Plot Plans / Site Plans For Permits

The Complete Cost of Changing a Roof Line

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The Complete Cost of Changing a Roof Line

Is your home starting to feel small? Has your family outgrown your current one? Maybe you have an elderly parent you would like to live with you but don’t have enough space available. Maybe you could just use more storage but don’t have space outside to build a storage shed.

Is moving your only option? The very thought might even make your head spin.

What if you remodeled your home instead? Even if you don’t have space on the ground, you can raise the roof to add a full or partial story to your home. Let’s take a look at the cost to raise a roof. 

Are you interested in adding a pool or extending your driveway? Check out MySitePlan for an affordable site plan.

Reasons for Changing the Roof Line or Raising the Roof

old home with roof falling apart

First of all, let’s look at why people choose to raise the roof or change the roofline. Common reasons include:

  • The home doesn’t meet your family’s needs, but you still love the location
  • Remodeling the home would be cheaper than moving (i.e. realtor fees to sell, moving expenses, etc.)
  • You want to add your own unique character to the home
  • The home’s low slope or flat roof is having problems with leaks

There are a few different methods for raising the roof. You might raise the entire roof to add another story or expand on your attic space. You can change the pitch of the roof for aesthetic purposes or to avoid leaks. Finally, you can add interesting elements like dormer windows (which also creates a little more usable space) to add a unique touch to the home.

Related: 10 LANDSCAPE IDEAS TO TRANSFORM YOUR YARD

The Cost to Raise a Roof and ROI

Let’s start with the cost of raising the entire roof. You may do this to add a new story or simply raise the ceiling. Some older homes have 7-foot ceilings and today’s typical ceilings around between 9 and 12 feet. 

Obviously, it will cost more to add a whole new story, but let’s give you some estimates to work with.

Costs of Planning and Permits to Raise a Roof

Even though you own your home, you’ll still need a permit to raise the roof. This is to ensure that the work is planned and completed to meet safety and structural regulations. You’ll need:

  • To have an engineer or architect draw up plans for the new walls: $250-$700
  • To create a site plan detailing the changes that you can submit to your local building or development department, and possibly your HOA for approval: $99-$159
  • A building permit. The cost will vary depending on what the permit covers: $450-$1500

Once you have secured your permits, the work can begin. It starts with removing the old roof.

If your current roof is newer or still in really good shape you may be able to save some of the materials. This will cost more to remove but will lower your new construction costs.

  • Remove the roof and dispose of it $4-$7 per square foot
  • Remove the roof and preserve materials for reuse $6-$12 per square foot

The home is now exposed to the elements so the new walls must go up quickly. Plan to spend $14-$22 per square foot. Any elements such as chimneys, vents, and stacks must be extended as well. 

Then the new roof goes on and the new exterior walls get siding $15.00-$18.00 per square foot.

Cost of Finishing the Interior

The cost of finishing the interior will depend on how fancy you want to get. Basic drywall is cheaper than adding windows or decorative elements. Plan on $5-$16 per square foot.

After all this, what’s your ROI? If you’re raising the roof just to heighten your ceiling, you’ll get a fairly low ROI of around 47%-53%. If you’re adding a new story, expect an ROI of around 70%, depending on how you finish it. For example, a guest apartment gets a higher ROI than a bonus room.

 person holding a stack of hundred dollar bills

The Cost and ROI to Increase the Pitch of Your Roof 

Increasing the pitch of your roof incurs many of the same costs. Here’s a quick breakdown:

  • Engineer or architect fees: $250-$500
  • Site plan: $99-$159
  • Building permit: $450-$1,000
  • Remove the old roof: $5-$8 per square foot
  • Extend gable walls: $14-$22 per square foot
  • Build the new roof structure: $16-$22 per square foot
  • Install new roof and siding: $15-$18 per square foot
  • Finish the interior of the gable walls: $5-$16 per square foot

Increasing the pitch does wonders for improving the aesthetic of a boring, flat-roofed home. It also improves the home’s structure and reduces the potential for leaks. However, overall the ROI isn’t that amazing. Expect only around 50%-54% for a project like this.

Are you thinking about remodeling your home? First, you need to get a floor plan before getting a permit. Contact us for a custom quote! 

The Cost and ROI of Dormer Windows

Adding dormer windows is an excellent way to create more usable space without raising the entire roof. This is most practical when you already have a small attic that you can extend out with dormers and create a kid’s play area or small office with lots of natural light. 

The project is less extensive, helping to keep the costs down. You’ll still need plans from an engineer or architect $250-$500 and the building permit $450-$1,000.

Aside from that calculate:

  • Removing the portion of the roof and cutting the roof deck: $3-$4 per square foot
  • Framing the dormer: $19-$32 per square foot
  • Installing the siding and new roof: $15-$20 per square foot 
  • Finishing the inside: $50-$110 

While dormers are less expensive overall and add some usable space, which is better for ROI, it doesn’t add much. The ROI for this project is still quite modest at around 52%-58%.

Related: 10 BACKYARD PLANS YOU WILL LOVE

modern home with outdoor lamps turned on

MySitePlan Can Help with Building Permits

Ready to get started on your project? MySitePlan can help you get the site plan you need to submit to your building department to get the go-ahead for your project and keep your cost to raise a roof low. 

Our service is fast (you’ll get a plan for review within 24 hours!) and comes with guaranteed acceptance. Just ensure that your building department doesn’t require that the plan is drafted by a surveyor, engineer or architect as our plans are uncertified. Contact us today to get started!

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  • Annie Rosellini
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