According to data from HM Land Registry, Wernlas Ddu, Caernarfon sits on a plot of 13,339 m².

We have plot size data on 5 out of 6 other houses in the postcode and Wernlas Ddu, Caernarfon sits on the 2nd largest plot.

Wernlas Ddu, Caernarfon has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 09 Jul 2014.

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 the Land Registry and our network of Estate Agents, there have been 16 sales of properties similar to Wernlas Ddu, Caernarfon within a radius of 3.2 kilometres since 2012.

The most recent example is Ty'R Groes, Caernarfon, LL54 5RD, a freehold house which sold for £74,000 on the 19th September 2025.

Read more about house prices in LL54.

• Sold Sep 2025£74,000 | 5 Bed HouseTy'R Groes, Caernarfon, LL54 5RDTy'R Groes, Caernarfon, LL54 5RD
• Sold Apr 2025£535,000 | 4 Bed HouseGernant, Caernarfon, LL54 5UEGernant, Caernarfon, LL54 5UE
• Sold Aug 2024£480,000 | 5 Bed HouseMorogoro, Caernarfon, LL54 5UBMorogoro, Caernarfon, LL54 5UB
• Sold Jul 2023£1,000 | 5 Bed House1 Magdalen Terrace, Caernarfon, LL54 5RD1 Magdalen Terrace, Caernarfon, LL54 5RD
• Sold Sep 2022£445,000 | 5 Bed HouseTan Y Gaer, Caernarfon, LL54 7LETan Y Gaer, Caernarfon, LL54 7LE
• Sold Jul 2022£1,170,000 | 5 Bed HouseHafoty, Caernarfon, LL54 7PHHafoty, Caernarfon, LL54 7PH
• Sold Nov 2020£380,000 | 5 Bed HouseLlain Ffynnon, Caernarfon, LL54 5RBLlain Ffynnon, Caernarfon, LL54 5RB
• Sold Oct 2020£410,000 | 5 Bed HouseBryn Meddyg, Caernarfon, LL54 7LBBryn Meddyg, Caernarfon, LL54 7LB
• Sold Jul 2020£368,000 | 5 Bed HouseCeunant, Caernarfon, LL54 7LUCeunant, Caernarfon, LL54 7LU
• Sold Mar 2020£440,000 | 5 Bed HouseBryn Beddau, Caernarfon, LL54 7YEBryn Beddau, Caernarfon, LL54 7YE
• Sold Feb 2018£360,000 | 5 Bed HouseGlanrafon Fawr, Caernarfon, LL54 5RDGlanrafon Fawr, Caernarfon, LL54 5RD
• Sold Aug 2016£390,000 | 5 Bed HouseTan Y Marian, Pen Y Bryn, Caernarfon, LL55 2YTTan Y Marian, Pen Y Bryn, Caernarfon, LL55 2YT
• Sold Jul 2016£310,000 | 5 Bed HouseTrewyndaf, Caernarfon, LL54 5UBTrewyndaf, Caernarfon, LL54 5UB
• Sold Jun 2015£400,000 | 5 Bed HouseBenar, Caernarfon, LL54 7YHBenar, Caernarfon, LL54 7YH
• Sold Apr 2014£338,000 | 5 Bed HouseAfallon, Caernarfon, LL54 7NGAfallon, Caernarfon, LL54 7NG
• Sold Mar 2012£160,000 | 5 Bed HouseThe Old Smithy, Caernarfon, LL54 7EFThe Old Smithy, Caernarfon, LL54 7EF

Rhostryfan, Caernarfon, LL54 has a total of 260 addresses. According to our analysis of all the public data, Wernlas Ddu, Caernarfon is the 13th largest and the 12th most expensive property on the street.

When compared to the postcode district it is £241k more expensive than the average property in LL54.

• Llanfairpwll

  |

  13.6 km away
• Bangor (Gwynedd)

  |

  15.5 km away
• Bodorgan

  |

  15.9 km away

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