# Grade I listed buildings in Anglesey

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In the United Kingdom, the term listed building refers to a building or other structure officially designated as being of special architectural, historical, or cultural significance; Grade I structures are those considered to be "buildings of exceptional interest". Listing was begun by a provision in the Town and Country Planning Act 1947. Once listed, strict limitations are imposed on the modifications allowed to a building's structure or fittings. In Wales, the authority for listing under the Planning (Listed Buildings and Conservation Areas) Act 1990 rests with Cadw.

## Buildings

| Name | Location Grid Ref. Geo-coordinates | Date Listed | Function | Notes | Reference Number | Image |
| St Mary's Church and churchyard walls, Tal-y-llyn | Aberffraw SH3666572869 53°13′40″N 4°26′54″W﻿ / ﻿53.227674666797°N 4.4483181416486°W﻿ / 53.227674666797; -4.4483181416486﻿ (St Mary's Church and churchyard walls, Tal-y-llyn) | 5 April 1971 | Church | In an isolated location at the E side of a country lane c. 4.25km NE of Aberffraw and c. 3.75km SW of Gwalchmai; the chapel lies within an enclosed circular churchyard. | 5275 | See more images |
| St Eilian's Church | Llaneilian SH4697892897 53°24′38″N 4°18′13″W﻿ / ﻿53.410633389101°N 4.303636237527°W﻿ / 53.410633389101; -4.303636237527﻿ (St Eilian's Church) | 12 May 1970 | Church | In Llaneilian village, set in a large rectangular churchyard with stone boundary walls and two sets of gates to south and west. | 5363 | See more images |
| St Mary's Church, Llanfair-yng-Nghornwy | Cylch-y-Garn SH3272290847 53°23′16″N 4°31′01″W﻿ / ﻿53.387887107158°N 4.5168083840824°W﻿ / 53.387887107158; -4.5168083840824﻿ (St Mary's Church, Llanfair-yng-Nghornwy) | 12 May 1970 | Church | Reached by a trackway and set back, within a sub-rectangular churchyard, from the NW side of the road at the SE end of the village of Llanfair-yng-Nghornwy. | 5380 | See more images |
| St Cybi's Church | Holyhead SH2471482620 53°18′41″N 4°37′57″W﻿ / ﻿53.31141170422°N 4.6325287593125°W﻿ / 53.31141170422; -4.6325287593125﻿ (St Cybi's Church) | 26 September 1951 | Church | In chuchyard overlooking inner harbour, entered by archway from Market Square. | 5413 | See more images |
| Walls of upper churchyard, Market Square | Holyhead SH2469782619 53°18′41″N 4°37′58″W﻿ / ﻿53.311397081521°N 4.6327830830669°W﻿ / 53.311397081521; -4.6327830830669﻿ (Walls of upper churchyard, Market Square) | 26 September 1951 | Walls | Remains of a Roman fort, with walls reaching up to 4m in height. | 5415 | See more images |
| Penmon Priory | Penmon (Llangoed) SH6303380731 53°18′21″N 4°03′25″W﻿ / ﻿53.30577°N 4.05700°W﻿ / 53.30577; -4.05700﻿ (Penmon Priory) | 30 January 1968 | Church | Slightly set back from the N side of a country road which leads down to the SE tip of the island at Black Point, or Trwyn Du, Penmon. | 5525 | See more images |
| Penmon Priory Refectory | Llangoed SH6304480709 53°18′20″N 4°03′25″W﻿ / ﻿53.305576227196°N 4.0568288951421°W﻿ / 53.305576227196; -4.0568288951421﻿ (Penmon Priory Refectory) | 17 July 2002 | Refectory | Slightly set back from the N side of a country road leading to the SE tip of the island at Black Point, or Trwyn Du, Penmon. The Refectory forms the S side of a cloister yard; abutted by the Priory house at the NW corner. | 26764 | See more images |
