Our Data Sources
3, Osmond Terrace, Porthmadog has a single entry in the Land Registry from May 2025 and a single entry in the EPC database dated September 2021.
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 3, Osmond Terrace, Porthmadog, we estimate a market value of £198,533 and a rental value of £793 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £175,844 and £703 per month respectively.
Plot Size
HM Land Registry records the plot of land for 3, Osmond Terrace, Porthmadog as measuring 215 m2.
That makes it the 3rd largest plot in the postcode, where 3 of the 7 other houses have recorded plot data.
Energy Efficiency
3, Osmond Terrace, Porthmadog has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 24 Sep 2021.
The property is connected to mains gas and has mostly double glazing. It is heated using Boiler and radiators, mains gas.
Sold Prices
The most recent sale of 3, Osmond Terrace, Porthmadog completed on 7th May 2025 at £182,000 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 dropped by 9.8% over the period since May 2025.
- Sold May 2025£182,000
Similar Properties Sold Nearby
Over the past 2 years 41 properties similar to 3, Osmond Terrace, Porthmadog have sold within a radius of 1.6 kilometres, per the Land Registry and our network of Estate Agents.
The latest, on the 27th February 2026, was 7, Madoc Street, Porthmadog, LL49 9BU, a freehold house which sold for £190,000.
Read more about house prices in LL49.
- Sold Feb 2026£190,000 | 3 Bed House7, Madoc Street, Porthmadog, LL49 9BU7, Madoc Street, Porthmadog, LL49 9BU
- Sold Nov 2025£220,000 | 4 Bed House35, Madoc Street, Porthmadog, LL49 9BU35, Madoc Street, Porthmadog, LL49 9BU
- Sold Aug 2022£173,280 | 4 Bed House11, Dora Street, Porthmadog, LL49 9AF11, Dora Street, Porthmadog, LL49 9AF
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 7 addresses on Osmond Terrace, Porthmadog, LL49, 3, Osmond Terrace, Porthmadog comes out as the 2nd largest and the 2nd most expensive in our analysis of the public data.
It is also £48k less expensive than the average property across the LL49 district.
More reading links
Schools Nearby
Public Transport Nearby
- Porthmadog|500 m away
- Minffordd|3.3 km away
- Penrhyndeudraeth|4.6 km away
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.












