Copyright 2020 Dahl & Wahlen Construction Co LTD. Just finish the walls... Drywall, paint and carpet can go a long way on improving the look of your basement. It’s the cheapest option but gets you so much more livable space. You can add furniture as needed. The room you already have. Adding sq. ft. without pouring a new foundation is the smartest way to expand your usable space, lower your energy bills, and help a unused portion of your house become a beautiful addition to your home. Protect your investment.  A Basement Watchdog (TM) is a battery backup pump, that in the event of a power failure, will still allow water to be pumped from your drain tile pit. This will help insure your finished basement is not ruined from water damage. Improve whats there...  Built in cabinets add richness to your basement. This basement add-on was less than $25,000 with cabinets, wall unit cabinets, granite countertops, appliances, lighting and labor. It is now the gathering place for every evening. A built in wall unit with flat screen was positioned across the room. Basements on any budget Location: Aurora, IL Looking to add sq. ft. for additional income, this basement was a new design. added: Kitchen Full bathroom with shower. Flat screen television over fireplace in the family room. Large bedroom with music room and walk in closet.