| The Holy Well and Cell | Penmon (Llangoed) SH6305780797 53°18′23″N 4°03′24″W﻿ / ﻿53.306370089337°N 4.0566719418153°W﻿ / 53.306370089337; -4.0566719418153﻿ (The Holy Well and Cell) | 5 February 1952 | Well | Set back, along a trackway, from the N side of a country road leading to the SE tip of the island at Black Point, or Trwyn Du, Penmon. The Holy Well and Cell are c50m NNE of the Priory Church of St Seiriol at Penmon. | 5437 | See more images |
| Plas Newydd | Llandaniel Fab SH5208169588 53°12′10″N 4°12′58″W﻿ / ﻿53.202732716052°N 4.2160542241599°W﻿ / 53.202732716052; -4.2160542241599﻿ (Plas Newydd) | 30 January 1968 | House | Located 1.5km SW of Llanfairpwll on the A4080. Sited on an artificial terrace alongside the Menai Strait, overlooking the Snowdonia mountains to the E. | 5462 | See more images |
| St Cadwaladr's Church | Llangadwaladr (Bodorgan) SH3837169271 53°11′45″N 4°25′15″W﻿ / ﻿53.195885053216°N 4.4209629538485°W﻿ / 53.195885053216; -4.4209629538485﻿ (St Cadwaladr's Church) | 30 January 1968 | Church | Located within an enclosed rectangular churchyard (now extended to the SE); set back from the N side of the A4080 in the hamlet of Llangadwaladr. | 5505 | See more images |
| Remains of monastic settlement including tower and walls | Puffin Island (Llangoed) SH6516782162 53°19′09″N 4°01′32″W﻿ / ﻿53.31917°N 4.02561°W﻿ / 53.31917; -4.02561﻿ (Remains of monastic settlement including tower and walls) | 30 January 1968 | Monastery (ruined) | A partly ruined 12th-century church, located in the central part of the island, off the SE tip of the Isle of Anglesey. | 5528 | Upload Photo |
| Beaumaris Castle | Beaumaris SH6072476245 53°15′54″N 4°05′23″W﻿ / ﻿53.264871099534°N 4.0896627192241°W﻿ / 53.264871099534; -4.0896627192241﻿ (Beaumaris Castle) | 23 September 1950 | Castle | At the E end of Castle Street. | 5574 | See more images |
| Beaumaris Gaol | Beaumaris SH6035776082 53°15′48″N 4°05′42″W﻿ / ﻿53.26331021796°N 4.0950896078323°W﻿ / 53.26331021796; -4.0950896078323﻿ (Beaumaris Gaol) | 23 September 1950 | Gaol | A large building occupying the whole block bounded by Bunkers Hill, Steeple Lane and Gaol Street. | 5579 | See more images |
| Perimeter walls of Beaumaris Gaol | Beaumaris SH6035176094 53°15′48″N 4°05′43″W﻿ / ﻿53.263416427782°N 4.0951847696159°W﻿ / 53.263416427782; -4.0951847696159﻿ (Perimeter walls of Beaumaris Gaol) | 23 September 1950 | Walls | Occupying the block defined by Steeple Lane, Bunkers Hill, Gaol Street, and a narrow alley at the S end. | 5580 | See more images |
| Bulkeley Hotel | Beaumaris SH6058376056 53°15′47″N 4°05′30″W﻿ / ﻿53.263136239904°N 4.0916923316134°W﻿ / 53.263136239904; -4.0916923316134﻿ (Bulkeley Hotel) | 23 September 1950 | Hotel | Prominently sited with one front in the centre of Castle Street, and the opposite front forming one of the most conspicuous buildings facing The Green. | 5588 | See more images |
| Church of SS Mary and Nicholas | Beaumaris SH6041076128 53°15′49″N 4°05′40″W﻿ / ﻿53.263737403074°N 4.094315775666°W﻿ / 53.263737403074; -4.094315775666﻿ (Church of SS Mary and Nicholas) | 23 September 1950 | Church | In a large churchyard with Church Street to the E and Steeple Lane to the W. | 5620 | See more images |
| Remains of medieval town wall | Beaumaris SH6043376235 53°15′53″N 4°05′38″W﻿ / ﻿53.26470462051°N 4.0940181715659°W﻿ / 53.26470462051; -4.0940181715659﻿ (Remains of medieval town wall) | 23 September 1950 | Town Wall | Behind Nos 40-42 and 38 Church Street. | 5633 | See more images |
