According to data from HM Land Registry, 1 Llwyn Onn, Caernarfon sits on a plot of 638 m².

We have plot size data on 5 out of 8 other houses in the postcode and 1 Llwyn Onn, Caernarfon sits on the 4th largest plot.

According to HM Land Registry, 1 Llwyn Onn, Caernarfon was last sold on 11th January 2008 for £160,000 and was recorded as a freehold house.

The property has had 2 sales since 1995.

Since January 2008, the market for similar properties has risen by 36.7%.

• Sold Jan 2008£160,000
• Sold Dec 2000£36,000

According to the Land Registry and our network of Estate Agents, there have been 71 sales of properties similar to 1 Llwyn Onn, Caernarfon within a radius of 2.8 kilometres since 2008.

The most recent example is 20, Cefn Dyffryn, Caernarfon, LL54 7TQ, a freehold house which sold for £212,000 on the 28th April 2026.

Read more about house prices in LL54.

• Sold Apr 2026£212,000 | 3 Bed House20, Cefn Dyffryn, Caernarfon, LL54 7TQ20, Cefn Dyffryn, Caernarfon, LL54 7TQ
• Sold Oct 2024£245,000 | 3 Bed House5 Rhes Gosen, Lon Llainffynnon, Caernarfon, LL54 7TR5 Rhes Gosen, Lon Llainffynnon, Caernarfon, LL54 7TR
• Sold Jul 2024£240,000 | 3 Bed House3, Y Grugan, Caernarfon, LL54 7TA3, Y Grugan, Caernarfon, LL54 7TA
• Sold Dec 2023£180,000 | 3 Bed HouseCae'R Glyn, Y Grugan, Caernarfon, LL54 7TACae'R Glyn, Y Grugan, Caernarfon, LL54 7TA
• Sold Sep 2022£220,000 | 3 Bed House13, Ffordd Iago, Caernarfon, LL54 7DH13, Ffordd Iago, Caernarfon, LL54 7DH
• Sold Jun 2021£210,000 | 3 Bed House30, Y Grugan, Caernarfon, LL54 7TA30, Y Grugan, Caernarfon, LL54 7TA
• Sold Jan 2021£195,000 | 3 Bed House12, Y Grugan, Caernarfon, LL54 7TA12, Y Grugan, Caernarfon, LL54 7TA
• Sold Oct 2020£185,000 | 3 Bed HouseEithinog, Bryn Glas, Caernarfon, LL54 7TBEithinog, Bryn Glas, Caernarfon, LL54 7TB
• Sold Nov 2018£175,000 | 3 Bed HouseMonfa, Caernarfon, LL54 7STMonfa, Caernarfon, LL54 7ST
• Sold May 2018£155,000 | 3 Bed House21 Cae Sarn, Caernarfon, LL54 7TW21 Cae Sarn, Caernarfon, LL54 7TW
• Sold Jul 2017£147,000 | 3 Bed House16, Y Grugan, Caernarfon, LL54 7TA16, Y Grugan, Caernarfon, LL54 7TA
• Sold Oct 2016£155,000 | 3 Bed HouseTrem Arfon, Y Grugan, Caernarfon, LL54 7TATrem Arfon, Y Grugan, Caernarfon, LL54 7TA
• Sold Jun 2016£155,000 | 3 Bed HouseTy Clyd, Caernarfon, LL54 7BFTy Clyd, Caernarfon, LL54 7BF
• Sold Nov 2013£148,000 | 3 Bed House14, Y Grugan, Caernarfon, LL54 7TA14, Y Grugan, Caernarfon, LL54 7TA
• Sold Jan 2013£160,000 | 3 Bed House19, Cefn Dyffryn, Caernarfon, LL54 7TQ19, Cefn Dyffryn, Caernarfon, LL54 7TQ
• Sold Sep 2012£180,000 | 3 Bed HouseGlasfryn, Caernarfon, LL54 7STGlasfryn, Caernarfon, LL54 7ST
• Sold Jun 2010£143,000 | 3 Bed House21, Cefn Dyffryn, Caernarfon, LL54 7TQ21, Cefn Dyffryn, Caernarfon, LL54 7TQ
• Sold Mar 2010£138,500 | 3 Bed House13 Cae Bryn, Caernarfon, LL54 7SU13 Cae Bryn, Caernarfon, LL54 7SU
• Sold Oct 2009£154,000 | 3 Bed House16, Cefn Dyffryn, Caernarfon, LL54 7TQ16, Cefn Dyffryn, Caernarfon, LL54 7TQ
• Sold Aug 2008£130,000 | 3 Bed HouseIslwyn, Caernarfon, LL54 7STIslwyn, Caernarfon, LL54 7ST

Groeslon, Caernarfon, LL54 has a total of 284 addresses. According to our analysis of all the public data, 1 Llwyn Onn, Caernarfon is the 146th largest and the 150th most expensive property on the street.

When compared to the postcode district it is £1k less expensive than the average property in LL54.

• Llanfairpwll

  |

  16.5 km away
• Bodorgan

  |

  16.8 km away
• Criccieth

  |

  18.0 km away

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