Our Data Sources
13, Cil Isaf, Caernarfon has no records in the the Land Registry and a single entry in the EPC database dated February 2023.
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
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 13, Cil Isaf, Caernarfon, we estimate a market value of £160,124 and a rental value of £881 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £141,824 and £780 per month respectively.
Energy Efficiency
13, Cil Isaf, Caernarfon has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 22 Feb 2023.
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
Over the past 2 years 120 properties similar to 13, Cil Isaf, Caernarfon have sold within a radius of 520 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 19th December 2025, was 34, Margaret Street, Caernarfon, LL55 1NB, a freehold house which sold for £147,500.
Read more about house prices in LL55.
- Sold Dec 2025£147,500 | 3 Bed House34, Margaret Street, Caernarfon, LL55 1NB34, Margaret Street, Caernarfon, LL55 1NB
- Sold Aug 2024£147,000 | 3 Bed House38, Margaret Street, Caernarfon, LL55 1NB38, Margaret Street, Caernarfon, LL55 1NB
- Sold Jun 2024£156,350 | 3 Bed House57, Lon Eilian, Caernarfon, LL55 2EG57, Lon Eilian, Caernarfon, LL55 2EG
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 18 addresses on Cil Isaf, Caernarfon, LL55, 13, Cil Isaf, Caernarfon comes out as the 18th largest and the 18th most expensive in our analysis of the public data.
It is also £69k less expensive than the average property across the LL55 district.
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
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












