Morgan Jones, who was twice High Sheriff of Cardiganshire, inherited the lighthouse in 1778; he raised the top of the tower by 6.7 metres (22 ft) and built an iron balcony with railings enclosing the oil-burning lantern.

4. c. 79), but not without a fight from the original owners, who wanted to protect their investment from a low takeover price.

A new cast-iron lantern, 4.25 metres (13.9 ft) in diameter, was glazed with square panes around a dioptric light with mirrors, later replaced by a lens.

On the north side of the tower there is a former external doorway exhibiting the Trinity House coat of arms, which now leads to the engine room.

The light shines at a height of 36 metres (118 ft) above the average high tide, with an intensity of 1,150,000 candelas.