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Popular Types Of House Additions – Forbes Home

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If you’re like most people, you spend more time in your home than anywhere else. So if there’s something about your home that isn’t quite right, it can become problematic. Often, this happens in an area that doesn’t have quite enough space to meet your needs.

No one wants to deal with nuisances like bottlenecks or awkward, tight spaces in their most common gathering places. Or maybe you moved into a home you love but have outgrown over the years, and could really use another bedroom. Luckily, these problems can be solved by house additions.

If there’s a bit of bad news in this, it’s that you’ll be facing a pretty large expense no matter what type of house addition you choose. Here, we’ll take a look at some of the most popular house additions, like adding onto a house or converting existing space to better meet your needs.

Add a New Room

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Whether you’ve moved into a home you love that’s just a bit too small, or you’ve outgrown your existing space, adding a new room is a great way to customize your home to your exact needs. But, this type of renovation comes with some major considerations.

First, you want to avoid over-customizing your home. You may want a bedroom right off the living room, but would anyone else? When it comes time to sell your home, it needs to be situated in a way that speaks to potential buyers.

Secondly, consider your home’s value in relation to other homes in your neighborhood. If it’s already valued on the high side, you’ll want to avoid a huge renovation that could push your price tag much higher. If your price point is at the top, you could realize less return on your investment.

If you’re thinking of adding a room to a house, here are some of the more popular house additions to consider.

Extra Bedroom

Got more kiddos than rooms? It’s an issue that a lot of American families face as the overall cost of a single-family home continues to rise. If you’re in need of an additional bedroom, you’ve probably got a few options to consider in order to score some extra space in your existing home.

However, keep in mind that adding a room to a house requires not only a building permit, but also permission from your homeowner’s association if your home is governed by one. The average price of adding a 12×12 bedroom is around $12,000 to $22,000 (or $100 to $150 per square foot) once a foundation and roofing are added.

Bathroom

Another room many homeowners desire more of is the bathroom. It’s ideal when each bedroom has its own bathroom, plus a half or vanity bathroom in the main living space for guests to use.

If you’re in need of another bathroom, know that this may seem like one of the smaller house additions upfront. But in reality, you can ring up costs pretty quickly due to extensive plumbing requirements.

The average cost to add a bathroom to a home is between $18,000 and $47,000. Huge variations exist for the size of your chosen bathroom, its proximity to existing plumbing and the materials and fixtures you choose.

A spa-like bathroom off the primary bedroom with marble flooring and walls, granite countertops, high-end fixtures and a walk-in closet can easily cost in excess of $80,000. Luckily, adding a bathroom typically offers a decent return on investment: You can expect to recoup about half of your expenses when you sell your home.

Bump Out

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If you’re not excited about shelling out tens of thousands of dollars for a substantial addition to your home, you’re certainly not alone. The cost of adding onto a house can be prohibitive. But if it’s just a small amount of extra space you’re looking for, consider a bump out.

Sometimes called a micro addition, a bump out is typically between two and 15 feet. Any more than that, and you’ll have to pay extra to include support beams and concrete footings, making your bump out more like a conventional house addition.

If such a small addition doesn’t seem worth it at first, consider that 2 or 3 square feet is enough to accommodate a dining room table or add a center island to a cramped kitchen.

For a two-foot bump out, you can expect to pay as little as $5,000 or as much as $30,000, depending on the size of the existing room. A bump-out that provides only 10 square feet might be on the lower side of the spectrum, while a two-foot bump out on a 30-foot kitchen that requires existing plumbing to be moved can easily cost $30,000.

Sunroom or Four-Season Room

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Enjoy the sunrise and sunset from the comfort of your home when you add a sunroom. These bright, open spaces are typically appended to the back or side of a house and are not temperature controlled by the home’s existing HVAC system. That helps a sunroom be one of the more affordable house additions.

Of course, a sunroom can be made into a four-season room by adding heating and cooling.

The price range for a sunroom is $100 to $350 per square foot. If you’d like to add a 100-square-foot sunroom to your home, you can expect to pay between $15,000 and $35,000. On the other end of the spectrum, a vast, temperature-controlled four-season room can cost upwards of $80,000 to $125,000.

Garage Conversion

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For additional square footage without the enormous bill, many homeowners look to a part of their home that’s perfect for optimizing into brand new interior space—their garage.

Sure, your car, lots of kids’ toys and your partner’s tools might get kicked to the curb, but a garage is the perfect blank slate for adding much-needed square footage to your home without paying for a full addition.

