Can we de-dupe on the Name, first line of address and postcode in SQL SERVER !!

Hi Friends I have 7K records in my Table. the Columns are ID, Name, Address 1 , Address 2, Address 3, postcode. 

how can we de-dupe on the name , Address 1 and postcode Can you please advise me  How can we write SQ query for this requirement I will grateful to you. 

I Need to delete Same name and same postcode rerecordss!!!