II*House · listed 2004Plas RhianfaPhoto: Reading Tom from Reading, UK · CC BY 2.0
Plas Rhianfa · Photo: Reading Tom from Reading, UK · CC BY 2.0–Not graded
History of Llandegfan · Cadw
20 listed buildings, 1 of them Grade II*
On the Cadw list, all of them stand inside Llandegfan’s built-up area, 200 for every 10,000 residents. 19 of Llandegfan’s listed buildings are Grade II. 24% of its homes were built before 1919.
Listed buildings
20
200 per 10,000 residents
Grade I
0
exceptional interest
Grade II*
1
more than special interest
Scheduled monuments
0
1 registered park or garden
Homes built before 1919
24%
typical UK town 15%
In pictures
Landmarks of Llandegfan
Nearly every Grade I and II* building, photographed. Tap a photo to step through them full screen.
Photos from Wikimedia Commons and Geograph, copied to our own server, each credited to its photographer with its licence; names open the building’s page or its official list entry.
The map
Where Llandegfan’s history is
Every Grade I and II* building, monument and historic park.
Grade II*Park or garden
Hover a dot for its name; tap one with a photo to open it.
20 listed buildings by grade
0 Grade I1 Grade II*19 Grade II
Cadw lists buildings of special architectural or historic interest in three grades: Grade I for buildings of exceptional interest, Grade II* for particularly important buildings of more than special interest, and Grade II for buildings of special interest. Listing protects the whole building, inside and out.
Every entry on Cadw’s register of listed buildings whose point lies inside the ONS 2022 built-up-area boundary. One list entry can cover a terrace or a group of buildings.
Grade II*
The Grade II* listed building in Llandegfan
Particularly important buildings of more than special interest. Every one is photographed. Each opens its own page, with the official list entry.
What’s protected
Most of Llandegfan’s listed buildings are homes
Every listed building sorted by what its list name says it is.
Houses, terraces & villas13
Walls, gates & bridges4
Public & civic buildings2
Inns, shops & warehouses1
13 entries (65%) are houses, terraces and villas.
Buildings are sorted by Cadw’s broad class for each building, else by words in its name; an entry named only by its address counts as a house.
Grade II
19 Grade II listed buildings
Most listed buildings are in this grade, which covers buildings of special interest. Open any building to read its official list entry.
All 19 Grade II listed buildings, A to Z
Barn at MillbankBoat-house at Craig-y-DonBridge over Afon CadnantBridge over Afon Cadnant (partly in Menai Bridge community)Coachhouse at Craig-y-DonCraig-y-DonGarden house at Min y TwrGarth TowerGate-house, with gate-piers and retaining wall to courtyard, Plas RhianfaHen Ysgol and schoolhouseLlandegfan Parish HallLodge at Craig-y-DonMelin LlandegfanMilestone below Min y TwrMillbankNant CottageSummerhouse and dovecote in garden of Plas RhianfaTower and walls at Min y TwrWellhouse by Hen Ysgol
How the list grew
6 of Llandegfan’s 20 listed buildings were added in 1968
The year each building now on the list was first listed.
1968 · 62003 · 5
19501960197019801990200020102020
The first 6 entries were listed in 1968. Only 0 have been added in the last 15 years.
Monuments & landscapes
Monuments, parks and gardens
Designations that overlap the town by a tenth of their area or half a hectare.
1 registered park or garden
Plas RhianfaGrade II · Terraced seaside Victorian garden offering sheltered environment, views; planting, which has to some extent survived, in a luxuriant style reminiscent of the Mediterranean
Homes by age
24% of Llandegfan’s homes were built before 1919
Every home by when it was built, from council tax records, against England & Wales (the dark tick).
24%
Before 1900
1%
1900–18
1%
1919–29
3.7%
1930s
4.7%
1945–54
6.6%
1955–64
25%
1965–72
22%
1973–82
2.9%
1983–92
1%
1993–99
4.7%
2000–08
1.8%
2009–15
1.8%
2016–25
LlandegfanEngland & Wales
24% of homes are Victorian or older, against 16% across England and Wales. The busiest period since was 1965–72, which added 25% of today’s homes.
Valuation Office Agency, council tax stock of properties by build period, 31 March 2025, for the neighbourhoods (LSOAs) that make up the town, split by where their residents live. Homes with no recorded build period (0 here) are left out; 1939–44 is not a period in the data.
Neighbours
Listed buildings in the places around Llandegfan
| Town | People | Listed | Grade I | History |
|---|---|---|---|---|
| Llandegfan | 999 | 20 | 0 | — |
| Menai Bridge | 3,045 | 28 | 0 | A− |
| Bangor | 16,994 | 187 | 2 | A |
| Beaumaris | 1,120 | 234 | 24 | A+ |
| Llanfair Pwllgwyngyll | 2,905 | 8 | 0 | C+ |
| Tregarth | 1,252 | 10 | 0 | A− |
| Y Felinheli | 2,333 | 19 | 0 | A− |
| Gaerwen | 1,277 | 6 | 0 | B− |
In brief
Llandegfan in brief
More of Llandegfan’s homes are old than in most places: 24% were built before 1919, against 15% in the typical UK town. In all there are 20 listed buildings. Of the whole list, 65% are houses, terraces and villas.
Questions about Llandegfan’s history
How many listed buildings are there in Llandegfan?
Cadw lists 20 buildings inside Llandegfan’s built-up area: 0 Grade I, 1 Grade II* and 19 Grade II.
When were Llandegfan’s buildings listed?
The first in 1968; the most, 6, in 1968.
How old are the homes in Llandegfan?
24% of homes were built before 1919 and 29% before 1940, from the Valuation Office Agency’s council tax records (March 2025).
Llandegfan has no History Grade.
Listed buildings, scheduled monuments and historic parks and gardens: Cadw, © Crown copyright, via DataMapWales.
Sources: Cadw listed buildings, scheduled monuments and registered historic parks and gardens via DataMapWales, October 2026, inside the ONS 2022 built-up-area boundary · Valuation Office Agency, Council Tax: stock of properties by build period (31 March 2025) · TownRatings grades: our own summary of the data, ranked against UK towns only. All under the Open Government Licence v3.0.
Contains public sector information licensed under the Open Government Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2026. Contains OS data © Crown copyright and database right 2026 (ONS boundaries). Northern Ireland: Source: NISRA; contains Land & Property Services data and Ordnance Survey of Northern Ireland information, © Crown copyright, licensed under the Open Government Licence v3.0. Scotland: contains National Records of Scotland data, Registers of Scotland data and SEPA data, © Crown copyright / © SEPA 2025, licensed under the Open Government Licence v3.0.