HM Land Registry records the plot of land for Old Corn Mill, Porthmadog as measuring 1,316 m².

That makes it the 3rd largest plot in the postcode, where 6 of the 9 other houses have recorded plot data.

Old Corn Mill, Porthmadog has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 01 Nov 2018.

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 Old Corn Mill, Porthmadog completed on 29th July 2019 at £300,000 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 risen by 56.2% over the period since July 2019.

• Sold Jul 2019£300,000

Since 2007 28 properties similar to Old Corn Mill, Porthmadog have sold within a radius of 2.7 kilometres, per the Land Registry and our network of Estate Agents.

The latest, on the 29th August 2025, was Ffynnon Beuno, Porthmadog, LL49 9SG, a freehold house which sold for £383,000.

Read more about house prices in LL49.

• Sold Aug 2025£383,000 | 4 Bed HouseFfynnon Beuno, Porthmadog, LL49 9SGFfynnon Beuno, Porthmadog, LL49 9SG
• Sold Jul 2023£180,000 | 4 Bed House3, Roche Terrace, Porthmadog, LL49 9BH3, Roche Terrace, Porthmadog, LL49 9BH
• Sold Jun 2023£305,000 | 4 Bed HouseGlasfryn, Porthmadog, LL49 9RNGlasfryn, Porthmadog, LL49 9RN
• Sold Feb 2023£255,000 | 4 Bed House19, Corn Hill, Porthmadog, LL49 9AT19, Corn Hill, Porthmadog, LL49 9AT
• Sold Oct 2022£225,000 | 4 Bed HouseTrem Y Foel, Porthmadog, LL49 9TPTrem Y Foel, Porthmadog, LL49 9TP
• Sold Dec 2021£350,000 | 4 Bed House5, Marine Terrace, Porthmadog, LL49 9BL5, Marine Terrace, Porthmadog, LL49 9BL
• Sold Aug 2021£363,000 | 4 Bed HouseCaptains Rest, 6, Roche Terrace, Porthmadog, LL49 9BHCaptains Rest, 6, Roche Terrace, Porthmadog, LL49 9BH
• Sold Mar 2021£235,000 | 4 Bed House17, Lombard Street, Porthmadog, LL49 9AP17, Lombard Street, Porthmadog, LL49 9AP
• Sold Jan 2021£248,000 | 4 Bed HouseBwlch Y Moch, Porthmadog, LL49 9SNBwlch Y Moch, Porthmadog, LL49 9SN
• Sold Mar 2020£215,000 | 4 Bed House20, Morfa Lodge Estate, Porthmadog, LL49 9PF20, Morfa Lodge Estate, Porthmadog, LL49 9PF
• Sold Sep 2018£257,500 | 4 Bed House14, Meadow Drive, Porthmadog, LL49 9HU14, Meadow Drive, Porthmadog, LL49 9HU
• Sold May 2018£255,000 | 4 Bed House22, Meadow Drive, Porthmadog, LL49 9HY22, Meadow Drive, Porthmadog, LL49 9HY
• Sold Jul 2017£242,500 | 4 Bed HouseTalgraig, Borth Road, Porthmadog, LL49 9BBTalgraig, Borth Road, Porthmadog, LL49 9BB
• Sold Jun 2017£225,000 | 4 Bed HousePerthi, Penamser Road, Porthmadog, LL49 9NYPerthi, Penamser Road, Porthmadog, LL49 9NY
• Sold Aug 2016£245,000 | 4 Bed HousePen Y Bryn, Porthmadog, LL49 9SBPen Y Bryn, Porthmadog, LL49 9SB
• Sold Mar 2016£235,000 | 4 Bed House4, Roche Terrace, Porthmadog, LL49 9BH4, Roche Terrace, Porthmadog, LL49 9BH
• Sold Mar 2016£200,000 | 4 Bed House1, Roche Terrace, Porthmadog, LL49 9BH1, Roche Terrace, Porthmadog, LL49 9BH
• Sold Sep 2014£310,000 | 4 Bed House3, Marine Terrace, Porthmadog, LL49 9BL3, Marine Terrace, Porthmadog, LL49 9BL
• Sold Feb 2013£320,000 | 4 Bed House7, Meadow Drive, Porthmadog, LL49 9HU7, Meadow Drive, Porthmadog, LL49 9HU
• Sold Jun 2007£280,000 | 4 Bed HouseCae Cerrig, Porthmadog, LL49 9RTCae Cerrig, Porthmadog, LL49 9RT

Of the 38 addresses on Tremadog, Porthmadog, LL49, Old Corn Mill, Porthmadog comes out as the 9th largest and the 7th most expensive in our analysis of the public data.

It is also £119k more expensive than the average property across the LL49 district.

• Porthmadog

  |

  1.2 km away
• Minffordd

  |

  4.0 km away
• Penrhyndeudraeth

  |

  5.1 km away

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