Our Data Sources
Plas Tirion, Caernarfon has a single entry in the Land Registry from February 2025 and a single entry in the EPC database dated January 2022.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For Plas Tirion, Caernarfon, we estimate a market value of £459,818 and a rental value of £1,626 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £407,267 and £1,440 per month respectively.
Plot Size
HM Land Registry records the plot of land for Plas Tirion, Caernarfon as measuring 1,722 m2.
That makes it the 2nd largest plot in the postcode, where 14 of the 20 other houses have recorded plot data.
Energy Efficiency
Plas Tirion, Caernarfon has an Energy Performance Rating (EPC) of G. This is based on the most recent assessment, dated 28 Jan 2022.
The property is not connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, oil.
Sold Prices
The most recent sale of Plas Tirion, Caernarfon completed on 28th February 2025 at £450,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 this is the property's only sale.
Values of comparable properties have dropped by 19.2% over the period since February 2025.
- Sold Feb 2025£450,000
Similar Properties Sold Nearby
Over the past 2 years 3 properties similar to Plas Tirion, Caernarfon have sold within a radius of 3.5 kilometres, per the Land Registry and our network of Estate Agents.
The latest, on the 12th February 2026, was 1 Frondeg Uchaf, Caernarfon, LL55 4LF, a freehold house which sold for £475,000.
Read more about house prices in LL55.
- Sold Feb 2026£475,000 | 5 Bed House1 Frondeg Uchaf, Caernarfon, LL55 4LF1 Frondeg Uchaf, Caernarfon, LL55 4LF
- Sold Aug 2011£267,750 | 5 Bed HouseBron Y Graig, Capel Coch Road, Caernarfon, LL55 4SHBron Y Graig, Capel Coch Road, Caernarfon, LL55 4SH
- Sold Sep 2009£310,000 | 5 Bed HouseGeufron, Victoria Terrace, Caernarfon, LL55 4TTGeufron, Victoria Terrace, Caernarfon, LL55 4TT
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 47 addresses on Ty Du Road, Llanberis, Caernarfon, LL55, Plas Tirion, Caernarfon comes out as the largest and the 2nd most expensive in our analysis of the public data.
It is also £217k more expensive than the average property across the LL55 district.
More reading links
Schools Nearby
Public Transport Nearby
- Bangor (Gwynedd)|11.4 km away
- Llanfairpwll|12.5 km away
- Roman Bridge|16.1 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
