Installing a bathroom in a basement costs more than installing a bathroom above ground. Costs can range from $2,500 to $5,000 on average, depending on the number of fixtures and whether the plumbing must be installed from scratch or if it’s roughed in already. Basement plumbing requires special considerations to ensure proper drainage and tie-in with the main sewer line, which may not be deep enough to allow the basement bathroom plumbing to use gravity the way above-ground plumbing does. Virgil Miranda’s Construction subcontracts all plumbing work. Miranda says that sometimes the toilet alone in a basement can cost up to $2,500 because sometimes homeowners need to invest in a toilet that does not use gravity but instead a macerating function to grind waste down to prevent clogging. Miranda estimates that each bathroom fixture in a basement costs $800–$900 on average, so a full, three-piece bath could cost $3,000 for the fixtures alone. Adding a kitchenette or wet bar sink adds more to overall refinishing costs. In addition, some basements require a French drain with one or more sump pumps, which can cost up to $10,000 on average, depending on how much ground the drain covers.
If you are going for a movie screening room, then go with a dark neutral, or simply go dark. You want the walls to recede and you don’t want a lot of glare from your projection equipment or tv. Make sure to use a flat paint and paint the ceiling in a dark neutral to prevent light from bouncing around and creating glares. For a classic, old world move theater feeling, go with a rich burgundy or deep navy.
Wall finishing systems are rapidly gaining in popularity. These systems feature fiberglass panels and pieces of trim that fit into PVC framing. Panels covered in fabric offer an attractive finished appearance to the basement without the work of drywall taping and painting. Advantages include durability, moisture- and fire-resistance and the ability to remove panels for access to water pipes and electrical wiring.
This plush basement home theater features a comfortable and stylish lounge seats, classic wall lights, black patterned carpet flooring, dark gray walls and patterned red ceiling; where guests’ movie room experience is elegantly superb. Home theater ideas such as this can be the perfect way to utilize a basement to transform it to a room the entire family can enjoy.
While decorative concrete may cost more than some other types of flooring, its proponents point to the long life expectancy of this material. Even cracks in the floor can be considered an attractive rustic feature as long as they do not reflect structural problems. Those concerned by the slippery nature of high-gloss sealers can add a non-slip additive to sealer or stain before application.
Many new homes are built with an unfinished basement. This saves money up front in construction costs and gives a family the opportunity to grow into their home. A lot of people choose to finish their basement in order to add living space for entertaining guests or as a hangout area. No matter what the reason, finishing a basement can come with a considerable price tag. However, it's generally a good investment as a basement remodel fetches 80% to 90% of its investment cost at resale. 
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