0 written abbreviation for subject to contract: used especially in connection with the sale of property to show that an agreement has been reached but no formal contract (= legal document) has been signed:
The sold STC stage is a common part of the property sale process in most of the UK.
Sold "Subject to Contract" (STC) or "Under Offer" (UO) means that the homeowner has accepted an offer from a buyer but no contract has been signed.
You can still enquire about a Sold STC property as the sale is not complete until the signed contracts are exchanged.