HM Land Registry records the plot of land for 11, Lon Oleuwen, Caernarfon as measuring 455 m².

That makes it the 3rd largest plot in the postcode, where 3 of the 18 other houses have recorded plot data.

11, Lon Oleuwen, Caernarfon has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 17 Jun 2024.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

The most recent sale of 11, Lon Oleuwen, Caernarfon completed on 17th October 2025 at £330,000 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 dropped by 8.9% over the period since October 2025.

• Sold Oct 2025£330,000

Since 2008 39 properties similar to 11, Lon Oleuwen, Caernarfon have sold within a radius of 740 metres, per the Land Registry and our network of Estate Agents.

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

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 Sep 2025£280,000 | 3 Bed House27, Gwel Y Llan, Caernarfon, LL55 2SJ27, Gwel Y Llan, Caernarfon, LL55 2SJ
• Sold Mar 2024£330,000 | 4 Bed House8, Pen Morfa, Caernarfon, LL55 2DJ8, Pen Morfa, Caernarfon, LL55 2DJ
• Sold Jul 2023£275,000 | 3 Bed House25, Gwel Y Llan, Caernarfon, LL55 2SJ25, Gwel Y Llan, Caernarfon, LL55 2SJ
• Sold Nov 2022£308,888 | 4 Bed House24, Ffordd Eryri, Caernarfon, LL55 2UR24, Ffordd Eryri, Caernarfon, LL55 2UR
• Sold Feb 2022£251,500 | 3 Bed House20, Gwel Y Llan, Caernarfon, LL55 2SJ20, Gwel Y Llan, Caernarfon, LL55 2SJ
• 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 Nov 2021£250,000 | 3 Bed House35, Gwel Y Llan, Caernarfon, LL55 2SJ35, Gwel Y Llan, Caernarfon, LL55 2SJ
• Sold Jun 2021£250,000 | 3 Bed House34, Gwel Y Llan, Caernarfon, LL55 2SJ34, Gwel Y Llan, Caernarfon, LL55 2SJ
• Sold Oct 2020£275,000 | 4 Bed House3, Cae'R Ysgol, Caernarfon, LL55 2LY3, Cae'R Ysgol, Caernarfon, LL55 2LY
• Sold Jan 2020£219,000 | 3 Bed House26, Gwel Y Llan, Caernarfon, LL55 2SJ26, Gwel Y Llan, Caernarfon, LL55 2SJ
• Sold Dec 2019£219,000 | 3 Bed House28, Gwel Y Llan, Caernarfon, LL55 2SJ28, Gwel Y Llan, Caernarfon, LL55 2SJ
• Sold Dec 2019£219,000 | 3 Bed House29, Gwel Y Llan, Caernarfon, LL55 2SJ29, Gwel Y Llan, Caernarfon, LL55 2SJ
• Sold Dec 2019£219,000 | 3 Bed House30, Gwel Y Llan, Caernarfon, LL55 2SJ30, Gwel Y Llan, Caernarfon, LL55 2SJ
• Sold Aug 2018£210,000 | 3 Bed House15, Glan Seiont, Caernarfon, LL55 2DX15, Glan Seiont, Caernarfon, LL55 2DX
• Sold Aug 2016£190,000 | 3 Bed House60, Glan Seiont, Caernarfon, LL55 2DX60, Glan Seiont, Caernarfon, LL55 2DX
• Sold Jul 2012£190,000 | 3 Bed House70, Glan Seiont, Caernarfon, LL55 2DX70, Glan Seiont, Caernarfon, LL55 2DX
• Sold Jan 2008£200,000 | 3 Bed House22, Llys Y Garn, Caernarfon, LL55 2UT22, Llys Y Garn, Caernarfon, LL55 2UT

Of the 18 addresses on Lon Oleuwen, Caernarfon, LL55, 11, Lon Oleuwen, Caernarfon comes out as the 3rd largest and the 3rd most expensive in our analysis of the public data.

It is also £104k more expensive than the average property across the LL55 district.

• Llanfairpwll

  |

  10.5 km away
• Bodorgan

  |

  12.9 km away
• Bangor (Gwynedd)

  |

  13.2 km away

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