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Glam Journal

How much does it cost to add a bathroom to a house?

Author

Andrew Henderson

Updated on April 07, 2026

How much does it cost to add a bathroom to a house?

Bathroom Addition Cost. The average cost to add a bathroom addition to an existing space is $7,600 with some homeowners paying as little as $2,500. The cost to build a new bathroom addition to your house will cost around $22,000 on average, or $47,000 to $87,000 on the high-end.

What’s the average cost of an addition to a house?

If you add plumbing for a kitchen or bathroom or it is a two-story addition, your costs can be higher. The average cost of a 500 sq.ft. addition is around $100,000. An addition of this size offers many possibilities. You can add a single large space for expanding open floor plans.

How much does it cost to add a laundry room?

Laundry rooms cost between $5,000 and $8,000 on average for an addition. The average laundry room is only around 35 square feet, making this more of a bump out than a full addition. Laundry rooms need to be waterproof and usually include cabinetry or storage along with the appliances. Mudroom additions range from $10,000 to $14,000.

How much does it cost to draw up a house plan?

The cost to draw up house plans for an addition runs anywhere between $1,200 and $1,500 when adding approximately 1,000 sq. ft. Whether the price is on the high end or the low end depends on the addition.

How much to remodel a bathroom on average?

2019 Bathroom Remodeling Costs in Phoenix, AZ According to Manta: $3,342 is the minimum cost you can expect to pay for a bathroom remodel $8,902 is the average price you can expect to pay for bathroom remodels $16,263 is the highest cost to remodel a bathroom

How much does it cost to completely remodel a bathroom?

Average Cost of a Bathroom Remodel. According to the National Kitchen and Bath Association (NKBA), the average cost to remodel a bathroom is $11,364, whereas Remodeling Magazine estimates a mid-range renovation at $18,546.

How much to spend renovating a bathroom?

The HIA’s Kitchens and Bathrooms Report 2018/19 found that most people tend to spend between $16,000 and $20,000 on the job – that includes everything from tradies’ fees to tiles and fittings.

How much does a bathroom add to home value?

Beds and Baths. If you have more bedrooms than bathrooms in your home, adding a bathroom will increase your home’s value by a larger percentage. The homebuilders’ study found that in a home with one bathroom, adding a half bathroom increased the home’s value by 11.5 percent for a two-bedroom home, 12 percent for a three-bedroom home…