Adding a room can be a noisy experience something to consider if you work from home , and you'll want to plan for any contingency. If you're expanding More Info and remodeling your kitchen, think about how you'll prepare meals or if you'll be eating out a lot. You might need to kennel your pets if the construction noise is too much for them. Elizabeth M. #8211; Would definitely recommend the company they were fast and professional. Mark was very insightful and always had great advice. We expanded adding 800 sq ft addition. The work was superb and has added so much value to our home. Thank you Similarly, a new 3rd story addition added to your 2 story home will need a stair which will similarly require some level of renovation to your existing home. You may want to include a rear yard deck or a roof deck or a pilot house. These additional costs will be important to reserve in your budget and are not included here in the square footage for additions calculations.