Our Data Sources
Perthi Isaf, Caernarfon has a single entry in the Land Registry from August 2011 and a single entry in the EPC database dated November 2014.
We combine this information with that 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
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 Perthi Isaf, Caernarfon, we estimate a market value of £110,524 and a rental value of £567 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £97,892 and £502 per month respectively.
Plot Size
HM Land Registry records the plot of land for Perthi Isaf, Caernarfon as measuring 432 m2.
That makes it the 3rd largest plot in the postcode, where 3 of the 6 other houses have recorded plot data.
Energy Efficiency
Perthi Isaf, Caernarfon has an Energy Performance Rating (EPC) of G. This is based on the most recent assessment, dated 08 Nov 2014.
The property is not connected to mains gas and has fully double glazed windows. It is heated using no system present: electric heaters assumed.
Sold Prices
The most recent sale of Perthi Isaf, Caernarfon completed on 26th August 2011 at £70,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 this is the property's only sale.
Values of comparable properties have risen by 96.8% over the period since August 2011.
- Sold Aug 2011£70,000
Similar Properties Sold Nearby
Over the past 2 years 1 property similar to Perthi Isaf, Caernarfon has sold within a radius of 2.6 kilometres, per the Land Registry and our network of Estate Agents.
The latest, on the 27th February 2025, was 10, High Street, Caernarfon, LL55 3HU, a freehold house which sold for £109,000.
Read more about house prices in LL55.
- Sold Feb 2025£109,000 | 3 Bed House10, High Street, Caernarfon, LL55 3HU10, High Street, Caernarfon, LL55 3HU
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £237,580, ranging from £125,878 to £360,566.
- Tyddyn Perthi
5 Bed House | 41 m | Est. Value: £158,212
- Weirglodd Las
4 Bed House | 265 m | Est. Value: £265,472
- Gwynfi
3 Bed House | 267 m | Est. Value: £221,196
- Tal Y Waenydd
4 Bed House | 296 m | Est. Value: £125,878
- Tyn Weirglodd
3 Bed House | 324 m | Est. Value: £221,196
Location Comparison
Of the 181 addresses on Penisarwaun, Caernarfon, LL55, Perthi Isaf, Caernarfon comes out as the 65th largest and the 180th most expensive in our analysis of the public data.
It is also £115k less expensive than the average property across the LL55 district.
More reading links
Schools Nearby
Public Transport Nearby
- Bangor (Gwynedd)|7.7 km away
- Llanfairpwll|8.4 km away
- Llanfairfechan|16.0 km away
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.





