How Much Does It Cost To Build Up On A House?


mentioned by
as seen on

When planning to expand your living space a common question poised is: “how much does it cost to build up on a house?


There are many components to consider such as planning design and construction costs.

The entire pricing formula might seem complex and overwhelming.

Nevertheless an understanding of these costs is essential for the proper budgeting and smooth completion of your project.

Is it possible to make a cost-effective decision?

How Much Does It Cost To Build Up On A House

Table of Contents

How Much Does It Cost To Add A Second Story?

Adding a second story to a house can be a significant but beneficial investment. On a national average construction costs for second-story additions range from $100-$300 per sq.

ft. Therefore the total expense can swing anywhere from $80000 to $600000 or more.

In major cities like Houston Los Angeles Seattle and Denver these costs can escalate due to local labor costs and compliance with different building codes. For instance in Los Angeles a full second story addition could cost between $550000 to $1000000 while a partial second story addition might range from $165000 to $300000.

It is important to note that these are rough estimates and the actual costs can vary significantly based on various factors like the size and complexity of the project design choices and material costs. To streamline the budget obtaining multiple quotes from contractors using a contractor search site can give a more transparent estimate and a better comparison of market prices.

Factors To Consider With A Second Story Addition

Adding a second story involves careful planning and consideration. Aside from cost factors homeowners must look at the structure’s existing footprint and assess whether their current foundation can bear the weight of an additional story.

RELATED:  Labor Cost To Build A Pole Barn

Engaging a structural engineer is necessary to ensure foundation support and structural soundness.

Determining how the addition will flow with the existing structure is crucial. This includes planning for an indoor or outdoor staircase and accommodating space for HVAC systems.

Navigating building code requirements and zoning laws is another critical aspect to consider. Moreover DIY tasks may lead to potential DIY risks and sometimes may not save money as anticipated.

Therefore hiring professionals is recommended.

Another factor to contemplate is living space and occupancy during construction. Depending on the scale of the project some homeowners might need to move out during the construction process or arrange temporary housing adding to the cost and inconvenience.

Data shows that adding a second story can increase the home’s value by 20-30% and provide a 65% return on investment making it a worthy consideration despite the high prices and patience it demands.

Types Of Second-Story Additions

There are three types of second-story additions: full-story addition partial addition and bonus room addition.

A full story addition involves adding a complete second floor to the house which increases living space and sometimes doubles the size of the home.

A partial addition as the name suggests only adds a new story above specific parts of the house providing much needed extra rooms such as bedrooms or bathrooms.

The bonus room addition on the other hand specifically targets the expansion of a single room like a bedroom or a storage space.

The choice among these types should largely be influenced by particular needs the structure’s existing footprint and the budget.

RELATED:  Residential Driveway Bridge Cost

Diy A Second Addition

While considering a DIY approach for a second addition might be tempting it comes with its DIY risks. Several factors make it a complex and potentially risky undertaking for anyone without extensive experience in construction and knowledge of local building codes.

Involvement of specific tasks like foundation reinforcement plumbing electrical HVAC system installation and staircase addition require skilled labor. DIYing these tasks could lead to potentially costly mistakes.

Moreover a structural weight of the addition needs to be accurately calculated to ensure structural soundness. Generally for a task like a second addition hiring professionals is advisable.

Additionally complying with the building code requirements understanding zoning laws and managing subcontractors are other complexities associated with a home addition.

Moving out during the construction process especially for full additions is necessary to ensure safety and avoid project delays. Thus patience and time are vital requisites for anyone considering a DIY second addition.

Time To Add A Second Story

Adding a second story to a house can quickly increase its living and storage space. However it’s a significant project and needs considerable planning and budgeting.

Let’s explore some of the considerations and cost factors.

Typically building up falls into three categories: full story addition partial addition or bonus room addition. In major areas like Los Angeles Seattle Denver or Houston the expense can be notably high going up to $550000 to $1000000 for a full second story.

However despite the high prices adding a second story can provide a 65% return on investment and improve your home’s curb appeal.

Labour potential foundation support addition’s size and shape quality of materials adding a staircase and new or extended heating and cooling systems are some cost factors. Needless to say it’s a significant investment ranging from $300 to $500 per square foot.

RELATED:  Is Jacksonville Nc A Good Place To Live?

But to save money you may consider choosing a modular addition or opting for standard finishes.

While DIY tasks can also save on the budget the DIY risks are high with second-story additions. Professional contractor hiring although contributing to the cost ensures quality work and compliance with local building codes and zoning laws.

Architectural plans engineering and construction materials – all contribute to the overall cost and must be factored into your budget.

Building a second story also poses challenges like weight-bearing and the requirement to add a permanent staircase. A structural engineer can evaluate the structure’s existing footprint and provide advice on the necessary foundation upgrades.

Another consideration is whether the house’s existing HVAC system can handle the additional square footage or whether a separate or whole-house system installation is needed.

A realistic timeline for your project and clear communication with your general contractor can keep you on budget and minimise headaches. From a builder’s perspective supply chain issues and lack of transparency can also create a hassle.

Thus budget-friendly yet efficient solutions are paramount to a successful project.

Using standard finishes being flexible with the design and simplifying the layout can cut down costs. Alternatively you can investigate low inventory and cheaper housing options.

It’s essential to look at the project from all sides balancing the sentiment attachment to your current home with the practicality of costs and timeline.

Leave a Comment