For many children, autism is complicated by medical conditions, biological issues and symptoms that are not exclusive to autism. Children with other disorders, such as Articulation Disorder, Apraxia, Seizures, GI problems, etc. might require some of the same therapies.
These figures assume no underfloor plumbing work and basic materials. Installing plumbing underneath concrete and/or choosing high-end materials will dramatically increase costs. 1  A relatively conservative estimate for installing a Â¾ or full bathroom in a basement is $8,000 to $12,000.2  Installing a Â½ bath in the basement might cost as little as $5,000.hese figures assume no underfloor plumbing work and basic materials. Installing plumbing underneath concrete and/or choosing high-end materials will dramatically increase costs. 1  A relatively conservative estimate for installing a Â¾ or full bathroom in a basement is $8,000 to $12,000.
For basements under 800 square feet, the average cost per square foot increases if you have a bathroom in the design. Recent examples I have seen include, an 800 square foot basement with bathroom, recreation room, and two bedrooms with a basic professional finish, $38,300.00 (from a lower priced company).