According to data from HM Land Registry, 4 Tyn Llan, Caernarfon sits on a plot of 636 m².

We have plot size data on 10 out of 18 other houses in the postcode and 4 Tyn Llan, Caernarfon sits on the 5th largest plot.

4 Tyn Llan, Caernarfon has an Energy Performance Rating (EPC) of F. This is based on the most recent assessment, dated 24 Jan 2022.

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, 4 Tyn Llan, Caernarfon was last sold on 26th April 2023 for £285,000 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since April 2023, the market for similar properties has dropped by 3.1%.

• Sold Apr 2023£285,000

According to the Land Registry and our network of Estate Agents, there have been 81 sales of properties similar to 4 Tyn Llan, Caernarfon within a radius of 3.4 kilometres since 2007.

The most recent example is Bryn Gwyn, Glan Beuno Estate, Caernarfon, LL55 2UB, a freehold house which sold for £320,000 on the 31st October 2025.

Read more about house prices in LL54.

• Sold Oct 2025£320,000 | 4 Bed HouseBryn Gwyn, Glan Beuno Estate, Caernarfon, LL55 2UBBryn Gwyn, Glan Beuno Estate, Caernarfon, LL55 2UB
• Sold Jun 2023£300,000 | 4 Bed HouseY Gorlan, Caernarfon, LL54 7YGY Gorlan, Caernarfon, LL54 7YG
• Sold Jun 2023£299,950 | 3 Bed House9 Cae Capel, Caernarfon, LL55 2EZ9 Cae Capel, Caernarfon, LL55 2EZ
• Sold Dec 2022£299,950 | 3 Bed House32, Y Bryn, Caernarfon, LL55 2UN32, Y Bryn, Caernarfon, LL55 2UN
• Sold Aug 2022£368,000 | 3 Bed HouseCeiri, Caernarfon, LL54 7YGCeiri, Caernarfon, LL54 7YG
• Sold Oct 2021£240,000 | 3 Bed House15 Cae Capel, Caernarfon, LL55 2EZ15 Cae Capel, Caernarfon, LL55 2EZ
• Sold Jul 2021£290,000 | 4 Bed HouseCynlas, Glan Beuno Estate, Caernarfon, LL55 2UBCynlas, Glan Beuno Estate, Caernarfon, LL55 2UB
• Sold Jun 2021£260,000 | 3 Bed HouseAlltwen, Caernarfon, LL54 7YGAlltwen, Caernarfon, LL54 7YG
• Sold Mar 2021£240,000 | 3 Bed House10 Cae Capel, Caernarfon, LL55 2EZ10 Cae Capel, Caernarfon, LL55 2EZ
• Sold Mar 2019£225,000 | 3 Bed House11, Y Bryn, Caernarfon, LL55 2UN11, Y Bryn, Caernarfon, LL55 2UN
• Sold Apr 2017£162,000 | 3 Bed HouseY Fedwen, Caernarfon, LL54 7YHY Fedwen, Caernarfon, LL54 7YH
• Sold Jun 2016£219,000 | 3 Bed HouseGwenfro, Caernarfon, LL54 7YGGwenfro, Caernarfon, LL54 7YG
• Sold Dec 2014£168,000 | 3 Bed HouseGwynfa, Caernarfon, LL54 7YGGwynfa, Caernarfon, LL54 7YG
• Sold Oct 2014£179,500 | 3 Bed House28, Glanrafon Estate, Caernarfon, LL55 2UW28, Glanrafon Estate, Caernarfon, LL55 2UW
• Sold Aug 2012£175,000 | 3 Bed House21, Y Bryn, Caernarfon, LL55 2UN21, Y Bryn, Caernarfon, LL55 2UN
• Sold Jan 2012£160,000 | 3 Bed House16, Glanrafon Estate, Caernarfon, LL55 2UW16, Glanrafon Estate, Caernarfon, LL55 2UW
• Sold Apr 2011£155,000 | 3 Bed House1, Glanrhyd, Caernarfon, LL54 7YP1, Glanrhyd, Caernarfon, LL54 7YP
• Sold Jul 2010£176,500 | 3 Bed HouseGlasfryn, Caernarfon, LL54 7YGGlasfryn, Caernarfon, LL54 7YG
• Sold Feb 2010£205,000 | 3 Bed HouseDerwen Deg, Caernarfon, LL54 7YNDerwen Deg, Caernarfon, LL54 7YN
• Sold May 2007£185,000 | 3 Bed HouseGwyddfor, Caernarfon, LL54 7YHGwyddfor, Caernarfon, LL54 7YH

Dinas, Caernarfon, LL54 has a total of 74 addresses. According to our analysis of all the public data, 4 Tyn Llan, Caernarfon is the 47th largest and the 30th most expensive property on the street.

When compared to the postcode district it is £59k more expensive than the average property in LL54.

• Llanfairpwll

  |

  13.9 km away
• Bodorgan

  |

  14.5 km away
• Bangor (Gwynedd)

  |

  16.4 km away

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