According to data from HM Land Registry, 16, Lon Cefn Du, Caernarfon sits on a plot of 197 m².

We have plot size data on 6 out of 20 other houses in the postcode and 16, Lon Cefn Du, Caernarfon sits on the 5th largest plot.

16, Lon Cefn Du, Caernarfon has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 18 Mar 2010.

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, 16, Lon Cefn Du, Caernarfon was last sold on 15th October 2010 for £89,950 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since October 2010, the market for similar properties has risen by 112.5%.

• Sold Oct 2010£89,950

According to the Land Registry and our network of Estate Agents, there have been 62 sales of properties similar to 16, Lon Cefn Du, Caernarfon within a radius of 610 metres since 2010.

The most recent example is 47, Assheton Terrace, Caernarfon, LL55 2LD, a freehold house which sold for £146,250 on the 20th February 2026.

Read more about house prices in LL55.

• Sold Feb 2026£146,250 | 3 Bed House47, Assheton Terrace, Caernarfon, LL55 2LD47, Assheton Terrace, Caernarfon, LL55 2LD
• Sold Nov 2025£140,000 | 3 Bed House21, Lon Eilian, Caernarfon, LL55 2EG21, Lon Eilian, Caernarfon, LL55 2EG
• Sold Aug 2025£138,500 | 3 Bed House2, Llys Y Foel, Caernarfon, LL55 2LU2, Llys Y Foel, Caernarfon, LL55 2LU
• Sold Oct 2024£136,500 | 3 Bed House6, St. Helens Street, Caernarfon, LL55 2HU6, St. Helens Street, Caernarfon, LL55 2HU
• Sold Jun 2024£90,000 | 3 Bed House9, Assheton Terrace, Caernarfon, LL55 2LD9, Assheton Terrace, Caernarfon, LL55 2LD
• Sold Jun 2024£156,350 | 3 Bed House57, Lon Eilian, Caernarfon, LL55 2EG57, Lon Eilian, Caernarfon, LL55 2EG
• Sold Apr 2024£135,000 | 3 Bed House9, Beulah Square, Caernarfon, LL55 2LA9, Beulah Square, Caernarfon, LL55 2LA
• Sold Mar 2024£138,600 | 3 Bed House5, Assheton Terrace, Caernarfon, LL55 2LD5, Assheton Terrace, Caernarfon, LL55 2LD
• Sold Nov 2023£58,000 | 3 Bed House27, Ffordd Cibyn, Caernarfon, LL55 2EB27, Ffordd Cibyn, Caernarfon, LL55 2EB
• Sold Sep 2023£156,500 | 3 Bed House14, Llys Siabod, Caernarfon, LL55 2LT14, Llys Siabod, Caernarfon, LL55 2LT
• Sold Jun 2023£120,000 | 3 Bed House4, Beulah Square, Caernarfon, LL55 2LA4, Beulah Square, Caernarfon, LL55 2LA
• Sold Jan 2020£130,000 | 3 Bed House24, Llys Y Foel, Caernarfon, LL55 2LU24, Llys Y Foel, Caernarfon, LL55 2LU
• Sold Dec 2016£95,000 | 3 Bed House10, Cil Coed, Caernarfon, LL55 2DP10, Cil Coed, Caernarfon, LL55 2DP
• Sold Dec 2015£90,000 | 3 Bed House6, Cil Coed, Caernarfon, LL55 2DP6, Cil Coed, Caernarfon, LL55 2DP
• Sold Feb 2015£88,000 | 3 Bed House49, Lon Eilian, Caernarfon, LL55 2EG49, Lon Eilian, Caernarfon, LL55 2EG
• Sold Jan 2015£80,000 | 3 Bed House7, Cil Coed, Caernarfon, LL55 2DP7, Cil Coed, Caernarfon, LL55 2DP
• Sold Aug 2014£104,000 | 3 Bed House8, Lon Ty Gwyn, Caernarfon, LL55 2EH8, Lon Ty Gwyn, Caernarfon, LL55 2EH
• Sold Mar 2012£96,000 | 3 Bed House6, Lon Helen, Caernarfon, LL55 2EW6, Lon Helen, Caernarfon, LL55 2EW
• Sold Nov 2011£93,000 | 3 Bed House53, Lon Eilian, Caernarfon, LL55 2EG53, Lon Eilian, Caernarfon, LL55 2EG
• Sold May 2010£105,000 | 3 Bed House7, Lon Eilian, Caernarfon, LL55 2EG7, Lon Eilian, Caernarfon, LL55 2EG

Lon Cefn Du, Caernarfon, LL55 has a total of 20 addresses. According to our analysis of all the public data, 16, Lon Cefn Du, Caernarfon is the 5th largest and the 5th most expensive property on the street.

When compared to the postcode district it is £84k less expensive than the average property in LL55.

• Llanfairpwll

  |

  10.0 km away
• Bangor (Gwynedd)

  |

  12.6 km away
• Bodorgan

  |

  12.9 km away

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