In an action to recover damages for breach of contract, the defendant appeals from a judgment of the Supreme Court, Nassau County (O’Connell, J.), dated October 11, 1995, which, after a nonjury trial, is in favor of the plaintiff and against it in the principal sum of $71,060.
Ordered that the judgment is reversed, on the law, with costs, and the complaint is dismissed.
It is fundamental to the law of damages that one complaining of injury has the burden of proving the extent of the harm suffered (see, Berley Indus. v City of New York, 45 NY2d 683, 686; Haughey v Belmont Quadrangle Drilling Corp., 284 NY 136; Palsgraf v Long Is. R. R. Co., 248 NY 339; see also, J. R. Loftus, Inc. v White, 85 NY2d 874, 877; Manshul Constr. Corp. v Dormitory Auth., 79 AD2d 383, 389). Thus, a plaintiff is required to sustain his or her burden to demonstrate actual damages (see, J. R. Loftus, Inc. v White, supra, at 874; Ashton v McLenithan, 224 AD2d 749; Davis v Mutual of Omaha Ins. Co., 167 AD2d 714). In order to be entitled to a verdict, or a judgment for damages for breach of contract, the plaintiff must lay a basis for a reasonable estimate of the extent of his harm (see, 5 Corbin, Contracts § 1020, at 124).
In the instant case, the Supreme Court erroneously shifted the burden of proving damages to the defendant. On this record, there was insufficient evidence to compute the plaintiff’s