HM Land Registry records the plot of land for 5, Trem Eilian, Caernarfon as measuring 631 m².

That makes it the 2nd largest plot in the postcode, where 9 of the 12 other houses have recorded plot data.

5, Trem Eilian, Caernarfon has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 06 Aug 2018.

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

Since 2007 92 properties similar to 5, Trem Eilian, Caernarfon have sold within a radius of 2.4 kilometres, per the Land Registry and our network of Estate Agents.

The latest, on the 9th April 2026, was 54, Bro Rhythallt, Caernarfon, LL55 4AU, a freehold house which sold for £185,000.

Read more about house prices in LL55.

• Sold Apr 2026£185,000 | 3 Bed House54, Bro Rhythallt, Caernarfon, LL55 4AU54, Bro Rhythallt, Caernarfon, LL55 4AU
• Sold Aug 2025£205,000 | 3 Bed House10 Victoria Terrace, Caernarfon, LL55 3LT10 Victoria Terrace, Caernarfon, LL55 3LT
• Sold Jul 2025£192,000 | 3 Bed HouseLlys Arfon, Caernarfon, LL55 4ANLlys Arfon, Caernarfon, LL55 4AN
• Sold Mar 2024£140,000 | 3 Bed House2 Orwig Terrace, Caernarfon, LL55 3NY2 Orwig Terrace, Caernarfon, LL55 3NY
• Sold Nov 2023£185,000 | 3 Bed House4 Orwig Terrace, Caernarfon, LL55 3NY4 Orwig Terrace, Caernarfon, LL55 3NY
• Sold Sep 2022£190,564 | 3 Bed House1-2, Rallt, Caernarfon, LL55 3NT1-2, Rallt, Caernarfon, LL55 3NT
• Sold Apr 2022£150,000 | 3 Bed HouseTryfan, Caernarfon, LL55 4DLTryfan, Caernarfon, LL55 4DL
• Sold Dec 2021£160,000 | 3 Bed HouseBod Gwynedd, Caernarfon, LL55 4DLBod Gwynedd, Caernarfon, LL55 4DL
• Sold Apr 2021£140,000 | 3 Bed House14, Dolafon, Caernarfon, LL55 4DB14, Dolafon, Caernarfon, LL55 4DB
• Sold Mar 2021£220,000 | 3 Bed House2 Capel Brynrefail, Caernarfon, LL55 3NR2 Capel Brynrefail, Caernarfon, LL55 3NR
• 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 Mar 2019£93,000 | 3 Bed House44, Bro Rhythallt, Caernarfon, LL55 4AU44, Bro Rhythallt, Caernarfon, LL55 4AU
• Sold Feb 2019£133,000 | 3 Bed House55, Bro Rhythallt, Caernarfon, LL55 4AU55, Bro Rhythallt, Caernarfon, LL55 4AU
• Sold Nov 2018£109,000 | 3 Bed HouseAwelon, Caernarfon, LL55 4DLAwelon, Caernarfon, LL55 4DL
• Sold Mar 2018£145,000 | 3 Bed House18, Bryn Tirion, Caernarfon, LL55 3BP18, Bryn Tirion, Caernarfon, LL55 3BP
• Sold Jan 2018£90,000 | 3 Bed HouseBro Dawel, Caernarfon, LL55 4DPBro Dawel, Caernarfon, LL55 4DP
• Sold Sep 2017£155,000 | 3 Bed HouseMelin Fryn, Caernarfon, LL55 3NRMelin Fryn, Caernarfon, LL55 3NR
• Sold Jun 2017£132,500 | 3 Bed HouseGorffwysfa, Caernarfon, LL55 3NRGorffwysfa, Caernarfon, LL55 3NR
• Sold Oct 2007£135,000 | 3 Bed HouseDeiniol House, Caernarfon, LL55 3NRDeiniol House, Caernarfon, LL55 3NR

Of the 12 addresses on Trem Eilian, Brynrefail, Caernarfon, LL55, 5, Trem Eilian, Caernarfon comes out as the 4th largest and the 7th most expensive in our analysis of the public data.

It is also £23k less expensive than the average property across the LL55 district.

• Bangor (Gwynedd)

  |

  8.6 km away
• Llanfairpwll

  |

  9.1 km away
• Llanfairfechan

  |

  16.9 km away

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