Our Data Sources
Perthi, Porthmadog has 31 entries in the Land Registry, most recently in October 2021 and a single entry in the EPC database dated July 2010.
We combine this information with that 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.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
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, Porthmadog, we estimate a market value of £260,604 and a rental value of £778 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £230,821 and £689 per month respectively.
Plot Size
HM Land Registry records the plot of land for Perthi, Porthmadog as measuring 532 m2.
That makes it the 21st largest plot in the postcode, where 29 of the 51 other houses have recorded plot data.
Energy Efficiency
Perthi, Porthmadog has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 28 Jul 2010.
The property is not connected to mains gas and has partial double glazing. It is heated using a boiler and radiators (oil).
Sold Prices
The most recent sale of Perthi, Porthmadog completed on 25th October 2021 at £245,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold 3 times.
Values of comparable properties have dropped by 16.5% over the period since October 2021.
- Sold Oct 2021£245,000
- Sold Aug 2015£169,000
- Sold Jul 2005£175,000
Similar Properties Sold Nearby
Since 2014 111 properties similar to Perthi, Porthmadog have sold within a radius of 3.2 kilometres, per the Land Registry and our network of Estate Agents.
The latest, on the 2nd March 2026, was 77, Cefn Y Gader, Porthmadog, LL49 9YS, a freehold house which sold for £270,000.
Read more about house prices in LL49.
- Sold Mar 2026£270,000 | 3 Bed House77, Cefn Y Gader, Porthmadog, LL49 9YS77, Cefn Y Gader, Porthmadog, LL49 9YS
- Sold Dec 2025£263,000 | 3 Bed House85, Cefn Y Gader, Porthmadog, LL49 9YS85, Cefn Y Gader, Porthmadog, LL49 9YS
- Sold Oct 2025£250,000 | 3 Bed House74, Cefn Y Gader, Porthmadog, LL49 9YS74, Cefn Y Gader, Porthmadog, LL49 9YS
- Sold Jul 2025£225,000 | 3 Bed House47, Cefn Y Gader, Porthmadog, LL49 9YS47, Cefn Y Gader, Porthmadog, LL49 9YS
- Sold Nov 2024£265,000 | 3 Bed House86, Cefn Y Gader, Porthmadog, LL49 9YS86, Cefn Y Gader, Porthmadog, LL49 9YS
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 £256,654, ranging from £197,259 to £414,195.
- Ceiriog
3 Bed House | 28 m | Est. Value: £248,988
- Wylan
3 Bed House | 28 m | Est. Value: £275,039
- The Ark
3 Bed House | 38 m | Est. Value: £246,301
- Gorlan
3 Bed House | 43 m | Est. Value: £231,658
- Corner Ways
3 Bed House | 43 m | Est. Value: £265,203
Location Comparison
Of the 277 addresses on Morfa Bychan, Porthmadog, LL49, Perthi, Porthmadog comes out as the 167th largest and the 129th most expensive in our analysis of the public data.
It is also £12k more expensive than the average property across the LL49 district.
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
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












