Whole House Renovation Costs For the average 2,500 square foot home, a whole home renovation costs anywhere from $15,000 to $200,000. To break that range down a little further: Low end: $15,000-$45,000. Includes inexpensive updates like trim, paint, landscaping, inexpensive flooring and counters. Thereof, is it cheaper to remodel or build a new house? Choose Between Better or Cheaper Even a wide-ranging whole- house remodel will still be cheaper than tearing down and building anew. According to Roger Greenwald, RA, AIA, "the cost of tearing down and rebuilding will be about 20 percent higher than engaging in an extensive whole- house remodel . Similarly, in what order should you renovate a house? Order : Gut the entire property (if needed), plumbing/electrical, walls, paint, fixtures, flooring, final clean/touch up, rent or sell Likewise, how much should you spend on renovations? Typically, you can expect to spend at least $100 to $200 per square foot on any r...