How many listed buildings are in Ynys Môn / Isle of Anglesey? 1,116 listed buildings
Ynys Môn / Isle of Anglesey has 1,116 listed buildings, 38 of them Grade I. More listed buildings per home than 72% of areas in England and Wales.
- Grade I
- 38
- Grade II*
- 100
- Grade II
- 978
- Per 1,000 homes
- 36.2
- More listed buildings per home than
- 72% of areas
Listed buildings and scheduled monuments are counted where their map point falls; one list entry can cover a terrace or group. Per 1,000 homes uses Census 2021 households. Designated Historic Asset GIS Data, The Welsh Historic Environment Service (Cadw), licensed under the Open Government Licence. How we calculate this
All house prices in Ynys Môn / Isle of AngleseyIs a home in Ynys Môn / Isle of Anglesey likely to be in a conservation area?
Conservation areas in Wales are not included yet.
In a conservation area you usually need planning permission for work that would be allowed elsewhere, such as cladding, side extensions, some roof changes and demolishing most buildings, and you must give the council six weeks' notice before cutting back or felling most trees. Some areas have extra Article 4 rules, for example on replacing windows or doors. Check with the council before you buy.
What does it mean if a home is listed?
A listed home needs listed building consent for any work that affects its character, inside or out, and doing that work without consent is a criminal offence. Grade I buildings are of exceptional interest (about 2.5% of listed buildings), Grade II* are particularly important (about 5.8%), and most, about 92%, are Grade II. One list entry can cover a whole terrace.
This page shows how common listed buildings are in Ynys Môn / Isle of Anglesey. To check a specific address, search the official list entry or ask the council.
What are the Grade I listed buildings in Ynys Môn / Isle of Anglesey?
Ynys Môn / Isle of Anglesey has 38 Grade I listed buildings, the highest grade.
Each name links to its official list entry.
Are there scheduled monuments in Ynys Môn / Isle of Anglesey?
Yes, Ynys Môn / Isle of Anglesey has 143 scheduled monuments: nationally important sites such as earthworks, ruins and ancient buildings, protected from unauthorised change. These are 50 of them.
- Aberlleiniog Castle
- Aberlleiniog Fish Weir I
- Barclodiad y Gawres Chambered Tomb
- Beaumaris Castle
- Beaumaris Town Wall
- Bedd Branwen Round Cairn
- Benllech Megalith: Goosehouse
- Berw Colliery
- Bodafon Mountain Early Medieval Homestead
- Bodafon Mountain Hut Groups
- Bodedern Early Christian Cemetery
- Bodewryd Standing Stone
- Bodfeddan Inscribed Stone
- Bodior Tide Mill
- Bodorwedd Standing Stones
- Bodowyr Chambered Tomb
- Bonw Burial Mound
- Bryn Celli Ddu Chambered Tomb
- Bryn Eryr Rectangular Earthwork
- Bryn-Celli-Ddu Standing Stone
- Bryn-yr-Hen-Bobl Burial Chamber
- Bryngwyn Standing Stones
- Burial Chamber 180m NE of Pen-y-Berth
- Bwlch-y-Dafarn Enclosed Hut Group
- Caer Idris Hillfort
- Caer Lêb Romano-British Farm
- Caer y Tŵr
- Caerhoslligwy Enclosed Hut Groups
- Capel Eithin (site of) and Cemetery
- Capel Llugwy
- Capel Soar Standing Stone
- Carreg Leidr
- Castell Bryngwyn Prehistoric Enclosure
- Castell Crwn
- Castell Near Tre-Fadog
- Castellor Hut Group
- Coed Mor Fish Weir
- Coed Newydd Boiling Mounds & Smelting Hearth
- Cors-y-Bol Round Barrow
- Cremlyn Standing Stones
- Din Dryfol Chambered Tomb
- Din Llugwy Romano-British Village
- Din Sylwy
- Dinas Cadnant Hillfort
- Dinas Gynfor Hillfort
- Dinas Porth Ruffydd
- Dyffryn Adda Copper Furnace and Precipitation Ponds
- Early Gravestones & Shaft in Churchyard
- Enclosed Hut Circle Settlement at Capel Llochwydd
- Enclosed Hut Group West of Mariandyrys
Which part of Ynys Môn / Isle of Anglesey has the most listed buildings?
