Our Data Sources
Tyn Llan House, Porthmadog has no records in the the Land Registry and a single entry in the EPC database dated August 2012.
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 Tyn Llan House, Porthmadog, we estimate a market value of £343,175 and a rental value of £906 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £303,955 and £803 per month respectively.
Plot Size
HM Land Registry records the plot of land for Tyn Llan House, Porthmadog as measuring 1,491 m2.
That makes it the largest plot in the postcode, where 3 of the 6 other houses have recorded plot data.
Energy Efficiency
Tyn Llan House, Porthmadog has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 01 Aug 2012.
The property is not connected to mains gas and has single glazed windows. It is heated using Boiler and radiators, oil.
Similar Properties Sold Nearby
Over the past 2 years 47 properties similar to Tyn Llan House, Porthmadog have sold within a radius of 3.2 kilometres, per the Land Registry and our network of Estate Agents.
The latest, on the 29th August 2025, was Ffynnon Beuno, Porthmadog, LL49 9SG, a freehold house which sold for £383,000.
Read more about house prices in LL49.
- Sold Aug 2025£383,000 | 4 Bed HouseFfynnon Beuno, Porthmadog, LL49 9SGFfynnon Beuno, Porthmadog, LL49 9SG
- Sold Jun 2023£305,000 | 4 Bed HouseGlasfryn, Porthmadog, LL49 9RNGlasfryn, Porthmadog, LL49 9RN
- Sold Aug 2016£245,000 | 4 Bed HousePen Y Bryn, Porthmadog, LL49 9SBPen Y Bryn, Porthmadog, LL49 9SB
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 56 addresses on Penmorfa, Porthmadog, LL49, Tyn Llan House, Porthmadog comes out as the 16th largest and the 20th most expensive in our analysis of the public data.
It is also £90k more expensive than the average property across the LL49 district.
More reading links
Schools Nearby
Public Transport Nearby
- Porthmadog|2.7 km away
- Criccieth|5.1 km away
- Minffordd|6.0 km away
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
