Halvorsen boatshed Industrial site Boatshed where Halvorsen launches, cruisers and yachts were built at Putney for most of the twentieth century. Name Alternate Putney Marina {"name":"Alternate","target":"","target_text":"Putney Marina","date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null} Type Industrial site {"name":"Industrial site","target":"","target_text":null,"date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null}