South Island Lighthouse — Inis Oírr [Inisheer]

Detached three-bay single-storey lighthouse-keeper's house with loft storey, built 1858, one of pair at South Island Lighthouse complex. Pitched slate roof with skylights to front slope, concrete copings to gables, ashlar limestone chimneystacks with copings, an ashlar limestone corbels to eaves supporting cast-iron rainwater goods. Ashlar limestone walls with plinth and having raised limestone surrounds to square-headed door and window openings, except loft windows which have flush surrounds. Eight-over-eight pane timber sliding sash windows to main walls and three-over-three pane to loft windows, with cut limestone sills. Timber battened doors with stone step each and plain overlight. Lower lean-to single-bay flanking annexes have similar detailing to main house, with timber battened doors in front and back walls. Yard to rear of house bounded by dressed and rubble limestone walls. Houses and lighthouse set sub-rectangular compound having high boundary wall of mortared rubble limestone.