According to data from HM Land Registry, Yr Onnen, Caernarfon sits on a plot of 882 m².

We have plot size data on 4 out of 6 other houses in the postcode and Yr Onnen, Caernarfon sits on the 2nd largest plot.

Yr Onnen, Caernarfon has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 17 Oct 2023.

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

According to HM Land Registry, Yr Onnen, Caernarfon was last sold on 27th April 2023 for £340,000 and was recorded as a freehold house.

The property has had 3 sales since 1995.

Since April 2023, the market for similar properties has dropped by 0.9%.

• Sold Apr 2023£340,000
• Sold Jan 2020£260,000
• Sold Dec 2009£134,000

According to the Land Registry and our network of Estate Agents, there have been 32 sales of properties similar to Yr Onnen, Caernarfon within a radius of 1.7 kilometres since 2007.

The most recent example is 36, Gwel Y Llan, Caernarfon, LL55 2SJ, a freehold house which sold for £136,596 on the 11th March 2026.

Read more about house prices in LL55.

• Sold Mar 2026£136,596 | 3 Bed House36, Gwel Y Llan, Caernarfon, LL55 2SJ36, Gwel Y Llan, Caernarfon, LL55 2SJ
• Sold Nov 2025£339,950 | 3 Bed House124, Gwel Y Llan, Caernarfon, LL55 2SQ124, Gwel Y Llan, Caernarfon, LL55 2SQ
• Sold Oct 2025£330,000 | 3 Bed House11, Lon Oleuwen, Caernarfon, LL55 2UP11, Lon Oleuwen, Caernarfon, LL55 2UP
• Sold Jan 2024£161,000 | 3 Bed House3 Bryn Gof, Caernarfon, LL55 2TA3 Bryn Gof, Caernarfon, LL55 2TA
• Sold Jan 2024£320,000 | 3 Bed House6, Stad Glandwr, Caernarfon, LL55 2PL6, Stad Glandwr, Caernarfon, LL55 2PL
• Sold Dec 2022£299,950 | 3 Bed House32, Y Bryn, Caernarfon, LL55 2UN32, Y Bryn, Caernarfon, LL55 2UN
• Sold Jan 2022£255,000 | 3 Bed House61, Glan Seiont, Caernarfon, LL55 2DX61, Glan Seiont, Caernarfon, LL55 2DX
• Sold Nov 2021£250,000 | 3 Bed House16, Glan Seiont, Caernarfon, LL55 2DX16, Glan Seiont, Caernarfon, LL55 2DX
• Sold Oct 2021£240,000 | 3 Bed House15 Cae Capel, Caernarfon, LL55 2EZ15 Cae Capel, Caernarfon, LL55 2EZ
• Sold Mar 2019£225,000 | 3 Bed House11, Y Bryn, Caernarfon, LL55 2UN11, Y Bryn, Caernarfon, LL55 2UN
• Sold Nov 2018£240,000 | 3 Bed House88, Gwel Y Llan, Caernarfon, LL55 2SQ88, Gwel Y Llan, Caernarfon, LL55 2SQ
• Sold Sep 2018£240,000 | 3 Bed House135, Gwel Y Llan, Caernarfon, LL55 2SQ135, Gwel Y Llan, Caernarfon, LL55 2SQ
• Sold Aug 2018£210,000 | 3 Bed House15, Glan Seiont, Caernarfon, LL55 2DX15, Glan Seiont, Caernarfon, LL55 2DX
• Sold Sep 2017£98,000 | 3 Bed House8 Bryn Gof, Caernarfon, LL55 2TA8 Bryn Gof, Caernarfon, LL55 2TA
• Sold Aug 2016£190,000 | 3 Bed House60, Glan Seiont, Caernarfon, LL55 2DX60, Glan Seiont, Caernarfon, LL55 2DX
• Sold Jan 2016£185,000 | 3 Bed House1, Derwen Las, Caernarfon, LL55 2UY1, Derwen Las, Caernarfon, LL55 2UY
• Sold Oct 2014£205,157 | 3 Bed House21, Glan Seiont, Caernarfon, LL55 2DX21, Glan Seiont, Caernarfon, LL55 2DX
• Sold Aug 2012£175,000 | 3 Bed House21, Y Bryn, Caernarfon, LL55 2UN21, Y Bryn, Caernarfon, LL55 2UN
• Sold Jul 2012£190,000 | 3 Bed House70, Glan Seiont, Caernarfon, LL55 2DX70, Glan Seiont, Caernarfon, LL55 2DX
• Sold Feb 2007£190,000 | 3 Bed House65, Glan Seiont, Caernarfon, LL55 2DX65, Glan Seiont, Caernarfon, LL55 2DX

Caeathro, Caernarfon, LL55 has a total of 133 addresses. According to our analysis of all the public data, Yr Onnen, Caernarfon is the 79th largest and the 33rd most expensive property on the street.

When compared to the postcode district it is £110k more expensive than the average property in LL55.

• Llanfairpwll

  |

  11.2 km away
• Bangor (Gwynedd)

  |

  13.6 km away
• Bodorgan

  |

  13.9 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.