John Lewyn was an English master mason of the late 14th century, responsible for major works at

Durham Cathedral Durham Cathedral, formally the , is a Church of England cathedral in the city of Durham, England. The cathedral is the seat of the bishop of Durham and is the Mother Church#Cathedral, mother church of the diocese of Durham. It also contains the ...

Durham Castle Durham Castle is a Norman castle in the city of Durham, England, which has been occupied since 1837 by University College, Durham after its previous role as the residence of the Bishops of Durham. Designated since 1986 as a cultural World Heri ...

Carlisle Castle Carlisle Castle is a stone keep medieval fortress located in the city of Carlisle near the ruins of Hadrian's Wall. First built during the reign of William II in 1092 and rebuilt in stone under Henry I in 1122, the castle is over 930 yea ...

, Bolton Castle and Dunstanburgh Castle. He was considered the pre-eminent master mason of that time in the north of England. Lewyn vaulted the Prior's Kitchen at Durham with star vaulting.

References

14th-century English architects Architects from County Durham {{England-architect-stub