HM Land Registry records the plot of land for 1, Gallt Y Sil, Caernarfon as measuring 131 m².

That makes it the largest plot in the postcode, where 1 of the 25 other houses have recorded plot data.

1, Gallt Y Sil, Caernarfon has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 13 Aug 2013.

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

The most recent sale of 1, Gallt Y Sil, Caernarfon completed on 4th March 2016 at £138,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 the property has sold 3 times.

Values of comparable properties have risen by 33.8% over the period since March 2016.

• Sold Mar 2016£138,000
• Sold Apr 2004£70,000
• Sold Apr 2004£42,000

Since 2014 70 properties similar to 1, Gallt Y Sil, Caernarfon have sold within a radius of 730 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 16th January 2026, was 81, Ffordd Eryri, Caernarfon, LL55 2UR, a freehold house which sold for £232,000.

Read more about house prices in LL55.

• Sold Jan 2026£232,000 | 3 Bed House81, Ffordd Eryri, Caernarfon, LL55 2UR81, Ffordd Eryri, Caernarfon, LL55 2UR
• Sold Dec 2025£225,000 | 3 Bed House4, Cae'R Ysgol, Caernarfon, LL55 2LY4, Cae'R Ysgol, Caernarfon, LL55 2LY
• Sold Dec 2025£221,500 | 3 Bed House34, Maes Meddyg, Caernarfon, LL55 2SF34, Maes Meddyg, Caernarfon, LL55 2SF
• Sold Aug 2025£235,000 | 3 Bed House5, Cae'R Ysgol, Caernarfon, LL55 2LY5, Cae'R Ysgol, Caernarfon, LL55 2LY
• Sold Nov 2024£265,000 | 3 Bed House10, Bryn Eilian, Caernarfon, LL55 2RX10, Bryn Eilian, Caernarfon, LL55 2RX
• Sold Aug 2024£230,000 | 3 Bed House8, Moel Eilio, Caernarfon, LL55 2LZ8, Moel Eilio, Caernarfon, LL55 2LZ
• Sold Apr 2021£224,000 | 3 Bed House3, Gwel Y Llan, Caernarfon, LL55 2SJ3, Gwel Y Llan, Caernarfon, LL55 2SJ
• Sold Dec 2020£172,500 | 3 Bed House33, Maes Meddyg, Caernarfon, LL55 2SF33, Maes Meddyg, Caernarfon, LL55 2SF
• Sold Sep 2020£168,125 | 3 Bed House80, Ffordd Eryri, Caernarfon, LL55 2UR80, Ffordd Eryri, Caernarfon, LL55 2UR
• Sold Mar 2020£177,500 | 3 Bed House77, Ffordd Eryri, Caernarfon, LL55 2UR77, Ffordd Eryri, Caernarfon, LL55 2UR
• Sold Mar 2020£177,500 | 3 Bed House76, Ffordd Eryri, Caernarfon, LL55 2UR76, Ffordd Eryri, Caernarfon, LL55 2UR
• Sold Jun 2017£122,000 | 3 Bed House118, Gwel Y Llan, Caernarfon, LL55 2SQ118, Gwel Y Llan, Caernarfon, LL55 2SQ
• Sold Jun 2017£122,000 | 3 Bed House117, Gwel Y Llan, Caernarfon, LL55 2SQ117, Gwel Y Llan, Caernarfon, LL55 2SQ
• Sold Jun 2017£122,000 | 3 Bed House116, Gwel Y Llan, Caernarfon, LL55 2SQ116, Gwel Y Llan, Caernarfon, LL55 2SQ
• Sold May 2017£140,000 | 3 Bed House109, Gwel Y Llan, Caernarfon, LL55 2SQ109, Gwel Y Llan, Caernarfon, LL55 2SQ
• Sold May 2017£122,000 | 3 Bed House110, Gwel Y Llan, Caernarfon, LL55 2SQ110, Gwel Y Llan, Caernarfon, LL55 2SQ
• Sold May 2017£122,000 | 3 Bed House111, Gwel Y Llan, Caernarfon, LL55 2SQ111, Gwel Y Llan, Caernarfon, LL55 2SQ
• Sold Apr 2016£173,000 | 3 Bed House5, Gwel Y Llan, Caernarfon, LL55 2SJ5, Gwel Y Llan, Caernarfon, LL55 2SJ
• Sold Jun 2015£158,500 | 3 Bed House37, Maes Meddyg, Caernarfon, LL55 2SF37, Maes Meddyg, Caernarfon, LL55 2SF
• Sold May 2014£128,500 | 3 Bed House44, Maes Meddyg, Caernarfon, LL55 2SF44, Maes Meddyg, Caernarfon, LL55 2SF

Of the 47 addresses on Gallt Y Sil, Caernarfon, LL55, 1, Gallt Y Sil, Caernarfon comes out as the 24th largest and the 28th most expensive in our analysis of the public data.

It is also £20k less expensive than the average property across the LL55 district.

• Llanfairpwll

  |

  10.2 km away
• Bangor (Gwynedd)

  |

  12.8 km away
• Bodorgan

  |

  13.2 km away

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