In 1979 to 1985 Portstewart experienced a housing boom thanks to a type of finance called co ownership. Dunsuivnish and Seahaven were both constructed on the back of it . Solid fuel central heating was the big selling point ! ( coal) . Here are some pictures of the article from the chronicle at the time opening the show house with Mr Dermot Gordon, Mr Frank Farrell and Mr John Mooney the site foreman. The deposit was £750! to include lawyer and mortgage reg fees.