HM Land Registry records the plot of land for 14, Garth Terrace, Porthmadog as measuring 52 m².

That makes it the 11th largest plot in the postcode, where 16 of the 19 other houses have recorded plot data.

14, Garth Terrace, Porthmadog has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 27 Jan 2023.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

The most recent sale of 14, Garth Terrace, Porthmadog completed on 30th August 2024 at £177,500 and was recorded by HM Land Registry as a freehold house.

Since 1995 the property has sold twice.

Values of comparable properties have dropped by 18.3% over the period since August 2024.

• Sold Aug 2024£177,500
• Sold May 2016£105,000

Since 2017 78 properties similar to 14, Garth Terrace, Porthmadog have sold within a radius of 1.9 kilometres, per the Land Registry and our network of Estate Agents.

The latest, on the 19th December 2025, was 50, East Avenue, Porthmadog, LL49 9EL, a freehold house which sold for £155,000.

Read more about house prices in LL49.

• Sold Dec 2025£155,000 | 3 Bed House50, East Avenue, Porthmadog, LL49 9EL50, East Avenue, Porthmadog, LL49 9EL
• Sold Oct 2025£110,000 | 3 Bed House35, East Avenue, Porthmadog, LL49 9EL35, 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 Mar 2024£180,000 | 3 Bed House34, East Avenue, Porthmadog, LL49 9EL34, East Avenue, Porthmadog, LL49 9EL
• Sold Jan 2024£160,000 | 3 Bed House5, Heol Y Parc, Porthmadog, LL49 9AR5, Heol Y Parc, Porthmadog, LL49 9AR
• Sold Dec 2023£175,000 | 3 Bed House12, Heol Y Parc, Porthmadog, LL49 9AR12, Heol Y Parc, Porthmadog, LL49 9AR
• Sold Dec 2023£142,000 | 3 Bed House57, Chapel Street, Porthmadog, LL49 9DN57, Chapel Street, Porthmadog, LL49 9DN
• Sold Nov 2023£137,750 | 3 Bed House2, Dora Street, Porthmadog, LL49 9AF2, Dora Street, Porthmadog, LL49 9AF
• Sold Aug 2023£765,500 | 3 Bed House54, East Avenue, Porthmadog, LL49 9EL54, East Avenue, Porthmadog, LL49 9EL
• Sold May 2023£148,000 | 3 Bed House2, Heol Y Parc, Porthmadog, LL49 9AR2, Heol Y Parc, Porthmadog, LL49 9AR
• Sold May 2023£121,000 | 3 Bed House9, Garth Terrace, Porthmadog, LL49 9BE9, Garth Terrace, Porthmadog, LL49 9BE
• Sold Sep 2022£160,000 | 3 Bed House7, Heol Y Parc, Porthmadog, LL49 9AR7, Heol Y Parc, Porthmadog, LL49 9AR
• Sold May 2022£133,000 | 3 Bed House15, Terrace Road, Porthmadog, LL49 9BA15, Terrace Road, Porthmadog, LL49 9BA
• Sold Apr 2022£179,999 | 3 Bed House17, Dora Street, Porthmadog, LL49 9AF17, Dora Street, Porthmadog, LL49 9AF
• Sold Jul 2021£165,000 | 3 Bed House56, Chapel Street, Porthmadog, LL49 9DN56, Chapel Street, Porthmadog, LL49 9DN
• Sold Dec 2020£115,500 | 3 Bed House37, Madoc Street, Porthmadog, LL49 9BU37, Madoc Street, Porthmadog, LL49 9BU
• Sold Jul 2019£140,000 | 3 Bed House18, Dora Street, Porthmadog, LL49 9AF18, Dora Street, Porthmadog, LL49 9AF
• Sold Mar 2019£135,000 | 3 Bed House59A, Madoc Street, Porthmadog, LL49 9BU59A, Madoc Street, Porthmadog, LL49 9BU
• Sold Aug 2017£88,000 | 3 Bed House12, Dora Street, Porthmadog, LL49 9AF12, Dora Street, Porthmadog, LL49 9AF

Of the 25 addresses on Garth Terrace, Porthmadog, LL49, 14, Garth Terrace, Porthmadog comes out as the 16th largest and the 15th most expensive in our analysis of the public data.

It is also £45k less expensive than the average property across the LL49 district.

• Porthmadog

  |

  900 m away
• Minffordd

  |

  3.2 km away
• Penrhyndeudraeth

  |

  4.5 km away

The flood risk here is rated Very Low, based on Environment Agency data.