Before using this basement remodeling calculator, understand that its pricing is based on a few basic assumptions about your floor. The calculator is assuming that you’re starting with a concrete floor in an unfinished basement. Anything beyond that, including removal of old flooring materials, is not taken into account in this estimate. You should keep this in mind.
Nationwide, basement remodeling costs average $52,931-$74,974 for a project which includes a 20x30-foot entertaining area with wet bar, a 5-x-8-foot full bath, 24 feet of partition to enclose a mechanical area, painted walls, ceilings and trim throughout, exterior insulation, doors and electrical wiring, according to the annual cost vs. value report by Hanley Wood[2] .
Even if you do not use an online tool, plan extensively beforehand as to exactly what you plan to do. What color will the wall be? Will you put in any art? What flooring style will you go for? If your budget allows, you can consult an interior designer for recommendations. One advantage of such planning is that it allows you to set out a budget that you can work within, ensuring that you are not caught short of cash in the middle of your project.
In most cases, your HVAC system should already extend to the basement. If not, however, plan on running additional ducts or vents to ensure the finished rooms are adequately heated. Running new ductwork through your basement will cost around $2,000. Radiant heat is another option for basements, as it can be controlled separately and used only when the basement is. Radiant heat costs around $6,000 - $14,000 depending on the method used.
A remodeled basement gives you additional living space without changing the footprint 1 of your home. Basements can be remodeled to become in home theaters, children’s playrooms, entertainment areas, and family game rooms. Because the steps to finish the basement are similar for most of these purposes, you can gain a lot of additional space and use from your home simply by finishing this area.
First, what are you using your basement for? This will greatly determine what finish you give the basement. A living area needs to feel warm and cozy, a bedroom needs to have a quiet and relaxing finish and a game room needs some exciting colors. There are plenty of websites offering basement finishing ideas you can borrow. We have our own list below that you can use as a starting point. Find a style that pleases you and adapt it to fit your finished basement.
Sometimes a finished basement floor makes the bottom stair a little too shallow, throwing off the whole run. Tom Silva's fix: Measure the rise of each step. If any are shorter than 7 inches, you can remove the treads and add spacers to pad them out as you go up. Just keep heights below code maximum, and make sure they don't differ in height by more than ⅜ inch.
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.
Homeowners wishing to enclose basement appliances should take note of air-supply requirements for both the furnace and water heater, which are powered by electricity or natural gas, oil or propane. Fuel-burning appliances use room air for combustion and require an unrestricted air supply. Any enclosure requires installation of a louvered door between living areas and the furnace room to ensure an adequate air supply and ventilation in your basement. Without sufficient air, a house may fill with dangerous gases, including carbon monoxide or radon.
The approximate costs and value of a typical Basement Remodeling project are summarized below. Use higher estimates for larger metropolitan areas and the lower estimates where home prices are below the national average. Adjust costs for substitutions or refinements in the last section. For size differences of up to 25%, scale total costs in direct proportion to the size of your project. Use the adjusted costs as a basis for setting a material budget and for comparing contractor bids (if you choose to have a professional perform the work).

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If you decide to go with a pony wall, you may be able to handle the project yourself (saving money). However, if you’re going to expand your house and need to install weight-bearing walls, you’re better off leaving it to the pros. Additionally, you or your pro will need to investigate building codes and local requirements to ensure you comply with structural guidelines.
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