HM Land Registry records the plot of land for 2 Yr Efail, Caernarfon as measuring 422 m².

That makes it the 7th largest plot in the postcode, where 23 of the 35 other houses have recorded plot data.

2 Yr Efail, Caernarfon has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 14 Nov 2011.

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

Since 2007 93 properties similar to 2 Yr Efail, Caernarfon have sold within a radius of 2.5 kilometres, per the Land Registry and our network of Estate Agents.

The latest, on the 2nd December 2025, was 20, Nant Y Glyn, Caernarfon, LL55 4AH, a freehold house which sold for £160,000.

Read more about house prices in LL55.

• Sold Dec 2025£160,000 | 3 Bed House20, Nant Y Glyn, Caernarfon, LL55 4AH20, Nant Y Glyn, Caernarfon, LL55 4AH
• Sold Aug 2025£298,000 | 3 Bed House40, Nant Y Glyn, Caernarfon, LL55 4AH40, Nant Y Glyn, Caernarfon, LL55 4AH
• Sold Aug 2025£250,000 | 3 Bed House23, Nant Y Glyn, Caernarfon, LL55 4AH23, Nant Y Glyn, Caernarfon, LL55 4AH
• Sold May 2025£286,000 | 3 Bed House8, Nant Y Glyn, Caernarfon, LL55 4AH8, Nant Y Glyn, Caernarfon, LL55 4AH
• Sold Mar 2025£290,000 | 3 Bed HouseAwelfryn, Nant Y Glyn, Caernarfon, LL55 4AHAwelfryn, Nant Y Glyn, Caernarfon, LL55 4AH
• Sold Feb 2025£280,000 | 3 Bed HouseSychnant, Nant Y Glyn, Caernarfon, LL55 4AHSychnant, Nant Y Glyn, Caernarfon, LL55 4AH
• Sold Jan 2025£250,000 | 3 Bed HouseGorswen, Caernarfon, LL55 3NTGorswen, Caernarfon, LL55 3NT
• Sold Oct 2024£280,000 | 3 Bed HouseGorffwysfa, Caernarfon, LL55 3PWGorffwysfa, Caernarfon, LL55 3PW
• Sold Sep 2024£202,500 | 3 Bed House11, Bryn Eglwys, Caernarfon, LL55 3HE11, Bryn Eglwys, Caernarfon, LL55 3HE
• Sold Jan 2024£147,000 | 3 Bed House21, Nant Y Glyn, Caernarfon, LL55 4AH21, Nant Y Glyn, Caernarfon, LL55 4AH
• Sold Jun 2022£425,000 | 3 Bed House2 Bryn Eithin, Caernarfon, LL55 3PW2 Bryn Eithin, Caernarfon, LL55 3PW
• Sold Nov 2021£170,000 | 3 Bed HouseSiop Gron, Caernarfon, LL55 3BSSiop Gron, Caernarfon, LL55 3BS
• Sold Mar 2021£220,000 | 3 Bed House2 Capel Brynrefail, Caernarfon, LL55 3NR2 Capel Brynrefail, Caernarfon, LL55 3NR
• Sold Jan 2021£209,950 | 3 Bed House2, Cae Ty Capel, Caernarfon, LL55 4FB2, Cae Ty Capel, Caernarfon, LL55 4FB
• Sold Dec 2020£250,000 | 3 Bed House6, Bryn Eglwys, Caernarfon, LL55 3HE6, Bryn Eglwys, Caernarfon, LL55 3HE
• Sold Oct 2020£140,000 | 3 Bed House1, Llys Alun, Caernarfon, LL55 3DD1, Llys Alun, Caernarfon, LL55 3DD
• Sold Sep 2019£220,000 | 3 Bed House27, Nant Y Glyn, Caernarfon, LL55 4AH27, Nant Y Glyn, Caernarfon, LL55 4AH
• Sold Oct 2016£140,000 | 3 Bed HouseGwel Y Mynydd, Caernarfon, LL55 3BSGwel Y Mynydd, Caernarfon, LL55 3BS
• Sold Apr 2007£249,950 | 3 Bed HouseTreflys, Caernarfon, LL55 3DBTreflys, Caernarfon, LL55 3DB
• Sold Jan 2007£142,500 | 3 Bed HouseElidir, Caernarfon, LL55 3BSElidir, Caernarfon, LL55 3BS

Of the 181 addresses on Penisarwaun, Caernarfon, LL55, 2 Yr Efail, Caernarfon comes out as the 88th largest and the 92nd most expensive in our analysis of the public data.

It is also £29k more expensive than the average property across the LL55 district.

• Bangor (Gwynedd)

  |

  7.8 km away
• Llanfairpwll

  |

  8.2 km away
• Llanfairfechan

  |

  16.5 km away

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