Our Data Sources
Isallt, Porthmadog has 21 entries in the Land Registry , most recently in June 2009 and a single entry in the EPC database dated November 2008.
We combine this information with that 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 Isallt, Porthmadog, we estimate a market value of £373,579 and a rental value of £1,362 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £330,884 and £1,206 per month respectively.
Plot Size
HM Land Registry records the plot of land for Isallt, Porthmadog as measuring 260 m2.
That makes it the 3rd largest plot in the postcode, where 11 of the 30 other houses have recorded plot data.
Energy Efficiency
Isallt, Porthmadog has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 26 Nov 2008.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
The most recent sale of Isallt, Porthmadog completed on 16th June 2009 at £350,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold twice.
Values of comparable properties have risen by 53.1% over the period since June 2009.
- Sold Jun 2009£350,000
- Sold Dec 1996£83,000
Similar Properties Sold Nearby
Over the past 2 years 3 properties similar to Isallt, Porthmadog have sold within a radius of 2.2 kilometres, per the Land Registry and our network of Estate Agents.
The latest, on the 18th June 2025, was 21, Lombard Street, Porthmadog, LL49 9AP, a freehold house which sold for £385,000.
Read more about house prices in LL49.
- Sold Jun 2025£385,000 | 5 Bed House21, Lombard Street, Porthmadog, LL49 9AP21, Lombard Street, Porthmadog, LL49 9AP
- Sold Jun 2021£331,558 | 4 Bed House1, Mersey Street, Porthmadog, LL49 9UB1, Mersey Street, Porthmadog, LL49 9UB
- Sold Dec 2019£287,000 | 4 Bed House15, Ralph Street, Porthmadog, LL49 9UA15, Ralph Street, Porthmadog, LL49 9UA
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 124 addresses on Borth-Y-Gest, Porthmadog, LL49, Isallt, Porthmadog comes out as the 14th largest and the 64th most expensive in our analysis of the public data.
It is also £78k more expensive than the average property across the LL49 district.
More reading links
Schools Nearby
Public Transport Nearby
- 1.5kmPorthmadog
- 3.5kmMinffordd
- 4.6kmTygwyn
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.
