Our Data Sources
Derlwyn, Caernarfon has no recent1 records in the the Land Registry and a single entry in the EPC database dated July 2025.
We combine this information with public data 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
In very good condition, we estimate Derlwyn, Caernarfon would be worth £394,089, with a potential rental value of £1,008 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £349,051, with a rental value of £893 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
Derlwyn, Caernarfon occupies a 139 m2 plot as recorded by HM Land Registry.
Of the 10 other houses in this postcode, 8 have recorded plot sizes, and this one ranks as the 6th largest.
Energy Efficiency
Derlwyn, Caernarfon has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 22 Jul 2025.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
Derlwyn, Caernarfon last changed hands on 16th March 1995, selling for £42,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
- Sold Mar 1995£42,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 26 sales of comparable properties within 3.5 kilometres of Derlwyn, Caernarfon across the last 2 years.
Most recently, 8, Trem Y Chwarel, Caernarfon, LL55 4FE, a freehold house, sold at £449,995 on the 30th January 2026.
Read more about house prices in LL55.
- Sold Jan 2026£449,995 | 4 Bed House8, Trem Y Chwarel, Caernarfon, LL55 4FE8, Trem Y Chwarel, Caernarfon, LL55 4FE
- Sold Jun 2024£428,000 | 3 Bed House6, Trem Y Chwarel, Caernarfon, LL55 4FE6, Trem Y Chwarel, Caernarfon, LL55 4FE
- Sold Apr 2022£238,500 | 3 Bed HouseBerth, High Street, Caernarfon, LL55 4HBBerth, High Street, Caernarfon, LL55 4HB
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks Derlwyn, Caernarfon as the 69th largest and the 8th most expensive of the 161 addresses on High Street, Llanberis, Caernarfon, LL55.
Against the LL55 postcode district average, it is £154k more expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Bangor (Gwynedd)|11.4 km away
- Llanfairpwll|12.6 km away
- Roman Bridge|16.0 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
