Sometimes the house you have loved living in for donkey’s years becomes too small. Your family has become bigger and the kids can no longer share a bedroom. Whatever house additions costs you face, you can’t put off the need for additional space any longer. It is a case of a move to a bigger place or an add on.

Expanding your home doesn’t just mean more living space it also means happier and more comfortable families, it means higher resale values ​​for your property. But not all remodels that add space have a positive effect on the property – some, in fact, are downright damaging to the value of your home.

There are 2 basic types of addition to thinking of – the attached to the side type of your current house addition and on top of a one-story home addition.

House additions costs – Adding a 2nd story

House additions costs - Adding a 2nd story

If you can empower yourself for this long and expensive project, a level addition will pay you many times more: financially and emotionally. Creating an addition is the only true way to “create space.” Except for building upwards, almost any other way to create space involves redistributing the existing space.

The average house additions costs for adding a second story will be in the region of $100 to $300 per square foot. When people start looking at building up instead of sideways onto their current home, they are more likely to be putting a number of rooms on top of their existing home.

This starts getting a bit more expensive because if you are planning a bathroom then plumbing will have to be brought into the new addition as well as a staircase from the bottom floor up to the top.

Adding a second floor to your house can cost between $100 and $300 per square foot. But here again, much depends on the materials you are using and the complexity of the home addition project. Adding a floor with an area of 800 square feet will cost about $160,000.

The main advantage of building a second floor is that it can often be less expensive than extending the first floor.

Lack of space is causing issues

How you wish for added space because having one bathroom too is causing everyone to be late for work and school. What additions do you think you most need? Another bedroom, another bathroom, a laundry room, a study, or a bigger kitchen? House additions costs can become expensive but so can be moving house. House additions costs are always going to be cheaper than moving.

House additions costs – A Huge range of Costs with Building an Addition

House additions costs - A Huge range of Costs with Building an Addition

There is a huge range of costs associated with building an addition, and the national range can be anything between $20,000 – $100,000. You want the home addition to looking attractive. You do not want the cheapest design aspect on your home that does not match your home. You want affordability and quality.

The general criterion when we talk about house additions costs is that the design costs between 10 percent and 17 percent of the final costs. This means that you will pay roughly between $5 and $10 for around 250 square foot addition costing $50,000, but this will vary according to the plan.

Bump Outs

Many people can’t afford a full room and they consider a bump-out. This is not a whole new room but rather making an existing room such as your kitchen or bathroom larger. So in other words, you are getting more square footage. Bump-outs are a cost-effective choice for additions, so when you are on a bit of a budget, a bump out is a perfect choice.


An addition to a home does not just stop there. There are other costs that many people do not even think about. You will need permits to show that your home addition is not going to go over what it should.

Inspections will be done to ensure that the electrical and plumbing work has been done to code and that no rules have been broken. A room addition permit can cost in the region of $200 to $600 on average.

House additions costs – dependent on where the addition is added

House additions costs are something that can’t be answered pat off as there are many aspects to take into account. There are always going to be other costs per square foot for any home addition depending also on where you choose to add on the addition. Of course, there will be some more involved projects that will cost more, while the more simple additions will cost less.

The room type you add will impact the cost as well. Some people just want a room with windows. Others want cupboards and possibly even a hand-wash basin added into an ordinary bedroom. There are all kinds of details that people want to be added in that make addition more or less expensive than the average cost.

Laundry room addition

Look at a laundry room as an example. Many people want this kind of room added to an old house as they’re sick and tired of ironing boards and laundry lying around in bedrooms waiting to be attended to. A laundry room isn’t a big room and is roughly about 35 square feet in size so in effect it is often referred to as a bump-out as opposed to a new addition.

You will need a  window, electric outlets, a laundry basin for the washing machine to rinse water, and possibly shelves for soaps and softeners. When you consider adding a laundry room to your home, you are possibly looking at a cost of about $7 000.

Bathroom additions vary greatly

Which house can’t benefit from another toilet and hand-wash basin or full bathroom addition? You know what it is like – there is always someone in the bathroom when you want to use it.

