Shantobar, Ballinalee, Co. Longford (-145k, -51.7%)

Was 280k
(Daft ad claims 295,950 though)

Now 135k

“Beautiful 4 Bed semi detached residence situated in this attractive village development. The property is finished to a very high standard and comes with generous Rural Renewal Tax incentives to the owner occupier.”

As seen on the Ghost Estates thread