Our Data Sources
20, Llainwen Isaf, Caernarfon has a single entry in the Land Registry from January 2024 and a single entry in the EPC database dated July 2023.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high accuracy.
Price Range & Condition
In very good condition, we estimate 20, Llainwen Isaf, Caernarfon would be worth £151,366, with a potential rental value of £774 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £134,067, with a rental value of £686 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
20, Llainwen Isaf, Caernarfon has an Energy Performance Rating (EPC) of F. This is based on the most recent assessment, dated 26 Jul 2023.
The property is not connected to mains gas and has fully double glazed windows. It is heated using Room heaters, electric.
Sold Prices
20, Llainwen Isaf, Caernarfon last changed hands on 8th January 2024, selling for £130,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has dropped by 17.2% since January 2024.
- Sold Jan 2024£130,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 31 sales of comparable properties within 3.4 kilometres of 20, Llainwen Isaf, Caernarfon across the last 2 years.
Most recently, 14, Water Street, Caernarfon, LL55 4EP, a freehold house, sold at £120,000 on the 13th February 2026.
Read more about house prices in LL55.
- Sold Feb 2026£120,000 | 2 Bed House14, Water Street, Caernarfon, LL55 4EP14, Water Street, Caernarfon, LL55 4EP
- Sold Jan 2026£135,000 | 2 Bed House28, Ty Du Road, Caernarfon, LL55 4LH28, Ty Du Road, Caernarfon, LL55 4LH
- Sold Sep 2020£137,500 | 2 Bed House8, Llainwen Isaf, Caernarfon, LL55 4LG8, Llainwen Isaf, Caernarfon, LL55 4LG
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 20, Llainwen Isaf, Caernarfon as the 13th largest and the 13th most expensive of the 16 addresses on Llainwen Isaf, Llanberis, Caernarfon, LL55.
Against the LL55 postcode district average, it is £77k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Bangor (Gwynedd)|11.4 km away
- Llanfairpwll|12.3 km away
- Roman Bridge|16.4 km away
Available Internet Speeds
Ofcom's latest figures show poor internet coverage in this area, which may mean weak or no connectivity.
According to recent data from Ofcom, Slow/none Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