| Menai Suspension Bridge | Menai Bridge SH5565271450 53°13′14″N 4°09′49″W﻿ / ﻿53.220441781224°N 4.1634755290463°W﻿ / 53.220441781224; -4.1634755290463﻿ (Menai Suspension Bridge) | 27 May 1949 | Bridge | Spanning the Menai Strait S of Menai Bridge. | 18572 | See more images |
| Hafotty | Llansadwrn SH5621678172 53°16′52″N 4°09′29″W﻿ / ﻿53.280974669647°N 4.1580725892502°W﻿ / 53.280974669647; -4.1580725892502﻿ (Hafotty) | 28 May 2003 | House | Medieval hall house dating from the 14th-century, built to an H-shaped plan within private grounds. NW side of a country road which leads NNE off the B5109 towards Llanddona. | 81136 | See more images |
| 1 Victoria Terrace, including short section of forecourt railings to left | Beaumaris SH6065676060 53°15′47″N 4°05′26″W﻿ / ﻿53.263191392856°N 4.0906004211496°W﻿ / 53.263191392856; -4.0906004211496﻿ (1 Victoria Terrace, including short section of forecourt railings to left) | 23 September 1950 | House | Victoria Terrace is the most prominent building facing The Green. No 1, at the L end, is entered from The Green. | 5636 | See more images |
| 2 Victoria Terrace | Beaumaris SH6066476062 53°15′48″N 4°05′26″W﻿ / ﻿53.26321146427°N 4.090481444016°W﻿ / 53.26321146427; -4.090481444016﻿ (2 Victoria Terrace) | 23 September 1950 | House | Victoria Terrace is the most prominent building facing The Green. No 2 is entered from The Green. | 84703 | See more images |
| 3 Victoria Terrace | Beaumaris SH6067076064 53°15′48″N 4°05′25″W﻿ / ﻿53.26323100913°N 4.0903924302334°W﻿ / 53.26323100913; -4.0903924302334﻿ (3 Victoria Terrace) | 23 September 1950 | House | Victoria Terrace is the most prominent building facing The Green. No 3 is entered from The Green. | 84719 | See more images |
| 4 Victoria Terrace | Beaumaris SH6067776067 53°15′48″N 4°05′25″W﻿ / ﻿53.263259799887°N 4.0902888728919°W﻿ / 53.263259799887; -4.0902888728919﻿ (4 Victoria Terrace) | 23 September 1950 | House | Victoria Terrace is the most prominent building facing The Green. No 4 is entered from The Green. | 84727 | See more images |
| 5 Victoria Terrace | Beaumaris SH6068676070 53°15′48″N 4°05′25″W﻿ / ﻿53.263289116939°N 4.0901553518997°W﻿ / 53.263289116939; -4.0901553518997﻿ (5 Victoria Terrace) | 23 September 1950 | House | Victoria Terrace is the most prominent building facing The Green. No 5 is entered from The Green. | 84735 | See more images |
| 6 Victoria Terrace | Beaumaris SH6069376074 53°15′48″N 4°05′24″W﻿ / ﻿53.263326890249°N 4.0900522324696°W﻿ / 53.263326890249; -4.0900522324696﻿ (6 Victoria Terrace) | 23 September 1950 | House | Victoria Terrace is the most prominent building facing The Green. No 6 is entered from The Green. | 84743 | See more images |
| 7 Victoria Terrace | Beaumaris SH6069776083 53°15′48″N 4°05′24″W﻿ / ﻿53.263408787759°N 4.0899962492295°W﻿ / 53.263408787759; -4.0899962492295﻿ (7 Victoria Terrace) | 23 September 1950 | House | Victoria Terrace is the most prominent building facing The Green. No 7 is entered from The Green. | 84747 | See more images |
| 8 Victoria Terrace | Beaumaris SH6070176089 53°15′48″N 4°05′24″W﻿ / ﻿53.26346373697°N 4.089938951195°W﻿ / 53.26346373697; -4.089938951195﻿ (8 Victoria Terrace) | 23 September 1950 | House | Victoria Terrace is the most prominent building facing The Green. No 8 is entered from The Green. | 84750 | See more images |
| 9 Victoria Terrace | Beaumaris SH6070676095 53°15′49″N 4°05′24″W﻿ / ﻿53.26351894931°N 4.0898666711768°W﻿ / 53.26351894931; -4.0898666711768﻿ (9 Victoria Terrace) | 23 September 1950 | House | Victoria Terrace is the most prominent building facing The Green. No 9 is entered from The Green. | 84752 | See more images |
