According to data from HM Land Registry, Llwyn Celyn, Caernarfon sits on a plot of 11,856 m².

We have plot size data on 8 out of 9 other houses in the postcode and Llwyn Celyn, Caernarfon sits on the 2nd largest plot.

Llwyn Celyn, Caernarfon has an Energy Performance Rating (EPC) of G. This is based on the most recent assessment, dated 18 Nov 2009.

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

According to HM Land Registry, Llwyn Celyn, Caernarfon was last sold on 19th November 2019 for £275,000 and was recorded as a freehold house.

The property has had 2 sales since 1995.

Since November 2019, the market for similar properties has risen by 11.0%.

• Sold Nov 2019£275,000
• Sold Sep 2010£225,000

According to the Land Registry and our network of Estate Agents, there have been 17 sales of properties similar to Llwyn Celyn, Caernarfon within a radius of 2.0 kilometres since 2011.

The most recent example is 124, Gwel Y Llan, Caernarfon, LL55 2SQ, a freehold house which sold for £339,950 on the 17th November 2025.

Read more about house prices in LL55.

• Sold Nov 2025£339,950 | 3 Bed House124, Gwel Y Llan, Caernarfon, LL55 2SQ124, Gwel Y Llan, Caernarfon, LL55 2SQ
• Sold Jul 2025£335,000 | 3 Bed House74, Gwel Y Llan, Caernarfon, LL55 2SJ74, Gwel Y Llan, Caernarfon, LL55 2SJ
• 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 Apr 2023£340,000 | 3 Bed HouseYr Onnen, Caernarfon, LL55 2TEYr Onnen, Caernarfon, LL55 2TE
• 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 Apr 2019£250,000 | 3 Bed House7, Stad Glandwr, Caernarfon, LL55 2PL7, Stad Glandwr, Caernarfon, LL55 2PL
• 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 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 Nov 2015£245,000 | 3 Bed HouseGlan Gwna Bach, Caernarfon, LL55 2SLGlan Gwna Bach, Caernarfon, LL55 2SL
• Sold Oct 2014£205,157 | 3 Bed House21, Glan Seiont, Caernarfon, LL55 2DX21, Glan Seiont, Caernarfon, LL55 2DX
• Sold Jan 2014£125,000 | 3 Bed House6 Bryn Gof, Caernarfon, LL55 2TA6 Bryn Gof, Caernarfon, LL55 2TA
• Sold Jul 2012£190,000 | 3 Bed House70, Glan Seiont, Caernarfon, LL55 2DX70, Glan Seiont, Caernarfon, LL55 2DX
• Sold Aug 2011£135,000 | 3 Bed House9 Bryn Gof, Caernarfon, LL55 2TA9 Bryn Gof, Caernarfon, LL55 2TA

Caeathro, Caernarfon, LL55 has a total of 133 addresses. According to our analysis of all the public data, Llwyn Celyn, Caernarfon is the 95th largest and the 31st most expensive property on the street.

When compared to the postcode district it is £115k more expensive than the average property in LL55.

• Llanfairpwll

  |

  10.7 km away
• Bangor (Gwynedd)

  |

  12.6 km away
• Bodorgan

  |

  14.8 km away

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