HM Land Registry records the plot of land for Isdulyn, Caernarfon as measuring 488 m².

That makes it the largest plot in the postcode, where 2 of the 7 other houses have recorded plot data.

Isdulyn, Caernarfon has an Energy Performance Rating (EPC) of F. This is based on the most recent assessment, dated 23 May 2026.

The property is not connected to mains gas and has high performance glazing. It is heated using room heaters (dual fuel (mineral and wood)).

Since 2013 63 properties similar to Isdulyn, Caernarfon have sold within a radius of 3.9 kilometres, per the Land Registry and our network of Estate Agents.

The latest, on the 10th October 2025, was Cerrig Drudion, Caernarfon, LL54 6RU, a freehold house which sold for £350,000.

Read more about house prices in LL54.

• Sold Oct 2025£350,000 | 3 Bed HouseCerrig Drudion, Caernarfon, LL54 6RUCerrig Drudion, Caernarfon, LL54 6RU
• Sold Jul 2024£144,000 | 3 Bed House23, Nantlle Road, Caernarfon, LL54 6AE23, Nantlle Road, Caernarfon, LL54 6AE
• Sold Jun 2024£139,000 | 3 Bed House5, Rhiwlas Road, Caernarfon, LL54 6HU5, Rhiwlas Road, Caernarfon, LL54 6HU
• Sold Feb 2024£127,000 | 3 Bed House3 Gwynfaes, Caernarfon, LL54 6RR3 Gwynfaes, Caernarfon, LL54 6RR
• Sold Nov 2023£155,000 | 3 Bed House1, Nantlle Road, Caernarfon, LL54 6AE1, Nantlle Road, Caernarfon, LL54 6AE
• Sold Oct 2023£120,000 | 3 Bed House14, Coed Madog Road, Caernarfon, LL54 6HR14, Coed Madog Road, Caernarfon, LL54 6HR
• Sold Oct 2023£157,200 | 3 Bed House1 Cefn Faesllyn, Caernarfon, LL54 6DB1 Cefn Faesllyn, Caernarfon, LL54 6DB
• Sold Apr 2023£170,000 | 3 Bed House4 Pant Y Celyn, Caernarfon, LL54 6SB4 Pant Y Celyn, Caernarfon, LL54 6SB
• Sold Nov 2022£145,000 | 3 Bed House72, Hyfrydle Road, Caernarfon, LL54 6HF72, Hyfrydle Road, Caernarfon, LL54 6HF
• Sold Nov 2022£150,101 | 3 Bed House47, Hyfrydle Road, Caernarfon, LL54 6HF47, Hyfrydle Road, Caernarfon, LL54 6HF
• Sold Jul 2022£135,500 | 3 Bed HousePen Chwarel, Caernarfon, LL54 6EWPen Chwarel, Caernarfon, LL54 6EW
• Sold Jun 2022£340,000 | 3 Bed HouseBryn Trallwyn, Caernarfon, LL54 6RUBryn Trallwyn, Caernarfon, LL54 6RU
• Sold May 2022£125,500 | 3 Bed House48, Hyfrydle Road, Caernarfon, LL54 6HF48, Hyfrydle Road, Caernarfon, LL54 6HF
• Sold Feb 2022£155,000 | 3 Bed House5 Pant Y Celyn, Caernarfon, LL54 6SB5 Pant Y Celyn, Caernarfon, LL54 6SB
• Sold Sep 2021£94,000 | 3 Bed House53, Hyfrydle Road, Caernarfon, LL54 6HF53, Hyfrydle Road, Caernarfon, LL54 6HF
• Sold Apr 2020£130,000 | 3 Bed House70, Rhedyw Road, Caernarfon, LL54 6SG70, Rhedyw Road, Caernarfon, LL54 6SG
• Sold Jun 2017£140,100 | 3 Bed HouseGlan Ddol, Caernarfon, LL54 6RPGlan Ddol, Caernarfon, LL54 6RP
• Sold Jul 2016£95,000 | 3 Bed House30, Rhedyw Road, Caernarfon, LL54 6SG30, Rhedyw Road, Caernarfon, LL54 6SG
• Sold Sep 2015£65,000 | 3 Bed House4, Rhedyw Road, Caernarfon, LL54 6SG4, Rhedyw Road, Caernarfon, LL54 6SG
• Sold Oct 2013£116,000 | 3 Bed HouseGlandulyn, Caernarfon, LL54 6EEGlandulyn, Caernarfon, LL54 6EE

Of the 101 addresses on Nebo, Caernarfon, LL54, Isdulyn, Caernarfon comes out as the 81st largest and the 76th most expensive in our analysis of the public data.

It is also £57k less expensive than the average property across the LL54 district.

• Criccieth

  |

  12.6 km away
• Porthmadog

  |

  14.2 km away
• Penychain

  |

  14.9 km away

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