Adding a new bathroom to your home is guaranteed to make it go up in value substantially and to add a whole lot of wonderful functionality to your home.  Because of what’s included in a bathroom remodel project, such as the plumbing, many people assume it is just going to cost too much.

House additions costs when it is adding another bathroom are not as expensive as what you think. The cost to add a bathroom addition to your home can vary. Maybe you already have a room in your house that you want to convert into a bathroom and then you might be looking at an investment of $4 000.

If however, you have to first add on a room, then you could be looking at a cost of $30 000. You can easily spend far more, but it depends on what you want in your bathroom.

That is why it is important to get a quote that takes all the specifications into account. You may want just a toilet, shower, and basin or you may want all that and more.

When you are adding just a basin, shower, and toilet, you can actually add a small bathroom like this anywhere, even in some closet space you no longer use. Some master bedrooms are huge, and you may even be able to partition off some of the large space for your new bathroom.

Before you consider a new bathroom, there are always tips to help you spend less. Know exactly what you want and if you have limited space, think in terms of sliding doors instead of doors that swing-out. Maybe you want to consider revamping a current dingy bathroom that you have. Certainly, this is a far more affordable option than adding an entirely new bathroom.

Costs are another factor to consider. True, a bathroom can be added affordably, but there are always ways to cut costs even further while adding house additions costs like this.

Bathroom additions include everything from the floors to the walls, sink, toilet, shower, and possibly a bathtub too. That is why you can’t say for certain what your bathroom costs can be because it can be as little as $3 000 or as much as $50 000.

Modular home additions – quality and affordability

Modular home additions – quality and affordability

There comes a time when the space you have available at home just does not cut it anymore. Things are pretty expensive and modular house additions costs are a serious consideration.

With modular home additions, you get a lot more for a lot less than were you to opt for a regular building addition.

House additions cost the modular way is going to be cheaper because, for starters, a lot of the construction is done off-site. When they are ready, the rooms are transported to your place and set in place.

These modular rooms are a great alternative to a traditional type of home. They are cost-effective and after being transported to your place, a builder assembles them. It is an effective way to build additions for your house when you need it done quickly.

Modular house additions costs are in the region of $65 to $200 per square foot. Nothing is set in stone because much depends on the size of the room and the extension complexity. Average modular room addition costs roughly between $11,000 and $20,000.

Prices for these modular room additions are much the same nationwide, but there may well be regional design differences in keeping with the building codes of your particular area.

Financing is always an issue for homeowners, and it becomes more of an issue with some manufactured homes. They may not be as plentiful as standard home loans, but they are available.

The most popular modular home addition is the type that is attached to the side of a home. You can add on as many rooms as you like, so long as it meets the criteria set forth by the local zoning and building authorities. Adding on a second floor onto an existing home is a more costly, involved process.

Brick additions

Brick is always a good choice for a house addition as brick maintains its value. The average cost to add a room to your home is $46,269. Costs will vary depending on the type of addition you do as well as what labor you have. On average, face brick will cost you about $6 – 10.50 per square foot installed. Generally, you can expect to pay about $500-600 for 1,000 bricks. Did you know that the color of bricks also impacts its price?

If you are wanting a regular brick addition to your home that consists of a basic room with all the necessities such as windows, window sills, electrical wiring, then you may be looking at house additions costs of roughly $85 and $205 per square foot.

As always, nothing is set in stone,  and it is actually impossible to figure the exact cost of adding a room to a house. You have to know the size of the room and add in the costs of everything you want to build into it. Some people try to get a more accurate reading with the help of a home addition cost calculator. Calculating by square footage is fairly accurate.

An expert builder can guide you

House addition costs will depend on the way the addition is done and the needs of the homeowner.  There are many factors that come into play when calculating the cost of a home addition project.

As the homeowner, you need to have a picture in terms of how the completed addition will look, but in the end, the builder will be able to guide you as to how many square feet can actually be added to give you your extra space that will make your living conditions that much easier.

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