New Mill, Newbridge Street, Birr, Co. Offaly

What catches the eye is not scale alone but the deliberate contrast built into its recent conversion: old stonework left bare and unadorned beside new glass balconies and a timber stairwell, the two fabrics kept legible rather than blended into a false unity. It is the kind of renovation that lets a building keep telling its own history rather than smoothing it over.

The mill dates to around 1820, a period when watercourses like the River Camcor, which runs along the building's south side, were harnessed across Ireland for industrial power. The limestone walls are dressed with tooled stone quoins, the cut cornerstones that reinforced a building's edges and, here, add a note of formality to what was fundamentally a working structure. Yellow brick appears throughout as a decorative and structural device: it surrounds the replacement windows along with voussoirs, the wedge-shaped bricks that form the curve of an arch, and it frames the square-headed main door in the same manner. On the south elevation, a segmental-arched opening, again outlined in yellow brick, has been quietly repurposed as a window, a small clue to how the building's function has shifted over two centuries from grain or textile processing to residential use. The mill now holds apartments, but the conversion preserved rather than replaced its original materials, meaning the limestone, the quoins and much of the brickwork visible today are the same fabric that defined the building in the 1820s.

Set back from the road behind a car park, the building presents its long, regular bay rhythm to the street while the Camcor runs close along its southern flank, a reminder that the river was once the point of the whole enterprise rather than incidental scenery. The pitched slate roof, finished with terracotta ridge tiles, caps the structure in a manner typical of the period, plain enough not to compete with the patterned brickwork below.