According to data from HM Land Registry, Bryn Dyffryn, Caernarfon sits on a plot of 326 m².

We have plot size data on 4 out of 9 other houses in the postcode and Bryn Dyffryn, Caernarfon sits on the 3rd largest plot.

Bryn Dyffryn, Caernarfon has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 13 Jun 2022.

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

According to HM Land Registry, Bryn Dyffryn, Caernarfon was last sold on 6th December 2022 for £170,000 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since December 2022, the market for similar properties has dropped by 13.4%.

• Sold Dec 2022£170,000

According to the Land Registry and our network of Estate Agents, there have been 41 sales of properties similar to Bryn Dyffryn, Caernarfon within a radius of 2.6 kilometres since 2008.

The most recent example is 23, Rhiwlas Road, Caernarfon, LL54 6HU, a freehold house which sold for £140,000 on the 26th February 2026.

Read more about house prices in LL54.

• Sold Feb 2026£140,000 | 3 Bed House23, Rhiwlas Road, Caernarfon, LL54 6HU23, Rhiwlas Road, Caernarfon, LL54 6HU
• Sold Sep 2025£165,000 | 3 Bed House3, Blue Bell, Caernarfon, LL54 6LG3, Blue Bell, Caernarfon, LL54 6LG
• Sold Apr 2025£195,000 | 3 Bed House12, Dyffryn Terrace, Caernarfon, LL54 7TL12, Dyffryn Terrace, Caernarfon, LL54 7TL
• Sold Apr 2025£145,000 | 2 Bed House2 Bryn Neuadd, Caernarfon, LL54 7ST2 Bryn Neuadd, Caernarfon, LL54 7ST
• Sold Mar 2023£140,000 | 3 Bed House5 Tyn Y Weirglodd, Lon Llainffynnon, Caernarfon, LL54 7TT5 Tyn Y Weirglodd, Lon Llainffynnon, Caernarfon, LL54 7TT
• Sold Dec 2022£140,000 | 2 Bed House2 Trallwyn Terrace, Caernarfon, LL54 7SB2 Trallwyn Terrace, Caernarfon, LL54 7SB
• Sold Jul 2022£80,000 | 2 Bed House29, Y Grugan, Caernarfon, LL54 7TA29, Y Grugan, Caernarfon, LL54 7TA
• Sold Jul 2022£145,000 | 2 Bed House35, Y Grugan, Caernarfon, LL54 7TA35, Y Grugan, Caernarfon, LL54 7TA
• Sold Aug 2021£150,000 | 2 Bed House34, Y Grugan, Caernarfon, LL54 7TA34, Y Grugan, Caernarfon, LL54 7TA
• Sold Jul 2021£162,500 | 2 Bed House27, Y Grugan, Caernarfon, LL54 7TA27, Y Grugan, Caernarfon, LL54 7TA
• Sold Mar 2021£143,000 | 2 Bed House23, Y Grugan, Caernarfon, LL54 7TA23, Y Grugan, Caernarfon, LL54 7TA
• Sold Apr 2020£120,000 | 3 Bed House3, Dol Elen, Caernarfon, LL54 7TN3, Dol Elen, Caernarfon, LL54 7TN
• Sold Aug 2019£145,000 | 2 Bed House4 Llain Ffynnon, Lon Llainffynnon, Caernarfon, LL54 7TS4 Llain Ffynnon, Lon Llainffynnon, Caernarfon, LL54 7TS
• Sold Jul 2019£77,000 | 2 Bed HouseAshgrove, Caernarfon, LL54 7STAshgrove, Caernarfon, LL54 7ST
• Sold Jun 2019£98,000 | 3 Bed House2 Pisgah Terrace, Caernarfon, LL54 7RL2 Pisgah Terrace, Caernarfon, LL54 7RL
• Sold Jan 2019£122,500 | 2 Bed House5 Trallwyn Terrace, Caernarfon, LL54 7SB5 Trallwyn Terrace, Caernarfon, LL54 7SB
• Sold Jun 2016£111,000 | 2 Bed HouseGwyneddfa, Caernarfon, LL54 7DRGwyneddfa, Caernarfon, LL54 7DR
• Sold Oct 2011£112,500 | 3 Bed House1 Bryn Neuadd, Caernarfon, LL54 7ST1 Bryn Neuadd, Caernarfon, LL54 7ST
• Sold May 2011£96,000 | 2 Bed House1 Tan Y Bryn, Lon Llainffynnon, Caernarfon, LL54 7TP1 Tan Y Bryn, Lon Llainffynnon, Caernarfon, LL54 7TP
• Sold Jul 2008£108,750 | 2 Bed HouseBod Awel, Caernarfon, LL54 7DRBod Awel, Caernarfon, LL54 7DR

Groeslon, Caernarfon, LL54 has a total of 284 addresses. According to our analysis of all the public data, Bryn Dyffryn, Caernarfon is the 263rd largest and the 244th most expensive property on the street.

When compared to the postcode district it is £69k less expensive than the average property in LL54.

• Llanfairpwll

  |

  16.8 km away
• Criccieth

  |

  17.4 km away
• Bodorgan

  |

  17.7 km away

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