The price range of converting or renovating a garage is $5,900 to $22,000, with an average cost hovering right around $14,000.

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Bottom Line

When it comes to adding a room to a house by using the garage, the good news is that you can make it just about anything you’d like: an in-law suite, extra living space, a game room and extra bedrooms are all popular ways to utilize former garage space.

The bad news? You’ll have to pay to have the space insulated, and you’ll have to add heating/cooling and potentially even plumbing to your new space. These additions will drive up the price tag of your house addition, but the convenience of using space you already have might be worth it.

There are several ways to add a room to a house. It comes down to your budget and your desire for additional space; how you’ll use it, where it should be located and whether it needs to be converted or newly added.

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Ideas And Photos For Inspiration

Need more room, but don’t want to move? You may be considering a home addition as a way to get the extra space you need without giving up your beloved home or neighborhood. If so, you certainly aren’t alone, as home additions and extensions increased 52% in 2020 compared to the year prior, according to Houzz. 

Do any of these scenarios sound familiar?

  • You’re working remotely and need a real home office instead of the dining room table.
  • After cooking and eating more meals at home you’ve decided you deserve a bigger kitchen.
  • You want a home gym that’s such a cool place to go that you’ll keep working out.
  • With new family members living under the roof, you need to expand to protect everyone’s sanity.

Whatever your motivation, here are seven ingenious home addition ideas guaranteed to get your creative juices flowing and supply that last injection of inspiration you need to start researching reliable remodeling contractors. 

(Credit: @jordandesignbuildgroup via Instagram)

Why not take advantage of the perks of living in a beautiful setting? This stunning two-story sunroom addition in Vienna, Virginia grew out of the homeowners’ desire to take in the forest views surrounding their home, while adding more space. Once Jordan Design-Build Group dug a little deeper into their client’s ultimate goals, it became evident that this would be a multi-step process that required both interior and exterior work. 

(Credit: @jordandesignbuildgroup via Instagram)

The result was a new 1,000-square-foot-plus addition sporting 10-foot high ceilings and framed floor-to-ceiling, wall-to-wall windows that give the homeowners a year-round view of the gorgeous exterior landscape. New elements of the addition included expansion of the existing dining room, a new dish room that connects the existing breakfast nook to the new sunroom, plus a new outdoor portico and new roof to seamlessly integrate the old and new structures. They also added a conditioned lower level with his and her workrooms and storage areas.

Pro Tip: Clear a safe path for remodeling and protect your belongings by having a portable storage container delivered to your driveway. 

(Credit: Renovations Unlimited via Facebook)

2.

GETTING TO WORK: A NEW HOME OFFICE ON TOP OF THE GARAGE

Additions on historic homes can be hard to pull off, especially in a cohesive way that makes the addition appear as though it was always a part of the house. Luckily, Grove City, Ohio’s Renovations Unlimited were up for the challenge. When the homeowners of a historic 1920s home decided they wanted to add a flex office space above their garage, Renovations Unlimited got to work on a second-floor addition on top of the home’s existing flat-topped garage. 

Materials were specially selected to match the addition to the rest of the home.
(Credit: Renovations Unlimited via Facebook)

In order to make sure the addition appeared as original as possible, the team had to carefully select their materials and match existing detailing such as the diamond grids on the windows. The addition was also designed as an A-frame to match the home’s existing architecture detail — which helped to create a built-in storage area inside, an added character detail for the home office. They also included a low-rise built-in bookcase along one of the walls as well as a small room with a large wet bar and cabinet storage hidden behind a set of glass French doors. When you’ve got an office space like this just steps away, it’s bound to make going to work a lot more enjoyable.

Recognition: 2020 Regional CotY Award Winner, Residential Addition $100,000 to $250,000, National Association of the Remodeling Industry (NARI)

(Credit: @rrbuild_design via Instagram)

3. TRANSFORMATION INSPIRATION: FROM DECK TO HOME GYM 

Why have your home gym in the garage when it can be a dedicated bright and sunny space built to inspire? With this addition to a previous addition, R&R Build and Design in Carrollton, Georgia proves you only need a sliver of space to create a gorgeous and functional place to workout. These homeowners were looking for a dedicated spot where they could do cardio and lightweight workouts but didn’t want to use up any of the existing space in their home.  

(Credit: @rrbuild_design via Instagram)

The solution? Transforming part of a previous outdoor deck addition into a purpose-built home gym. They achieved this by enclosing part of the deck and installing floor-to-ceiling windows so the homeowners wouldn’t have to sacrifice the views. They also added style by outfitting the room with a Cypress tongue and groove ceiling, which can (surprisingly!) sometimes cost less than drywall and gives the space a much more polished look and feel. 

