Initially built from wood, the fort was eventually rebuilt in stone.
By 150, the towers and the bases had been rebuilt in stone.
The church was rebuilt in stone around 1490, and the tower built at this time is still present.
The town was rebuilt in stone rather than timber at least twice over the next 150 years.
Over the next 14 years the king spent at least £2,630 on rebuilding the castle in stone.
The upper story of the building was rebuilt in stone.
I've been trying to convince Mother to rebuild in stone.
At about the same time, the present upper ward of the castle was rebuilt in stone.
Then, in the 12th or 13th century, it was rebuilt in stone.
The castle was extensively rebuilt in stone during the early 13th century.