How many listed buildings are in Caernarfon? 258 listed buildings
Caernarfon has 258 listed buildings, 7 of them Grade I. More listed buildings per home than 84% of areas in England and Wales.
- Grade I
- 7
- Grade II*
- 12
- Grade II
- 239
- Per 1,000 homes
- 58.5
- More listed buildings per home than
- 84% 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 CaernarfonIs a home in Caernarfon 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 Caernarfon. To check a specific address, search the official list entry or ask the council.
What are the Grade I listed buildings in Caernarfon?
Caernarfon has 7 Grade I listed buildings, the highest grade.
| Building | Listed |
|---|---|
| Caernarfon Castle | 1983 |
| Caernarfon Town Wall | 1983 |
| Church of St Mary | 1953 |
| Church of St Peblig | 1953 |
| County Court (former County Hall) | 1953 |
| Police Station, including forecourt railings and gate piers | 1953 |
| Royal Welsh Yacht Club (also known as Porth yr Aur) | 1953 |
Each name links to its official list entry.
Are there scheduled monuments in Caernarfon?
Yes, Caernarfon has 6 scheduled monuments: nationally important sites such as earthworks, ruins and ancient buildings, protected from unauthorised change.
What else do people ask about Caernarfon?
More quick answers on house prices, sales, areas, green space, crime, air quality and listed buildings in Caernarfon.
- What is the average house price in Caernarfon?
- When did average house prices in Caernarfon reach their peak?
- How many properties are being sold in Caernarfon?
- What type of properties are sold in Caernarfon?
- What price range do most homes sell for in Caernarfon?
- What is the most expensive (and cheapest) area of Caernarfon?
- How many parks and green spaces are in Caernarfon?
- What is the crime rate in Caernarfon?
- What's the air quality in Caernarfon?
- How do Caernarfon 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 01:07 with the latest Land Registry data (September 2026). The Caernarfon dataset covers 451 postcodes.
Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
About·Data methodology·Buying checklist·Privacy and cookies·YouTube