Our Data Sources
Tan Y Lon, Caernarfon has no records in the the Land Registry and a single entry in the EPC database dated May 2025.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 out of 5 and is considered of medium 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 Tan Y Lon, Caernarfon, we estimate a market value of £287,465 and a rental value of £1,006 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £254,612 and £891 per month respectively.
Energy Efficiency
Tan Y Lon, Caernarfon has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 07 May 2025.
The property is not connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, oil.
Similar Properties Sold Nearby
Over the past 2 years 3 properties similar to Tan Y Lon, Caernarfon have sold within a radius of 2.9 kilometres, per the Land Registry and our network of Estate Agents.
The latest, on the 25th September 2023, was Swn Yr Afon, Caernarfon, LL54 7EG, a freehold house which sold for £250,000.
Read more about house prices in LL54.
- Sold Sep 2023£250,000 | 4 Bed HouseSwn Yr Afon, Caernarfon, LL54 7EGSwn Yr Afon, Caernarfon, LL54 7EG
- Sold Aug 2020£265,000 | 4 Bed House25, Fron Deg, Caernarfon, LL54 7AZ25, Fron Deg, Caernarfon, LL54 7AZ
- Sold Nov 2011£222,000 | 4 Bed HouseTai Onnen, Caernarfon, LL54 7NNTai Onnen, Caernarfon, LL54 7NN
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Of the 260 addresses on Rhostryfan, Caernarfon, LL54, Tan Y Lon, Caernarfon comes out as the 72nd largest and the 109th most expensive in our analysis of the public data.
It is also £57k more expensive than the average property across the LL54 district.
More reading links
Schools Nearby
Public Transport Nearby
- 14.8kmLlanfairpwll
- 16.4kmBodorgan
- 16.8kmBangor (Gwynedd)
Available Internet Speeds
Internet coverage here is poor, based on recent Ofcom data, and connectivity may be weak or unavailable.
According to recent data from Ofcom, Slow/none broadband is available in the area.
Risk of Flooding
The flood risk here is rated very low, based on Environment Agency data.