Recognition: 2020 National/Regional CotY Award Winner, Residential Addition Under $100,000, National Association of the Remodeling Industry (NARI) 

(Credit: Bluestem Remodeling via Facebook)

4. A PERFECT RECIPE: A KITCHEN BUMP-OUT THAT CREATES MORE SPACE

When a family of five in Minnesota’s Twin Cities realized there wasn’t enough room for all the cooks in the kitchen, they asked Bluestem Remodeling to help them find a solution. However, it turned out to be a challenging project since there wasn’t much available existing space to work with — and they were on a tight budget tied to a home improvement loan from the local government.  

The team created additional space by opening up the kitchen/dining room wall.
(Credit: Bluestem Remodeling via Facebook)

The kitchen was essentially boxed in between outside walls, an interior set of stairs, and the dining room wall. The team navigated several roadblocks to work through logistical and budgetary constraints before remodeling the space into a too-good-to-be-true cottage kitchen that has left the homeowners pinching themselves. By placing a small 3-by-12-foot bump-out addition along an exterior wall, they were able to create more space in the actual kitchen itself, while knocking down and replacing the dining room-adjacent wall opened the space up even more. Here, they also installed an eat-in counter with cabinet storage. 

In order to cut down on costs, they considered building the addition on piers instead of the foundation and were thoughtful about alternative features and finishes, like using honed black granite for their countertops which mimics the look of more expensive soapstone. The design also planned ahead and took the possible future addition of a mudroom into consideration.

(Credit: NJW Construction via Facebook)

5. THE ALL-IN-ONE UTILITY ROOM: AN ON-DEMAND FAMILY COMMAND CENTER

Even the biggest of homes don’t always come with the space for everything you need. Such was the case in a 3,000-square-foot home in Carroll, Ohio. A small but functional addition was added to give a single mom, her three kids, and their two pets their missing family command center — a dedicated space where everyone in the family could enter the house, get dogs ready for walks, and do laundry. The addition needed to match the style and character of the house, a 1922 Dutch Colonial Revival.

(Credit: NJW Construction via Facebook)

NJW Construction created an exterior cover with a portico-style roof to match the exterior of the home. Inside the addition blended seamlessly with white wall panels, floating storage cubbies, and pull-out storage drawers underneath two bench seats. They installed a space-saving, stackable washer/dryer combo and placed hooks on the wall for jackets and leashes. 

Recognition: 2019 National CotY Award Winner, Residential Addition Under $100,000, National Association of the Remodeling Industry (NARI)

(Credit: @mwconstruction via Instagram)

6. OUTSIDE IN: AN INSIDE/OUTSIDE OPEN CONCEPT KITCHEN ADDITION 

Who says that an addition has to be a closed off room? Marks-Woods Construction Services certainly doesn’t — and their open concept addition to a home in Falls Church, Virginia proves it. This gorgeous kitchen addition not only expanded the cooking space, but it literally opened up the kitchen by adding a screened-in dining and deck area. 

(Credit: Marks-Woods Construction Services via Facebook)

This simple but beautiful A-frame second-floor space is accessible off the kitchen through sliding glass doors and features a wooden bench, wooden dining table, hanging egg chair, and a small stool with a TV. The space is screened in on all three open sides making it perfect for entertaining and lounging any time of day or year. Being an open-air space, the focus is on natural light, though this open concept addition is illuminated by a single ceiling fan light, a few light strings, and light from the kitchen once the sun goes down. The result is a low-key, casual, and stylish space that brings the outside in. 

Pro Tip: Home renovation projects can be a major disruption. Whether you’ll be staying in your home or living somewhere else temporarily, it’s important to create a plan. For help, see our advice for Surviving the Chaos of Remodeling. 

(Credit: Tabor Design Build)

7. A LITTLE BIT OLD, A LITTLE BIT NEW: A FULL SECOND STORY ADDITION

Sometimes one-room additions just aren’t enough to create the space a homeowner needs. When you need a lot more space, it’s worth considering a large-scale addition over the cost of buying an entirely new home, especially if you already love the home or location you’re in. When a merging family in Silver Spring, Maryland desired an entire second story addition, Tabor Design Build, Inc. was up for the task. 

