From Longman Dictionary of Contemporary Englishsell up phrasal verb British EnglishSELLto sell most of what you own, especially your house or your business Liz decided to sell up and move abroad. → sell→ See Verb table
Examples from the Corpus
sell up• Why don't we sell up and move to Canada? Property is really cheap there!• My parents sold up the farm and went to live in Glasgow.From Longman Business Dictionarysell up phrasal verb [intransitive] British EnglishFINANCE to sell almost everything you own, especially your home or businessHe resigned his job, sold up and bought air tickets for all the family. → sell→ See Verb table 