According to data from HM Land Registry, Y Twyn, Caernarfon sits on a plot of 322 m².

We have plot size data on 4 out of 5 other houses in the postcode and Y Twyn, Caernarfon sits on the 3rd largest plot.

Y Twyn, Caernarfon has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 03 May 2017.

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

According to HM Land Registry, Y Twyn, Caernarfon was last sold on 6th September 2017 for £183,500 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since September 2017, the market for similar properties has risen by 87.3%.

According to the Land Registry and our network of Estate Agents, there have been 42 sales of properties similar to Y Twyn, Caernarfon within a radius of 510 metres since 2016.

The most recent example is 18, Vaynol Street, Caernarfon, LL55 2RL, a freehold house which sold for £202,500 on the 17th November 2025.

Read more about house prices in LL55.

• Sold Nov 2025£202,500 | 3 Bed House18, Vaynol Street, Caernarfon, LL55 2RL18, Vaynol Street, Caernarfon, LL55 2RL
• Sold Nov 2025£255,000 | 4 Bed House14, Gelert Street, Caernarfon, LL55 2LH14, Gelert Street, Caernarfon, LL55 2LH
• Sold Sep 2025£255,000 | 4 Bed House20, Segontium Road South, Caernarfon, LL55 2LL20, Segontium Road South, Caernarfon, LL55 2LL
• Sold Apr 2025£325,000 | 4 Bed House7, Vaynol Street, Caernarfon, LL55 2RL7, Vaynol Street, Caernarfon, LL55 2RL
• Sold Nov 2024£250,000 | 4 Bed HouseBod Idris, Victoria Road, Caernarfon, LL55 2RHBod Idris, Victoria Road, Caernarfon, LL55 2RH
• Sold Sep 2024£72,000 | 4 Bed HouseHafod, Victoria Road, Caernarfon, LL55 2RHHafod, Victoria Road, Caernarfon, LL55 2RH
• Sold Jul 2024£297,500 | 4 Bed House19, Vaynol Street, Caernarfon, LL55 2RL19, Vaynol Street, Caernarfon, LL55 2RL
• Sold Feb 2024£140,000 | 4 Bed House8, Constantine Road, Caernarfon, LL55 2LF8, Constantine Road, Caernarfon, LL55 2LF
• Sold Jan 2024£190,000 | 4 Bed House18, Dinorwic Street, Caernarfon, LL55 2RG18, Dinorwic Street, Caernarfon, LL55 2RG
• Sold Jul 2023£195,000 | 4 Bed House8, Vaynol Street, Caernarfon, LL55 2RL8, Vaynol Street, Caernarfon, LL55 2RL
• Sold Jul 2023£170,000 | 3 Bed House22, Vaynol Street, Caernarfon, LL55 2RL22, Vaynol Street, Caernarfon, LL55 2RL
• Sold Nov 2022£220,000 | 4 Bed HouseMaen Gwyn, Victoria Road, Caernarfon, LL55 2RHMaen Gwyn, Victoria Road, Caernarfon, LL55 2RH
• Sold Oct 2022£148,000 | 4 Bed HouseBryn Ffynnon, Victoria Road, Caernarfon, LL55 2RHBryn Ffynnon, Victoria Road, Caernarfon, LL55 2RH
• Sold Jun 2022£300,000 | 4 Bed House24, Constantine Road, Caernarfon, LL55 2LF24, Constantine Road, Caernarfon, LL55 2LF
• Sold Dec 2021£194,000 | 4 Bed House2, Segontium Road South, Caernarfon, LL55 2LL2, Segontium Road South, Caernarfon, LL55 2LL
• Sold Oct 2020£215,000 | 4 Bed House25, Vaynol Street, Caernarfon, LL55 2RL25, Vaynol Street, Caernarfon, LL55 2RL
• Sold Feb 2019£229,950 | 4 Bed HouseTharsis Villa, Llanbeblig Road, Caernarfon, LL55 2LNTharsis Villa, Llanbeblig Road, Caernarfon, LL55 2LN
• Sold May 2018£139,000 | 4 Bed House20, Gelert Street, Caernarfon, LL55 2LH20, Gelert Street, Caernarfon, LL55 2LH
• Sold Aug 2016£172,000 | 4 Bed House33, Constantine Road, Caernarfon, LL55 2LF33, Constantine Road, Caernarfon, LL55 2LF
• Sold Feb 2016£155,000 | 4 Bed House22, Segontium Road South, Caernarfon, LL55 2LL22, Segontium Road South, Caernarfon, LL55 2LL

Llanbeblig Road, Caernarfon, LL55 has a total of 51 addresses. According to our analysis of all the public data, Y Twyn, Caernarfon is the 4th largest and the 3rd most expensive property on the street.

When compared to the postcode district it is £34k more expensive than the average property in LL55.

• Llanfairpwll

  |

  10.1 km away
• Bodorgan

  |

  12.6 km away
• Bangor (Gwynedd)

  |

  12.8 km away

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