Beaumaris has the most listed buildings of the 40 areas of Ynys Môn / Isle of Anglesey, with 257.
| Area | Listed buildings | Per 1,000 homes | Homes in a conservation area |
|---|---|---|---|
| Beaumaris | 257 | 311.5 | — |
| Holyhead | 70 | 12.8 | — |
| Cylch-y-Garn | 42 | — | — |
| Bodorgan | 41 | — | — |
| Llanddaniel Fab | 36 | — | — |
| Llanfaethlu | 35 | — | — |
| Rhosyr | 35 | 34.0 | — |
| Menai Bridge | 35 | 23.7 | — |
| Llanddyfnan | 33 | — | — |
| Llanfair Pwllgwyngyll | 32 | 24.7 | — |
| Llangoed | 31 | 53.4 | — |
| Cwm Cadnant | 30 | 32.2 | — |
| Amlwch | 28 | 16.5 | — |
| Pentraeth | 27 | 48.1 | — |
| Llaneilian | 26 | 46.6 | — |
| Llanidan | 25 | — | — |
| Mechell | 23 | 40.6 | — |
| Llangristiolus | 23 | 41.2 | — |
| Llanfair-Mathafarn-Eithaf | 22 | 14.7 | — |
| Bodedern | 21 | — | — |
| Llanfachraeth | 20 | — | — |
| Llanddona | 19 | — | — |
| Rhosybol | 18 | — | — |
| Tref Alaw | 18 | — | — |
| Penmynydd | 17 | — | — |
| Aberffraw | 17 | — | — |
| Llangefni | 16 | 6.7 | — |
| Rhoscolyn | 14 | — | — |
| Trearddur | 13 | 18.1 | — |
| Moelfre | 12 | — | — |
| Llanfihangel Ysgeifiog | 12 | 16.6 | — |
| Llanfair-yn-Neubwll | 12 | 18.3 | — |
| Llannerch-y-Medd | 11 | 18.7 | — |
| Bodffordd | 10 | — | — |
| Llanfaelog | 9 | 12.5 | — |
| Llaneugrad | 7 | — | — |
| Valley | 7 | 6.6 | — |
| Bryngwran | 7 | — | — |
| Trewalchmai | 7 | — | — |
| Llanbadrig | 3 | 5.0 | — |
A dash means the area is too small for a fair rate, or its council has not published conservation area boundaries.
What else do people ask about Ynys Môn / Isle of Anglesey?
More quick answers on house prices, sales, areas, green space, crime, air quality and listed buildings in Ynys Môn / Isle of Anglesey.
- What is the average house price in Ynys Môn / Isle of Anglesey?
- When did average house prices in Ynys Môn / Isle of Anglesey reach their peak?
- How many properties are being sold in Ynys Môn / Isle of Anglesey?
- What type of properties are sold in Ynys Môn / Isle of Anglesey?
- What price range do most homes sell for in Ynys Môn / Isle of Anglesey?
- What is the most expensive (and cheapest) area of Ynys Môn / Isle of Anglesey?
- How many parks and green spaces are in Ynys Môn / Isle of Anglesey?
- What is the crime rate in Ynys Môn / Isle of Anglesey?
- What's the air quality in Ynys Môn / Isle of Anglesey?
- How do Ynys Môn / Isle of Anglesey house prices compare with another area?
Where does this data come from?
Price information is from HM Land Registry, location boundaries are from OpenStreetMap, and households and population are from Nomis Census 2021 postcode estimates (21 March 2021). Parks and green space are from OS Open Greenspace. Contains OS data © Crown copyright and database right 2026. Crime is from police.uk street-level data. Contains public sector information licensed under the Open Government Licence v3.0. Source: police.uk. Listed buildings and scheduled monuments are from Historic England and Cadw, and conservation areas from planning.data.gov.uk. Designated Historic Asset GIS Data, The Welsh Historic Environment Service (Cadw), licensed under the Open Government Licence. Air quality is from Defra modelled background pollution maps. Contains public sector information licensed under the Open Government Licence v3.0. Source: Defra modelled background pollution, 2025.
Last updated 11 November 2026 at 00:17 with the latest Land Registry data (September 2026). The Ynys Môn / Isle of Anglesey dataset covers 3,244 postcodes.
Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
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