First, we are not lawyers and our advice is not strictly legal advice. Second, decide what is most important in how you proceed. If you pursue legal action to recover your additional costs prior to closing you may end up back where you started, without the house or the money.
Quietly talk to an attorney and consider waiting until the sale is complete for any further action. If the amount is small enough, you can take them to small claims court without incurring additional expenses.
I'm guessing, since you would have been advised by them on this.
Did you both, (Seller and Buyer) mark the boxes provided for Arbitration and Mediation?
You would have been advised on this too.
Actually recovering these attorney fees might be an additional cost to you unfortunately. Your attorney should be able to give you a cost estimate for what it would take to get "recovery of fees". I'm not an attorney, but I do know that getting "justice" can be costly. Check with your attorney for advice and cost estimates prior to making a final decision. Ideally the attorney fees would be reimbursed to you from escrow out of the seller proceeds of the sale of the home.
And good luck with your new home! cj email@example.com