HM Land Registry records the plot of land for Perthi, Caernarfon as measuring 920 m².

That makes it the 3rd largest plot in the postcode, where 4 of the 9 other houses have recorded plot data.

Perthi, Caernarfon has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 06 Nov 2023.

The property is not connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (oil).

The most recent sale of Perthi, Caernarfon completed on 24th March 2024 at £430,000 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 4.7% over the period since March 2024.

• Sold Mar 2024£430,000

Since 2011 30 properties similar to Perthi, Caernarfon have sold within a radius of 2.9 kilometres, per the Land Registry and our network of Estate Agents.

The latest, on the 14th August 2025, was Rhoswen, Caernarfon, LL55 4AN, a freehold house which sold for £405,000.

Read more about house prices in LL55.

• Sold Aug 2025£405,000 | 4 Bed HouseRhoswen, Caernarfon, LL55 4ANRhoswen, Caernarfon, LL55 4AN
• Sold May 2025£350,000 | 4 Bed HouseTan Hafodlas, Caernarfon, LL55 4RYTan Hafodlas, Caernarfon, LL55 4RY
• Sold Feb 2024£440,000 | 4 Bed HouseGarth Hywel, Caernarfon, LL55 3PGGarth Hywel, Caernarfon, LL55 3PG
• Sold Jul 2023£330,000 | 4 Bed HouseLliwedd, Caernarfon, LL55 4PHLliwedd, Caernarfon, LL55 4PH
• Sold Apr 2022£359,000 | 4 Bed House2 Fron Oleu, Caernarfon, LL55 4RT2 Fron Oleu, Caernarfon, LL55 4RT
• Sold Apr 2022£335,000 | 4 Bed House1 Yr Hafod, Caernarfon, LL55 4AN1 Yr Hafod, Caernarfon, LL55 4AN
• Sold Feb 2021£335,000 | 4 Bed House4, Pen Cae, Caernarfon, LL55 2EQ4, Pen Cae, Caernarfon, LL55 2EQ
• Sold Feb 2020£395,000 | 4 Bed House11, Pen Cae, Caernarfon, LL55 2EQ11, Pen Cae, Caernarfon, LL55 2EQ
• Sold Jul 2019£275,000 | 4 Bed House10, Pen Cae, Caernarfon, LL55 2EQ10, Pen Cae, Caernarfon, LL55 2EQ
• Sold Jul 2019£385,000 | 4 Bed HouseY Wenallt, Caernarfon, LL55 4PHY Wenallt, Caernarfon, LL55 4PH
• Sold Apr 2019£290,000 | 4 Bed House9, Pen Cae, Caernarfon, LL55 2EQ9, Pen Cae, Caernarfon, LL55 2EQ
• Sold Aug 2018£250,000 | 4 Bed HouseElan Wen, Caernarfon, LL55 4PHElan Wen, Caernarfon, LL55 4PH
• Sold Jun 2018£360,000 | 4 Bed House12, Pen Cae, Caernarfon, LL55 2EQ12, Pen Cae, Caernarfon, LL55 2EQ
• Sold May 2018£265,000 | 4 Bed HouseCoed Elan, Caernarfon, LL55 4AECoed Elan, Caernarfon, LL55 4AE
• Sold Feb 2016£265,000 | 4 Bed House5, Pen Cae, Caernarfon, LL55 2EQ5, Pen Cae, Caernarfon, LL55 2EQ
• Sold Sep 2015£230,000 | 4 Bed House3 Bryn Moelyn, Caernarfon, LL55 4PH3 Bryn Moelyn, Caernarfon, LL55 4PH
• Sold Nov 2013£242,000 | 4 Bed House3, Pen Cae, Caernarfon, LL55 2EQ3, Pen Cae, Caernarfon, LL55 2EQ
• Sold Dec 2012£280,000 | 4 Bed House1, Pen Cae, Caernarfon, LL55 2EQ1, Pen Cae, Caernarfon, LL55 2EQ
• Sold Jun 2012£240,000 | 4 Bed HouseTyddyn Rhuddallt, Caernarfon, LL55 4BDTyddyn Rhuddallt, Caernarfon, LL55 4BD
• Sold Oct 2011£270,000 | 4 Bed House2, Pen Cae, Caernarfon, LL55 2EQ2, Pen Cae, Caernarfon, LL55 2EQ

Of the 338 addresses on Llanrug, Caernarfon, LL55, Perthi, Caernarfon comes out as the 70th largest and the 44th most expensive in our analysis of the public data.

It is also £181k more expensive than the average property across the LL55 district.

• Llanfairpwll

  |

  8.6 km away
• Bangor (Gwynedd)

  |

  9.2 km away
• Bodorgan

  |

  17.0 km away

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