Category:Grade I listed buildings in Wales

• Grade I listed castles in Wales‎ (1 C, 49 P)
• Grade I listed cathedrals in Wales‎ (1 C, 6 P)
• Grade I listed houses in Wales‎ (15 P)
• Grade I listed pubs in Wales‎ (1 P)
• Grade I listed bridges in Wales‎ (17 P)
• Grade I listed churches in Wales‎ (18 C)

A

• Grade I listed buildings in Anglesey‎ (1 C, 8 P)

B

• Grade I listed buildings in Bridgend County Borough‎ (1 C, 3 P)

C

• Grade I listed buildings in Caerphilly County Borough‎ (3 P)
• Grade I listed buildings in Cardiff‎ (1 C, 13 P)
• Grade I listed buildings in Carmarthenshire‎ (1 C, 13 P)
• Grade I listed buildings in Ceredigion‎ (1 C, 7 P)
• Grade I listed buildings in Conwy County Borough‎ (1 C, 17 P)

D

• Grade I listed buildings in Denbighshire‎ (1 C, 13 P)

F

• Grade I listed buildings in Flintshire‎ (1 C, 14 P)

G

• Grade I listed buildings in Gwynedd‎ (1 C, 20 P)

M

• Grade I listed buildings in Merthyr Tydfil County Borough‎ (2 P)
• Grade I listed buildings in Monmouthshire‎ (2 C, 20 P)

N

• Grade I listed buildings in Neath Port Talbot‎ (1 C, 3 P)
• Grade I listed buildings in Newport, Wales‎ (1 C, 4 P)

P

• Grade I listed buildings in Pembrokeshire‎ (2 C, 29 P)
• Grade I listed buildings in Powys‎ (1 C, 27 P)

R

• Grade I listed buildings in Rhondda Cynon Taf‎ (3 P)

S

• Grade I listed buildings in Swansea‎ (1 C, 7 P)

T

• Grade I listed buildings in Torfaen‎ (2 P)

V

• Grade I listed buildings in the Vale of Glamorgan‎ (1 C, 13 P)

W

• Grade I listed buildings in Wrexham County Borough‎ (1 C, 8 P)