(Credit: Tabor Design Build)

It seems the remodel of this split-level home included everything but a kitchen sink. In addition to a new entry way and new living room, they also added a TV/game room for the kids, two bedrooms, and a bathroom — plus a remodel of the master bedroom. They even made it solar-friendly. So, how much did this second story addition cost? Would you believe us if we told it was all done for under $250,000? It’s true, and they’ve got an award to prove it. 

Recognition: 2019 Regional CotY Award Winner, Residential Addition $100,000 to $250,000, National Association of the Remodeling Industry (NARI)

Feeling inspired? Conjuring up a new space can be fun, but don’t get so lost in the creativity that you forget some of the basics. We’ve got a handy home remodeling checklist that will help you stay on track from prep to that celebratory glass of Prosecco.  

Based in Los Angeles, Katherine Alex Beaven is a freelance writer and a frequent contributor to the PODS blog. She has moved 20+ times because she loves to experience new places.

Frame extension to the house: step by step instructions and recommendations | Informational articles from the company Yuzhny Dom | rostdomik.ru

Over time, residents of a private house are faced with the need to increase the living space of the building. The most economical and technologically simple solution to this problem are frame extensions. Structures of this type allow the use of various types of foundations and can be combined with both wooden houses and buildings made of brick or foam blocks.

Interfacing with the main building

Regardless of the specifics of the design and the state of the foundation of the house, the difference in pressure that the extension and the existing building create on the ground can lead to their mutual displacement. Due to this feature, architects categorically do not recommend rigidly connecting two bases to each other. During construction, it is more expedient to use a movable contact zone, for the organization of which two beams are mounted on the wall of the main building, between which a third one is inserted, which is an element of the extension itself. This version of the tongue-and-groove connection makes it possible to level the mutual displacement of the two structures.

A similar problem arises when installing the roof of an extension. In this case, the rafters at one end are joined to the upper trim of the frame, and at the other end they are connected to the existing rafters of the main house. At the same time, the crate is superimposed in such a way that the rafter junction area is located between the details of the crate. As a roofing, materials with a certain margin of flexibility are used – soft tiles, corrugated board with a small wave height or similar.

Foundation installation

The situation when, during the construction of an extension, it turns out to use the foundation laid for the main house, is a rare exception. Most often, for new structures, a new foundation has to be erected. Ideally, builders recommend forming a new foundation, identical to the existing one in configuration and depth. This approach minimizes possible subsequent deformations of the two parts of the dwelling. However, in some cases it is not possible to ensure full compliance. In such situations, it is mandatory to use the so-called. an expansion joint, which, in combination with a movable joint, will make it possible to compensate for possible displacements of the two structures.

Installing the tie bar

After preparing a new foundation, a strapping is laid along its perimeter, the recommended width of which for the domestic climate is 150 mm or more. This size is associated with the need for subsequent installation of a multiple-width insulation. When erecting a deliberately non-residential extension, it is allowed to reduce the dimensions of the timber to 100 mm.

Frame assembly

The most important part of this stage is the installation of vertical racks. They are recommended to be installed in increments of 60 cm, which corresponds to the width of typical mineral insulation boards. This approach makes it possible to simplify subsequent work and use building materials with a minimum of scraps.

Installation begins with the installation of corner posts, the dimensions of which are also recommended to be selected from 150 mm or more. This makes it possible to pre-determine the safety margin of the entire structure. When installing corner elements, it is strictly necessary to constantly check the building level. After assembling the first racks, the rest are built up between them, taking into account the width of the panels of heat-insulating material.

Top rail assembly

The installation of the upper trim is carried out similarly to the installation of the lower one. At the same time, it is permissible to extend the beams beyond the crown to a distance of up to 30 cm. Upon completion of the assembly, a crate is sewn onto the upper crown, which will play the role of a supporting frame for the roof. On top of it, in turn, any rolled insulating material (roofing felt, parchment, etc.) is laid, which provides additional insulation of the room in case of a roof leak.

Rafter system assembly

In the event that the construction of an extension does not involve re-laying the entire roof, the organization of a shed roof becomes the most economical and technologically simple solution. This configuration is compatible with almost any existing roof, including the most complex designs with broken shapes. Rafters on one side are installed under the slope of an existing roof, and on the other side they are laid on the top trim of the extension. For additional rigidity, they are fixed with metal corners.

The most important task at this stage is to maintain the angle of inclination of the rafters. If it is violated, the slope will begin to bend in the horizontal plane, which will lead to an uneven load on the bearing parts.

Roof sheathing

When distributing roofing material along the crate, it is necessary to ensure that at the top of the slope it goes under the sheets of an existing roof. To ensure this, it may be necessary to temporarily remove the bottom row of cladding and fasteners on the house.

