Our Data Sources
Swn Y Don, Porthmadog has no records in the the Land Registry and a single entry in the EPC database dated January 2017.
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
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If Swn Y Don, Porthmadog is in very good condition we estimate a sale value of £221,241 and a rental value of £690 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £195,956 and a rental value of £611 per month.
Plot Size
According to data from HM Land Registry, Swn Y Don, Porthmadog sits on a plot of 323 m2.
We have plot size data on 29 out of 51 other houses in the postcode and Swn Y Don, Porthmadog sits on the 28th largest plot.
Energy Efficiency
Swn Y Don, Porthmadog has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 31 Jan 2017.
The property is not connected to mains gas and has partial double glazing. It is heated using Electric storage heaters.
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 32 sales of properties similar to Swn Y Don, Porthmadog within a radius of 3.0 kilometres over the last 2 years.
The most recent example is 61, Cefn Y Gader, Porthmadog, LL49 9YS, a freehold house which sold for £230,000 on the 24th March 2026.
Read more about house prices in LL49.
- Sold Mar 2026£230,000 | 3 Bed House61, Cefn Y Gader, Porthmadog, LL49 9YS61, Cefn Y Gader, Porthmadog, LL49 9YS
- Sold Dec 2025£270,000 | 3 Bed House13, Y Ffridd, Porthmadog, LL49 9YR13, Y Ffridd, Porthmadog, LL49 9YR
- Sold Feb 2020£150,000 | 3 Bed House39, Cefn Y Gader, Porthmadog, LL49 9YS39, Cefn Y Gader, Porthmadog, LL49 9YS
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Morfa Bychan, Porthmadog, LL49 has a total of 277 addresses. According to our analysis of all the public data, Swn Y Don, Porthmadog is the 229th largest and the 161st most expensive property on the street.
When compared to the postcode district it is £26k less expensive than the average property in LL49.
More reading links
Schools Nearby
Public Transport Nearby
- Porthmadog|3.0 km away
- Criccieth|4.6 km away
- Minffordd|5.9 km away
Available Internet Speeds
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.












