The 203K allows the following, per HUD's website.
The homeowner can use the 203(k) program to finance such items as painting, room additions, decks and other items even if the home does not need any other improvements. All health, safety and energy conservation items must be addressed prior to completing general home improvements.
B. Cost of Rehabilitation. Expenses eligible to be included in the cost of rehabilitation are materials, labor, contingency reserve, overhead and construction profit, up to six (6) months of mortgage payments, plus expenses related to the rehabilitation such as permits, fees, inspection fees by a qualified home inspector, licenses and consultant and/or architectural/engineering fees. The cost of rehabilitation may also include the supplemental origination fee which the mortgagor is permitted to pay when the mortgage involves insurance of advances, and the discounts which the mortgagor will pay on that portion of the mortgage proceeds allocated to the rehabilitation.