Our Data Sources
6 Seion Terrace, Caernarfon has a single entry in the Land Registry from December 2024 and a single entry in the EPC database dated March 2024.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium accuracy.
Price Range & Condition
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 6 Seion Terrace, Caernarfon is in very good condition we estimate a sale value of £167,550 and a rental value of £889 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £148,401 and a rental value of £788 per month.
Plot Size
According to data from HM Land Registry, 6 Seion Terrace, Caernarfon sits on a plot of 344 m2.
We have plot size data on 7 out of 11 other houses in the postcode and 6 Seion Terrace, Caernarfon sits on the 2nd largest plot.
Energy Efficiency
6 Seion Terrace, Caernarfon has an Energy Performance Rating (EPC) of F. This is based on the most recent assessment, dated 08 Mar 2024.
The property is not connected to mains gas and has fully double glazed windows. It is heated using Electric storage heaters.
Sold Prices
According to HM Land Registry, 6 Seion Terrace, Caernarfon was last sold on 16th December 2024 for £155,000 and was recorded as a freehold house.
The property has only had this single sale since 1995.
Since December 2024, the market for similar properties has risen by 4.0%.
- Sold Dec 2024£155,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 67 sales of properties similar to 6 Seion Terrace, Caernarfon within a radius of 2.9 kilometres over the last 2 years.
The most recent example is 4, Augusta Place, Y Felinheli, LL56 4HJ, a freehold house which sold for £178,500 on the 30th March 2026.
Read more about house prices in LL55.
- Sold Mar 2026£178,500 | 3 Bed House4, Augusta Place, Y Felinheli, LL56 4HJ4, Augusta Place, Y Felinheli, LL56 4HJ
- Sold Jun 2024£134,000 | 3 Bed House13, Augusta Place, Y Felinheli, LL56 4HJ13, Augusta Place, Y Felinheli, LL56 4HJ
- Sold Dec 2021£170,000 | 3 Bed HouseTyn Y Maen, Caernarfon, LL55 3AGTyn Y Maen, Caernarfon, LL55 3AG
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Llanddeiniolen, Caernarfon, LL55 has a total of 81 addresses. According to our analysis of all the public data, 6 Seion Terrace, Caernarfon is the 61st largest and the 72nd most expensive property on the street.
When compared to the postcode district it is £62k less expensive than the average property in LL55.
More reading links
Schools Nearby
Public Transport Nearby
- Llanfairpwll|5.1 km away
- Bangor (Gwynedd)|5.4 km away
- Llanfairfechan|15.4 km away
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.












