Our Data Sources
1, Cil Isaf, Caernarfon has no records in the the Land Registry and a single entry in the EPC database dated February 2026.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 out of 5 and is considered of high 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 1, Cil Isaf, Caernarfon is in very good condition we estimate a sale value of £171,112 and a rental value of £926 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £151,556 and a rental value of £820 per month.
Energy Efficiency
1, Cil Isaf, Caernarfon has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 09 Feb 2026.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 161 sales of properties similar to 1, Cil Isaf, Caernarfon within a radius of 510 metres over the last 2 years.
The most recent example is 28, Eleanor Street, Caernarfon, LL55 1PG, a freehold house which sold for £160,000 on the 9th March 2026.
Read more about house prices in LL55.
- Sold Mar 2026£160,000 | 3 Bed House28, Eleanor Street, Caernarfon, LL55 1PG28, Eleanor Street, Caernarfon, LL55 1PG
- Sold Jun 2024£156,350 | 3 Bed House57, Lon Eilian, Caernarfon, LL55 2EG57, Lon Eilian, Caernarfon, LL55 2EG
- Sold Apr 2024£180,000 | 3 Bed House45, Maesincla, Caernarfon, LL55 1BY45, Maesincla, Caernarfon, LL55 1BY
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Cil Isaf, Caernarfon, LL55 has a total of 18 addresses. According to our analysis of all the public data, 1, Cil Isaf, Caernarfon is the 6th largest and the 5th most expensive property on the street.
When compared to the postcode district it is £58k less expensive than the average property in LL55.
More reading links
Schools Nearby
Public Transport Nearby
- Llanfairpwll|9.8 km away
- Bangor (Gwynedd)|12.5 km away
- Bodorgan|12.6 km away
Available Internet Speeds
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.
