23, Cwm Silyn, Caernarfon has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 01 Jul 2011.

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

Since 2014 149 properties similar to 23, Cwm Silyn, Caernarfon have sold within a radius of 780 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 5th March 2026, was 46, Ffordd Eryri, Caernarfon, LL55 2UR, a freehold house which sold for £210,000.

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 Dec 2023£250,000 | 3 Bed House26, Cwm Silyn, Caernarfon, LL55 2AG26, Cwm Silyn, Caernarfon, LL55 2AG
• 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 Jun 2022£295,000 | 3 Bed House3, Caeau Bach, Caernarfon, LL55 2BZ3, Caeau Bach, Caernarfon, LL55 2BZ
• 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 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

Of the 26 addresses on Cwm Silyn, Caernarfon, LL55, 23, Cwm Silyn, Caernarfon comes out as the 19th largest and the 14th most expensive in our analysis of the public data.

It is also £18k more expensive than the average property across the LL55 district.

• Llanfairpwll

  |

  10.5 km away
• Bangor (Gwynedd)

  |

  13.1 km away
• Bodorgan

  |

  13.1 km away

The flood risk here is rated Very Low, based on Environment Agency data.