When buying a home in NH you rtypical costs are $495 for the closing/title company that includes searching teh deed and conducting the closing. In NH there is a transfer tax in whohc the buyer pays $7.50 per thousand of the sales price and the seller pays $7.50 per thousand dollars of the sales price. If your bank or mortgage company is charging points, each point is 1% of teh mortgage amount. There are assorted fees of recoring the deed and currier fees that are usually $100. A good round number on average is closing costs are 3% of the sales price. Your loan officer should and is required to give you a good faith estimate of closing costs when you apply for your loan.
good luck with your purchase