Our Data Sources
3, Garth Terrace, Porthmadog has a single entry in the Land Registry from November 2013 and a single entry in the EPC database dated April 2011.
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
In very good condition, we estimate 3, Garth Terrace, Porthmadog would be worth £188,162, with a potential rental value of £801 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £166,658, with a rental value of £709 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
3, Garth Terrace, Porthmadog occupies a 817 m2 plot as recorded by HM Land Registry.
Of the 19 other houses in this postcode, 16 have recorded plot sizes, and this one ranks as the largest.
Energy Efficiency
3, Garth Terrace, Porthmadog has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 16 Apr 2011.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
3, Garth Terrace, Porthmadog last changed hands on 22nd November 2013, selling for £315,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has risen by 25.7% since November 2013.
- Sold Nov 2013£315,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 65 sales of comparable properties within 1.8 kilometres of 3, Garth Terrace, Porthmadog since 2019.
Most recently, 4, Glaslyn Street, Porthmadog, LL49 9EG, a freehold house, sold at £145,000 on the 16th February 2026.
Read more about house prices in LL49.
- Sold Feb 2026£145,000 | 3 Bed House4, Glaslyn Street, Porthmadog, LL49 9EG4, Glaslyn Street, Porthmadog, LL49 9EG
- Sold Dec 2025£155,000 | 3 Bed House50, East Avenue, Porthmadog, LL49 9EL50, East Avenue, Porthmadog, LL49 9EL
- Sold May 2025£195,000 | 3 Bed House16, Heol Y Parc, Porthmadog, LL49 9AR16, Heol Y Parc, Porthmadog, LL49 9AR
- Sold Apr 2025£140,000 | 3 Bed House9, Heol Y Parc, Porthmadog, LL49 9AR9, Heol Y Parc, Porthmadog, LL49 9AR
- Sold Oct 2024£182,000 | 3 Bed House1, East Avenue, Porthmadog, LL49 9EN1, East Avenue, Porthmadog, LL49 9EN
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 £293,532, ranging from £241,696 to £449,916.
- 2 Garth Terrace
4 Bed House | 10 m | Est. Value: £253,869
- 6 Garth Terrace
4 Bed House | 26 m | Est. Value: £274,084
- 7 Garth Terrace
5 Bed House | 38 m | Est. Value: £299,134
- 8 Garth Terrace
5 Bed House | 48 m | Est. Value: £299,879
- Cornhill Cottage
3 Bed House | 55 m | Est. Value: £241,696
Location Comparison
Our analysis of the public data ranks 3, Garth Terrace, Porthmadog as the 17th largest and the 16th most expensive of the 25 addresses on Garth Terrace, Porthmadog, LL49.
Against the LL49 postcode district average, it is £57k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Porthmadog|900 m away
- Minffordd|3.2 km away
- Penrhyndeudraeth|4.5 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












