Your foundation should be inspected prior to finishing your basement. You dont want to cover up any structural damage that would be identified in an inspection by installing framing and drywall. If items such as pipes have rust, the problem may be humidity instead of a leak, but it can be just as damaging. Waterproofing the basement and using a dehumidifier helps reduce dampness and the risk of mold development.
You've finally decided to do something with that empty basement space. That's half the battle right there. So what do you consider first? The number one thing to start planning your basement is what will it be used for? Do you just want a large finished space to add square footage, do you need more bedrooms, or do you want that great "play" space with a bar and pool table? Addressing what function you want the basement to provide is the foundation for how you will proceed. Some of the considerations which may affect what you do with your space are: Budget - Do this first, figure out the most you can afford to spend, then create a design that includes everything you want. After you get bids, and material costs, you can add or subtract things to meet your budget.
After deciding on your basement paint you can start brainstorming basement decorating ideas. Looking at basement designs pictures will help you design your basement and make it feel homier. When finishing basement there are a few important things to consider such as basement insulation, waterproofing, and framing. Waterproofing a basement is extremely important to prevent your basement from flooding; nobody wants to come home to a wet basement. To ensure maximum protection against flooding it is important to do both interior basement waterproofing as well as exterior basement waterproofing. There are many different basement waterproofing products on the market so it is important to do some research to find the best one.
Leave the plastic there for a couple of weeks. Then check it for droplets of moisture, the kind of condensation you might find beading up on the outside of a glass of cold lemonade on a summer day. If the droplets collected on the outside of the plastic that means that the moisture is generated from inside your basement. But if they have collected like dew on the inside of the plastic, that means the dampness is coming through the walls or floor from the outside.
Since this basement is not entirely underground - it includes a walk-out entrance on one side -- new egress windows bring natural light into the basement. A simple Roman shade in fun fabric softens the space and brings all the colors of the room together. Egress windows provide an emergency exit; most building codes require one in every bedroom and in habitable basements. Adding one will likely increase the value of a home, as it provides safety, natural light, and increased airflow.