Our Data Sources
Ystrad Isaf, Caernarfon has no records in the the Land Registry and a single entry in the EPC database dated July 2013.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 out of 5 and is considered of medium 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 Ystrad Isaf, Caernarfon, we estimate a market value of £328,669 and a rental value of £1,180 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £291,107 and £1,045 per month respectively.
Plot Size
HM Land Registry records the plot of land for Ystrad Isaf, Caernarfon as measuring 115,690 m2.
That makes it the largest plot in the postcode, where 3 of the 6 other houses have recorded plot data.
Energy Efficiency
Ystrad Isaf, Caernarfon has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 11 Jul 2013.
The property is not connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, oil.
Similar Properties Sold Nearby
Over the past 2 years 51 properties similar to Ystrad Isaf, Caernarfon have sold within a radius of 4.8 kilometres, per the Land Registry and our network of Estate Agents.
The latest, on the 18th December 2025, was Plas Y Nant Lodge, Caernarfon, LL54 7YR, a freehold house which sold for £387,500.
Read more about house prices in LL54.
- Sold Dec 2025£387,500 | 4 Bed HousePlas Y Nant Lodge, Caernarfon, LL54 7YRPlas Y Nant Lodge, Caernarfon, LL54 7YR
- Sold Jun 2020£257,000 | 4 Bed HouseCae Ysgubor, Caernarfon, LL54 7AJCae Ysgubor, Caernarfon, LL54 7AJ
- Sold Mar 2019£185,000 | 4 Bed HouseMinafon, Caernarfon, LL54 7YRMinafon, Caernarfon, LL54 7YR
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 44 addresses on Betws Garmon, Caernarfon, LL54, Ystrad Isaf, Caernarfon comes out as the 14th largest and the 19th most expensive in our analysis of the public data.
It is also £92k more expensive than the average property across the LL54 district.
More reading links
Schools Nearby
Public Transport Nearby
- Llanfairpwll|14.3 km away
- Bangor (Gwynedd)|14.7 km away
- Roman Bridge|18.4 km away
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
