“the dwelling is currently vacant and is in the ownership of the NIHE..”

The BBC reports that a Northern Ireland judge’s former home is on the market after he was forced to leave it due to threats from republican paramilitaries. From the report

Mr Justice Treacy’s house in Donegall Park Avenue has been bought under the Housing Executive’s Special Purchase of Evacuated Dwellings (Sped) scheme. It is now listed for sale with a Belfast estate agent for £650,000. In September, a pipe bomb found close to the house was made safe by Army experts. Two controlled explosions were carried out on the device, found in Waterloo Park, off the Antrim Road. The bomb was found on the same day Justice Treacy jailed three men involved in a plot to kill police officers with a mortar bomb in Lurgan, County Armagh, in April 2007.

Adds As Nevin mentions in the comments, this follows the sudden resignation of the recently appointed governor of Maghaberry prison amid reported concerns about his security.