There isn't a hard fast rule for what counts as an improvement vs. a repair. If the above costs were undertaken in order to ready the property to a sell-able state, then they could be classified as an improvement.
See below for guidance.
https://turbotax.intuit.com/tax-tools/tax-tips/Home-Ownership/Home-Improvements-and-Your-Taxes/INF12...
http://www.dbbllc.com/newsletters/focus/mar2012/irs-clarifies-capital-improvement-vs-repair-expense