂

11. Another thing to think about is how flexible you are with timing. Do you have any important life events coming up (weddings, new baby, job changes)? Do you have the time to tackle a huge project?

We are at a good time in our lives right now to tackle some bigger DIY projects. The kiddos are older. They can help out. 🙂 We don’t have any babies or toddlers crawling around. Nothing huge was going on. It was the perfect time for us to tackle a home addition.

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12. Home additions take a lot of hard work. Be sure to think about everything that will be involved. Also, think of the tedious work that will go into it. Prepare yourself for hours & hours of painting trim, all the floating & taping, painting ceilings (oh! my neck!) & running electrical wire. It will grueling at times. Buuuut you can do it! 🙂

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13. Brace yourself for the chaos & mess that comes with any big DIY project.

I did not think about this beforehand! My neat freak self had to wrap my head around it! My backyard was a huge mess. We had piles of lumber everywhere, trash & extra building supplies stacked everywhere. Not to mention the mess the house was inside! ha! We had dust everywhere. Having friends over was a bit of a challenge during the whole construction process. It’s ok, and it will get better! I promise!

14. Are you willing to ask for help if you need it?

Even though we tried to do as much as we could by ourselves, we couldn’t be afraid to ask for help if we needed it. We borrowed tools from friends. Remember the roofing/rainstorm story I told you about? Well, we had a really good friend show up early in the morning after my hubby had been up all night. He helped put the remaining tar paper on the roof just before the rain started. We so appreciated his act of service. 🙂

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15. One last thing to think about before you add an addition to your home is that you will need update your home insurance policy, & be aware that your tax assessment may be higher. So higher home insurance & taxes need to be factored into your budget.

Alright here is the before picture!

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Annnd here is the after. 🙂

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My favorite (unexpected) part is our new deck. It is surrounded on three sides by the house now, & feels so much more private. This spring we are actually adding on to the deck. It is going to go across the entire back of the house (to the right). I can’t wait. We are also going to add skirting around the bottom of the deck & house. We always try to do at least one big home improvement project a year. It is always fun to invest in your home. 🙂 You can see how I made my vertical flower garden right {HERE}.

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Here are a few pictures I snapped of the inside when we were just about done. We still needed to rehang our french doors. We took them off for some reason….I don’t remember why now! ha! 😉

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The new addition has even made a few appearance on the blog!

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Have you ever added an addition to your home? What tips would you add?
Any questions? Leave a comment below. I’d love to hear them! 🙂

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15 Things to Think About BEFORE Adding an Addition to Your Home (2024)

FAQs

What to know before adding an addition to a house? ›

Room to Grow: Everything You Need to Know About Building a Home Addition
  • Determine the Scope of Work.
  • Identify a Good Contractor.
  • Get an Architect to Draw up the Plans.
  • Set Aside the Funds.
  • Know Zoning Laws, Homeowner Association Rules, Building Codes, and Get Permits.
  • Get All the Details of Your Project in Writing.

Is it worth it to put an addition on a house? ›

A home addition lets you add square footage to your home without the stress of needing to move. The addition can make your home more functional and can even increase the resale value. For example, remodeling your kitchen, bathroom or deck can increase the home's value substantially.

How do you prepare for addition? ›

Steps To Building an Addition to a House
  1. Determine the Budget and Scope. ...
  2. Secure Funding. ...
  3. Select a General Contractor. ...
  4. Work With an Architect (Where Appropriate) ...
  5. Obtain Permits and Prepare the Site. ...
  6. Build the Foundation. ...
  7. Frame the Structure. ...
  8. Add the Sheathing and Roofing.
Nov 8, 2022

What is the first step in doing a home addition? ›

The 5 Steps for Planning a Home Addition
  1. THE 5 STEPS FOR PLANNING A HOME ADDITION. ...
  2. Step 1: Ask Yourself Why You'd Like to Add On to Your Home. ...
  3. Step 2: Determine Your Available Budget. ...
  4. Step 3: Check with Your Local Building Authority. ...
  5. Step 4: Contact a Builder, Contractor, or Architect. ...
  6. Step 5: Consider Any Oversights.
Jan 22, 2024

What are the mistakes to avoid with an addition? ›

The Top 5 Mistakes to Avoid During a Home Addition Project
  • Ignoring Proper Planning and Design: ...
  • Underestimating the Budget: ...
  • Failing to Obtain Necessary Permits: ...
  • Not Hiring a Reputable Contractor: ...
  • Neglecting to Communicate Effectively:
Mar 25, 2024

How much does it cost to add 1000 square feet to a house? ›

Based on a cost of $80 and $200 per square foot, you can expect to pay about $80,000 and $200,000 to add 1,000 square feet to your home. Is it cheaper to build a house or add an addition? Building up a two-story home can be generally cheaper than building out when constructing a new house.

What is the most expensive part of the home addition? ›

What is the most expensive part of a home addition? The foundation and framing are the most expensive materials when building a home addition.

How much does a 20x20 master suite addition cost? ›

Home addition cost per square foot

A home addition costs $125 to $250 per square foot total on average, depending on the type and features. A 20x20 room addition costs $50,000 to $100,000, including labor and materials.

How much should I spend on a home addition? ›

How much does a home addition cost? You can expect an average home addition to cost anywhere from $200 to $400 per square foot. Home additions can vary substantially depending on what you want to do to your home.

What are the four rules of addition? ›

The rules to add and subtract numbers are given below:
  • Addition of two positive numbers is always positive.
  • Addition of two negative numbers is always negative.
  • Subtraction of two positive numbers can be either positive or negative.
  • Subtraction of two negative numbers can be either positive or negative.

What is the trick of addition? ›

Grouping of addends can be changed without affecting the sum. Here, if we have three or more numbers we can choose pair of number which is more easy to add. Like it is easy to add 11 with 9 and then with 13 rather than 13 with 11 and then with 9.

What are the simple rules for addition? ›

Integer Addition Rules Chart
Type of NumbersOperationResult
Positive + PositiveAddPositive
Negative + Negative + (–)AddNegative
Positive + NegativeSubtractSign of the number with the largest absolute value
Negative + PositiveSubtractSign of the number with the largest absolute value

What to consider when adding onto a house? ›

Questions to Ask Before Adding On
  1. How would you design your house if you were building it new? ...
  2. Will the addition add value to your home? ...
  3. Is there a lower-cost way to get what you want? ...
  4. Are there any zoning restrictions to consider? ...
  5. How will your addition tie into the house?

What is a bump out addition? ›

A bump out is a subset of home additions. Specifically, it expands a single wall or section of that wall outward to create additional space in a single room. There's no hard-and-fast dividing line between a bump out and a full addition.

How long does it take to complete an addition? ›

A straightforward addition, such as a small room or a simple extension, takes three to four months from planning to completion. This includes time for obtaining permits, completing the design and architectural plans, and completing the construction work.

Is it cheaper to add on or build up? ›

In general, building up tends to be less costly than building out. When you factor in things like digging and pouring a new foundation, building out typically carries a higher price tag (though this isn't always true, and certainly depends on the size of the room and its purpose).

Do additions add value to a home? ›

Any amount of new square footage is going to add value to your home, but certain rooms are more valuable than others. You may not get 100% of your investment back after adding an addition, but you're sure to see the value of your home rise when it comes time to sell.

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