The cost to add a bedroom to a house is $150 to $500+ per square foot depending on the room size, materials, your location, and whether you're building up or out. Whether you're adding a new bathroom, guest room or a greenhouse for your extended plant family, a home addition costs between $21,000 and $73,500, or an average of $46,000. Discover average bedroom addition costs, including cost factors, labor rates, and tips to help you budget for your new bedroom addition project.
The average cost to add a bedroom is about $50,000 (250 sq.ft. master bedroom addition on the first floor). Find here detailed information about bedroom addition costs.
Get 2026 example estimates of fair costs to expand a home's first floor. Free calculator provides estimates of the midrange cost for Home Addition in your area. Input project size, options and labor preference - for an instant, no.
Calculate home extension costs including room type, size, finishes, permits, and regional labor rates to budget accurately for your renovation or addition. Estimate your home extension costs with the House Addition Cost Calculator. Get accurate pricing based on size, type, and materials used.
Need more living space? Read our handy guide to the typical bedroom extension cost, whether a single or double storey extension. Room addition cost overview Depending on the function of the room and the type of addition (i.e., bathroom or home office, bump out or full addition), the size and cost of your addition will vary. Below is a list of the most common room additions and their costs.
We'll take a closer look at each project in the next section. Learn how much it costs to add a bedroom and bathroom based on factors such as its size, labor requirements, and interior finishes.