Our Data Sources
21, Garth Terrace, Porthmadog has 2 entries in the Land Registry, most recently in May 2021 and no records in the EPC database.
We combine this sold price information with public data of neighbouring properties to estimate the attributes and values.
The local information is scored as 3 out of 5 and is considered of medium 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 21, Garth Terrace, Porthmadog is in very good condition we estimate a sale value of £223,308 and a rental value of £779 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £197,787 and a rental value of £690 per month.
Plot Size
According to data from HM Land Registry, 21, Garth Terrace, Porthmadog sits on a plot of 53 m2.
We have plot size data on 16 out of 19 other houses in the postcode and 21, Garth Terrace, Porthmadog sits on the 10th largest plot.
Sold Prices
According to HM Land Registry, 21, Garth Terrace, Porthmadog was last sold on 4th May 2021 for £222,000 and was recorded as a freehold house.
The property has had 2 sales since 1995.
Since May 2021, the market for similar properties has dropped by 8.2%.
- Sold May 2021£222,000
- Sold Mar 2012£181,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 53 sales of properties similar to 21, Garth Terrace, Porthmadog within a radius of 2.0 kilometres since 2016.
The most recent example is 22, Dora Street, Porthmadog, LL49 9AF, a freehold house which sold for £257,000 on the 5th June 2026.
Read more about house prices in LL49.
- Sold Jun 2026£257,000 | 3 Bed House22, Dora Street, Porthmadog, LL49 9AF22, Dora Street, Porthmadog, LL49 9AF
- Sold Feb 2026£190,000 | 3 Bed House7, Madoc Street, Porthmadog, LL49 9BU7, Madoc Street, Porthmadog, LL49 9BU
- Sold Aug 2025£110,000 | 3 Bed House6, Dora Street, Porthmadog, LL49 9AF6, Dora Street, Porthmadog, LL49 9AF
- Sold Jul 2025£54,000 | 3 Bed House19, Dora Street, Porthmadog, LL49 9AF19, Dora Street, Porthmadog, LL49 9AF
- Sold Jun 2025£170,000 | 3 Bed House40, New Street, Porthmadog, LL49 9EE40, New Street, Porthmadog, LL49 9EE
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 £259,106, ranging from £157,041 to £353,725.
- 3 Roche Terrace
4 Bed House | 21 m | Est. Value: £313,933
- 17 Garth Terrace
3 Bed House | 23 m | Est. Value: £173,730
- 8 Roche Terrace
4 Bed House | 27 m | Est. Value: £329,086
- 7 Roche Terrace
4 Bed House | 33 m | Est. Value: £320,123
- 15 Garth Terrace
2 Bed House | 33 m | Est. Value: £157,041
Location Comparison
Garth Terrace, Porthmadog, LL49 has a total of 25 addresses. According to our analysis of all the public data, 21, Garth Terrace, Porthmadog is the 15th largest and the 14th most expensive property on the street.
When compared to the postcode district it is £15k less expensive than the average property in LL49.
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
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.