| 10 Victoria Terrace | Beaumaris SH6071076102 53°15′49″N 4°05′23″W﻿ / ﻿53.263582881219°N 4.089809811°W﻿ / 53.263582881219; -4.089809811﻿ (10 Victoria Terrace) | 23 September 1950 | House | Victoria Terrace is the most prominent building facing The Green. No 10, at the R end of the terrace, is entered from Mona Place. | 84680 | See more images |
| 12 Victoria Terrace | Beaumaris SH6066276066 53°15′48″N 4°05′26″W﻿ / ﻿53.263246868824°N 4.0905131607077°W﻿ / 53.263246868824; -4.0905131607077﻿ (12 Victoria Terrace) | 23 September 1950 | House | Victoria Terrace is the most prominent building facing The Green. No 12 is entered from a balcony at the rear. | 84683 | See more images |
| 13 Victoria Terrace | Beaumaris SH6066876069 53°15′48″N 4°05′26″W﻿ / ﻿53.263275396464°N 4.09042458516°W﻿ / 53.263275396464; -4.09042458516﻿ (13 Victoria Terrace) | 23 September 1950 | House | Victoria Terrace is the most prominent building facing The Green. No 13 is entered from a balcony at the rear. | 84684 | See more images |
| 14 Victoria Terrace | Beaumaris SH6067476072 53°15′48″N 4°05′25″W﻿ / ﻿53.263303924038°N 4.0903360094931°W﻿ / 53.263303924038; -4.0903360094931﻿ (14 Victoria Terrace) | 23 September 1950 | House | Victoria Terrace is the most prominent building facing The Green. No 14 is entered from a balcony at the rear. | 84686 | See more images |
| 15 Victoria Terrace | Beaumaris SH6068276074 53°15′48″N 4°05′25″W﻿ / ﻿53.263323995191°N 4.0902170319174°W﻿ / 53.263323995191; -4.0902170319174﻿ (15 Victoria Terrace) | 23 September 1950 | House | Victoria Terrace is the most prominent building facing The Green. No 15 is entered from a balcony at the rear. | 84689 | See more images |
| 16 Victoria Terrace | Beaumaris SH6068876078 53°15′48″N 4°05′24″W﻿ / ﻿53.263361505369°N 4.0901288942408°W﻿ / 53.263361505369; -4.0901288942408﻿ (16 Victoria Terrace) | 23 September 1950 | House | Victoria Terrace is the most prominent building facing The Green. No 16 is entered from a balcony at the rear. | 84691 | See more images |
| 17 Victoria Terrace | Beaumaris SH6069276085 53°15′48″N 4°05′24″W﻿ / ﻿53.2634254374°N 4.0900720346612°W﻿ / 53.2634254374; -4.0900720346612﻿ (17 Victoria Terrace) | 23 September 1950 | House | Victoria Terrace is the most prominent building facing The Green. No 17 is entered from a balcony at the rear. | 84693 | See more images |
| 18 Victoria Terrace | Beaumaris SH6069776092 53°15′49″N 4°05′24″W﻿ / ﻿53.263489632576°N 4.0900001930872°W﻿ / 53.263489632576; -4.0900001930872﻿ (18 Victoria Terrace) | 23 September 1950 | House | Victoria Terrace is the most prominent building facing The Green. No 18 is entered from a balcony at the rear. | 84696 | See more images |
| 19 Victoria Terrace | Beaumaris SH6070276098 53°15′49″N 4°05′24″W﻿ / ﻿53.263544844952°N 4.0899279131061°W﻿ / 53.263544844952; -4.0899279131061﻿ (19 Victoria Terrace) | 23 September 1950 | House | Victoria Terrace is the most prominent building facing The Green. No 19 is entered from The Green. | 84698 | See more images |
| 20 Victoria Terrace | Beaumaris SH6070576106 53°15′49″N 4°05′24″W﻿ / ﻿53.263617496492°N 4.0898864730432°W﻿ / 53.263617496492; -4.0898864730432﻿ (20 Victoria Terrace) | 23 September 1950 | House | Victoria Terrace is the most prominent building facing The Green. No 20 is entered from The Green. | 84708 | See more images |