Convent of Mercy, Doon, Co. Limerick

It is a quiet piece of architectural sleight of hand on a building that has, over time, absorbed several different identities into one H-shaped footprint.

The structure began as a house, built around 1810 and possibly known as Doon House, a detached ten-bay building on three storeys arranged around a central block with projecting end bays. Its transformation into a convent came in 1865, and the fabric of the old house was folded into the new institutional building rather than replaced. A seven-bay three-storey extension was added to the west, fronted by its own gabled porch, and a chapel was appended to the east elevation, its round-headed windows fitted with stained glass and render hoodmouldings, the curved dressing above an opening that helps shed water and adds a touch of formality. The porches themselves carry a restrained classical vocabulary, with Doric-style pilasters, the plain fluted columns borrowed from ancient Greek architecture, framing round-headed doorways with fanlights and panelled timber doors. Render quoins mark the corners, and a render parapet on the main porch is finished with a cross finial, a small but pointed reminder of the building's later religious purpose. The whole roof is hipped and slated, with a bracketed eaves course in render and cast-iron rainwater goods still doing their original job.

Not everything has survived unaltered; some of the original one-over-one pane timber sliding sash windows remain, but others have been replaced with uPVC, a change common to buildings of this age that nonetheless slightly dulls the texture of the façade. Even so, the building's original character holds, helped by its lined-and-ruled rendered walls and a plinth course running along the base. It sits as part of a wider group of related buildings, with a school immediately to the east, suggesting the convent was conceived not as an isolated institution but as one element in a small campus of religious and educational life.