Will my house lose value if I convert the garage?

Author: Jarred Friesen  |  Last update: Wednesday, October 29, 2025

“Garage conversions are not a good idea for resale value,” says Realtor Adam Aguilar. “In fact, it is detrimental to the value, not only for you, but for the buyer's lender as well. Even if the buyer thinks it holds value, the lender will tell them differently.”

Does converting garage decrease value?

Generally, a well-designed garage conversion can increase your property value by 10%-20%. If you add a bedroom with an ensuite, this will typically see the property value increase the most. A home office or living area will see less increase, but could still be a good investment.

Is it a good idea to convert your garage?

Whether or not converting your garage is a good idea can depend on whether you're planning to stay in your home or want to sell soon. If you have no plans to move anytime in the near future, converting your garage into a more livable space can certainly add a great deal of personal enjoyment to your home.

Does renovating a garage increase home value?

It is estimated that a functional and finished garage can add $5,000-$25,000 worth of value to a house in California. According to Remodeling Magazine, a detached two-car garage costs about $50,000 to build and recoups nearly 65% at resale.

Does not having a garage devalue your house?

In my experience, garage conversions typically do not add value to a home. Right off the bat, a large handful of buyers will not even be interested in the property if it does not have a garage. Therefore, the seller is missing out on about 60% of the potential buyers.

Does Garage Conversion Devalue Your House

How does a garage affect the appraisal?

The size of the garage greatly affects its appraisal value. Larger garages typically add more value to a home due to the additional space for vehicles or storage. For instance, a two-car garage will generally be appraised higher than a single-car garage because it offers more space and functionality.

What are the disadvantages of having a garage?

Disadvantages of a garage:
  • A lot of space and money needed: The crucial requirement is that you have the necessary space on your property – especially if you are thinking of building a double garage. ...
  • Consent required: All garages require planning consent. ...
  • Risk of damp: Many garages have no heating and poor ventilation.

Does enclosing a garage add value?

As long as you complete your garage conversion properly, it will add value to your home. The value itself depends on how seamless the conversion is and the type of room you build. Typically, you can expect to recoup about 80% of the project cost. But your home can lose value if you ignore three key factors.

Does a finished garage count as square footage?

A garage, however, might be counted toward the total square footage if it has been finished and made livable. In order to comply with local construction laws and requirements, the garage must be modified.

Do I need permission to convert my garage?

Planning permission for a garage conversion is not necessary in many cases, although it is always best to double check with your local authority first. Most integral garage conversions fall under Permitted Development which means there is no need to make a planning application.

Can I legally convert my garage into a room?

Since California has passed the new ADU laws this year, usable rooms like garage conversions can be used as a source of passive income. Even if you're only planning on converting the garage to an additional bedroom or home office, permits will be needed for residential construction.

What is the average garage conversion?

Total Costs

On average, you should expect to pay between £5,000 to £10,000 for a simple garage conversion. This rises to between £12,000 to £30,000 for a double garage conversion. It's a good idea to budget between £625 and £1,250 per square metre.

What is the downside of a garage conversion?

Con: Loss of Storage Space

Many homeowners use their garage for additional storage, so before you make the decision to alter the space, make sure you have a plan for your storage needs. Better yet, downsize your possessions for a little more breathing room throughout your home.

What is the cheapest way to convert a garage to a living space?

Typically, the cheapest type of garage conversion will just involve blocking up the garage doors and finishing out the walls, floors, and ceiling with insulation, drywall, carpet, or other flooring material.

Should I get rid of my garage?

They can be great for storage, help you to keep your car safe and even lower your car insurance premiums. But depending on your setup, removing your garage could also help you to gain other benefits – whether that's to do with increasing the size of your garden or gaining more living space.

What decreases property value the most?

10 Surprising Things That Decrease Property Value
  • Bad Neighbors. ...
  • Poor Exterior Paint Quality. ...
  • Deferred Maintenance. ...
  • Neighborhood Foreclosures. ...
  • Proximity to Certain Facilities and Businesses. ...
  • An Unsightly Yard. ...
  • The Address Suffix. ...
  • Too Much Personalization.

Is 2024 a good time to renovate?

The remodeling market in 2024 is poised to remain strong. While the market saw a temporary slowdown in 2023 due to rising interest rates and economic uncertainty, 2024 is expected to stabilize with homeowners regaining confidence.

How to increase home value by $50,000?

Adding $50K in Value to Your Home: Top Strategies for Sellers
  1. Curb Appeal Matters. First impressions count. ...
  2. Upgrade the Kitchen. The kitchen is often the heart of the home. ...
  3. Bathroom Remodel. Bathrooms also hold great value. ...
  4. Energy Efficiency Improvements. ...
  5. Fresh Paint and Flooring. ...
  6. Professional Staging. ...
  7. Proper Pricing Strategy.

Is it worth converting a garage?

In a word, yes.

However you decide to use the garage, you'll be gaining valuable extra living space for your home. The great thing about a garage conversion is that it is generally less expensive and quicker to complete than building a house extension.

Is it cheaper to convert a garage or to build an addition?

Garage Conversion Costs are Generally Lower

Your overall cost depends on a lot of factors, including the materials you choose and your specific aims for the conversion, but generally speaking, a garage conversion will cost less than building a new freestanding ADU because some of the structure is already in place.

Do you have to raise the floor in a garage conversion?

It depends on your intentions. If you plan on permitting this as habitable and condition, then yes, the floor height has to be raised and match the finished floor height of the house. But, if your just going to make this a recreational room you do not have to raise the floor.

Does garage affect home value?

A garage can add between 5% to 20% to a home's value, depending on factors such as location, design and the existing housing market. This increase can be especially significant in suburban areas where parking space is a premium.

What is worth more a bedroom or a garage?

If you're looking to maximize your home's value, consider converting your garage into a livable space. Adding a bedroom, home office, or even a rental unit can significantly boost your home's market value. While this is a more substantial investment, the payoff can be substantial.

How much does not having a garage devalue your house?

Having a garage will nearly always help you sell more quickly and likely at a higher value than a home without one. The bottom line, buying a home with a garage won't hurt your investment plans (unless it's a mess and falling down!) and will likely help you sell with a higher future value.

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