When choosing a roofing material for an extension, it is recommended to proceed similarly to the design of the foundation and dwell on the material that is as close as possible to that which the house is already covered with, while remembering the need for a flexible connection at the junction of the main structure and the object under construction.

Wall and floor insulation

Upon completion of work on the roof, the installation of floors in the extension begins. At the preparatory stage, a rough floor is laid, the material for which is usually used semi-edged boards. Insulation plates are laid out on the resulting plane and lined with a rolled insulating coating. After that, the surface is leveled and a finishing coating is mounted on it. Walls and roofs are insulated according to similar schemes. After the outer cladding layer, a rolled wind protection is laid out, after which the space between the vertical posts is filled in layers with sheet insulation. In this case, an important factor is the displacement of subsequent rows of plates relative to the previous layer. This configuration avoids cold bridges formed at the joints.

Upon completion of the installation, the insulation from the inside of the wall is tightened with a rolled vapor barrier, after which the base is sewn for a fine finish (drywall, OSB or other similar materials).

Insulation plates are sewn onto the crate of the ceiling using self-tapping screws, after which they are also covered with a finishing material.

An important factor determining the success of frame construction is the mandatory drying of all lumber, as well as fire and bioprotection treatment. In addition, it is necessary to carry out calculations in advance of all sizes (window openings, door groups, etc.) and constantly check with building level indicators during installation. Compliance with these requirements will not only greatly facilitate the work on the extension, but also provide confidence in its reliability.

An extension to a log house: options and nuances of construction

Implementation of an extension to a log house allows you to get additional functional premises – a kitchen, a garage, a workshop, a pantry, a living room. It is most reasonable to do this from the same material as the house itself, that is, from profiled timber. As an alternative with several benefits, it is worth considering a frame extension.

Appointment of an extension to a log house

First of all, it is necessary to decide how and for what the additional space will be used. It can be either one large functional room, or several. In the second case, you will also need to consider the layout – the location and size of the premises, entrance and interior doors, windows.

According to its purpose, an extension to a house made of timber can become:

  • a bedroom;
  • additional kitchen;
  • pantry;
  • garage;
  • workshop;
  • closed veranda.

Among other things, an extension to a log house can become a convenient and compact sauna. But this will require taking into account slightly different building codes and safety rules.

Foundation for an extension to the house from a bar

If possible, it is better to tie the foundation for the extension physically to the foundation of the house. To do this is not so difficult from a technical point of view, however, with this implementation there will be fewer problems in the future.

Most often, no heavy foundations are made for extensions, since the construction is wooden and small, respectively, not heavy. This is especially true for projects where walls are built using frame technology. Everything is perfect here, from piles to slabs. The best option is a monolithic tape.

Calculation and formation of the foundation for the extension is carried out taking into account the dimensions, wall material, roof configuration. When laying the foundation, absolutely the same technologies and materials are used as in the construction of residential buildings.

Timber extension walls

The key to building a timber extension is shrinkage, which must be taken into account. The problem is solved quite simply. The stacked timber is not tied rigidly to the walls of the house. For temporary, but reliable fixation, special steel plates or conventional staples can be used. Due to them, as the timber shrinks, it will be able to gradually lower, leaving no gaps and without dragging the walls of the house behind it.

At the end of the shrinkage period, a better connection to the main building is carried out.

The timber extension walls are assembled in the same way as building a house. The same connections, fasteners and seals are used. When arranging window and door openings, again, do not forget about shrinkage. For the construction of “warm” walls, a bar with a thickness of 150 mm or 100 mm with insulation from the inside is used. For an unheated extension – the most inexpensive.

Frame walls of an extension to a timber house

Frame extension is slightly more profitable than timber walls for a number of reasons. First, it does not shrink. Second, it’s cheaper. Thirdly, it builds faster. And so that the extension does not stand out visually against the background of a log house, it is simply sheathed with imitation or other similar material.

The technology for assembling the frame and filling the wall cake is standard. The following layers go from outside to inside:

  1. External cladding on the crate.
  2. Wind protection.
  3. Insulation.
  4. Vapor barrier.
  5. Interior decoration.

Depending on the purpose of the extension, the appropriate insulation thickness is selected.

Timber extension roof

Extension roof can be of two main types – separate and common. The second option, when a new design is combined with a capital one, is extremely rare due to implementation difficulties. But a separate roof, as a rule, shed – this is the best option.

As roofing material is used, if possible, the same as on the main roof of the house.