First the good news: The property was recently purchased by its present owners, who are currently undertaking a wholesale repair and conservation of the property, which was in a perilously poor condition, for residential use, to best practice standard. I could be wrong but I believe that it is now owned by Dublin Civic Trust
Below is an extract from a 2016 report relating to No 3 Henrietta Street
This building has been vacant for a number of years and does not appear to be maintained. Most of the external fabric remains, but there are obvious signs of deterioration, particularly water penetration, slipped slates and vegetation growth and arson. There is no immediate danger of collapse but the condition is such that unless urgent remedial works are carried out the building will sharply deteriorate.
Its location on Henrietta Street makes it part of one of the most important groups of Georgian townhouses to survive in Ireland. No. 3 was built in circa 1755 for Owen Wynne, MP and contains spaciously proportioned interiors with good quality plasterwork and carved woodwork. The house is held in the ownership of Marie Underwood, who has over many years repeatedly declared her aim to restore it as a museum. However, no such works have been carried out although structural stabilisation works carried out by Dublin City Council. A fire occurred in the building in October 2014 as a result of tyres being stockpiled in the basement. This building urgently requires new uses to be identified to prevent integral features being gradually lost.
A planning application is being prepared for conservation and new use following a change of ownership in 2016.