17, Cwm Silyn, Caernarfon occupies a 208 m² plot as recorded by HM Land Registry.

Of the 26 other houses in this postcode, 15 have recorded plot sizes, and this one ranks as the 11th largest.

17, Cwm Silyn, Caernarfon has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 27 Oct 2009.

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

17, Cwm Silyn, Caernarfon last changed hands on 31st August 2018, selling for £177,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold 3 times since 1995.

The market for similar properties has risen by 22.6% since August 2018.

• Sold Aug 2018£177,000
• Sold Jul 2010£155,000
• Sold Nov 2000£60,000

Land Registry records and our Estate Agent network show 142 sales of comparable properties within 790 metres of 17, Cwm Silyn, Caernarfon since 2014.

Most recently, 46, Ffordd Eryri, Caernarfon, LL55 2UR, a freehold house, sold at £210,000 on the 5th March 2026.

Read more about house prices in LL55.

• Sold Mar 2026£210,000 | 3 Bed House46, Ffordd Eryri, Caernarfon, LL55 2UR46, Ffordd Eryri, Caernarfon, LL55 2UR
• Sold Jan 2026£240,000 | 3 Bed House34, Caeau Bach, Caernarfon, LL55 2BZ34, Caeau Bach, Caernarfon, LL55 2BZ
• Sold Jun 2025£170,000 | 3 Bed House21, Bryn Hyfryd, Caernarfon, LL55 2UU21, Bryn Hyfryd, Caernarfon, LL55 2UU
• Sold Jun 2024£212,500 | 3 Bed House27, Caeau Bach, Caernarfon, LL55 2BZ27, Caeau Bach, Caernarfon, LL55 2BZ
• Sold Feb 2024£182,500 | 3 Bed House58, Tyddyn Llwydyn, Caernarfon, LL55 2LX58, Tyddyn Llwydyn, Caernarfon, LL55 2LX
• Sold Nov 2023£200,000 | 3 Bed House5, Caeau Bach, Caernarfon, LL55 2BZ5, Caeau Bach, Caernarfon, LL55 2BZ
• Sold Jul 2023£205,000 | 3 Bed House57, Ffordd Eryri, Caernarfon, LL55 2UR57, Ffordd Eryri, Caernarfon, LL55 2UR
• Sold Nov 2022£250,000 | 3 Bed House13, Tyddyn Llwydyn, Caernarfon, LL55 2LX13, Tyddyn Llwydyn, Caernarfon, LL55 2LX
• Sold Jan 2022£190,500 | 3 Bed House41, Ffordd Eryri, Caernarfon, LL55 2UR41, Ffordd Eryri, Caernarfon, LL55 2UR
• Sold Dec 2021£265,011 | 3 Bed House28, Tyddyn Llwydyn, Caernarfon, LL55 2LX28, Tyddyn Llwydyn, Caernarfon, LL55 2LX
• Sold Sep 2021£205,000 | 3 Bed House7, Caeau Bach, Caernarfon, LL55 2BZ7, Caeau Bach, Caernarfon, LL55 2BZ
• Sold Jul 2021£197,500 | 3 Bed House27, Ffordd Eryri, Caernarfon, LL55 2UR27, Ffordd Eryri, Caernarfon, LL55 2UR
• Sold Oct 2019£165,000 | 3 Bed House44, Ffordd Eryri, Caernarfon, LL55 2UR44, Ffordd Eryri, Caernarfon, LL55 2UR
• Sold Feb 2019£155,000 | 3 Bed House52, Ffordd Eryri, Caernarfon, LL55 2UR52, Ffordd Eryri, Caernarfon, LL55 2UR
• Sold Feb 2019£143,000 | 3 Bed House10, Lon Cilgwyn, Caernarfon, LL55 2DQ10, Lon Cilgwyn, Caernarfon, LL55 2DQ
• Sold Mar 2018£178,500 | 3 Bed House62, Tyddyn Llwydyn, Caernarfon, LL55 2LX62, Tyddyn Llwydyn, Caernarfon, LL55 2LX
• Sold Dec 2017£178,000 | 3 Bed House50, Ffordd Eryri, Caernarfon, LL55 2UR50, Ffordd Eryri, Caernarfon, LL55 2UR
• Sold Jul 2016£162,000 | 3 Bed House48, Ffordd Eryri, Caernarfon, LL55 2UR48, Ffordd Eryri, Caernarfon, LL55 2UR
• Sold Nov 2015£180,000 | 3 Bed House2, Tyddyn Llwydyn, Caernarfon, LL55 2LX2, Tyddyn Llwydyn, Caernarfon, LL55 2LX
• Sold Aug 2014£170,000 | 3 Bed House8, Tyddyn Llwydyn, Caernarfon, LL55 2LX8, Tyddyn Llwydyn, Caernarfon, LL55 2LX

Our analysis of the public data ranks 17, Cwm Silyn, Caernarfon as the 15th largest and the 16th most expensive of the 26 addresses on Cwm Silyn, Caernarfon, LL55.

Against the LL55 postcode district average, it is £16k more expensive than the typical property.

• Llanfairpwll

  |

  10.5 km away
• Bangor (Gwynedd)

  |

  13.1 km away
• Bodorgan

  |

  13.1 km away

Environment Agency data suggests this area has a Very Low risk of flooding.