According to data from HM Land Registry, 23, Segontium Terrace, Caernarfon sits on a plot of 90 m².

We have plot size data on 9 out of 11 other houses in the postcode and 23, Segontium Terrace, Caernarfon sits on the 8th largest plot.

23, Segontium Terrace, Caernarfon has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 22 Jun 2022.

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, 23, Segontium Terrace, Caernarfon was last sold on 8th October 2001 for £53,000 and was recorded as a freehold house.

The property has had 2 sales since 1995.

• Sold Oct 2001£53,000
• Sold Nov 2000£34,500

According to the Land Registry and our network of Estate Agents, there have been 57 sales of properties similar to 23, Segontium Terrace, Caernarfon within a radius of 640 metres since 2018.

The most recent example is 21, Market Street, Caernarfon, LL55 1RT, a freehold house which sold for £210,000 on the 11th May 2026.

Read more about house prices in LL55.

• Sold May 2026£210,000 | 4 Bed House21, Market Street, Caernarfon, LL55 1RT21, Market Street, Caernarfon, LL55 1RT
• Sold Nov 2025£255,000 | 4 Bed House14, Gelert Street, Caernarfon, LL55 2LH14, Gelert Street, Caernarfon, LL55 2LH
• Sold Sep 2025£255,000 | 4 Bed House20, Segontium Road South, Caernarfon, LL55 2LL20, Segontium Road South, Caernarfon, LL55 2LL
• Sold Jun 2025£274,000 | 4 Bed House2, Constantine Road, Caernarfon, LL55 2LF2, Constantine Road, Caernarfon, LL55 2LF
• Sold Jun 2025£247,500 | 4 Bed House13, Segontium Road South, Caernarfon, LL55 2LL13, Segontium Road South, Caernarfon, LL55 2LL
• Sold Apr 2025£325,000 | 4 Bed House7, Vaynol Street, Caernarfon, LL55 2RL7, Vaynol Street, Caernarfon, LL55 2RL
• Sold Jul 2024£297,500 | 4 Bed House19, Vaynol Street, Caernarfon, LL55 2RL19, Vaynol Street, Caernarfon, LL55 2RL
• Sold Feb 2024£140,000 | 4 Bed House8, Constantine Road, Caernarfon, LL55 2LF8, Constantine Road, Caernarfon, LL55 2LF
• Sold Jan 2024£190,000 | 4 Bed House18, Dinorwic Street, Caernarfon, LL55 2RG18, Dinorwic Street, Caernarfon, LL55 2RG
• Sold Oct 2023£252,000 | 4 Bed House11, Segontium Road South, Caernarfon, LL55 2LL11, Segontium Road South, Caernarfon, LL55 2LL
• Sold Sep 2023£275,000 | 4 Bed House16, Constantine Road, Caernarfon, LL55 2LF16, Constantine Road, Caernarfon, LL55 2LF
• Sold Feb 2022£135,000 | 4 Bed House33, Dinorwic Street, Caernarfon, LL55 2RG33, Dinorwic Street, Caernarfon, LL55 2RG
• Sold Jan 2022£272,500 | 4 Bed House5, Vaynol Street, Caernarfon, LL55 2RL5, Vaynol Street, Caernarfon, LL55 2RL
• Sold Oct 2021£220,000 | 4 Bed House14, Dinorwic Street, Caernarfon, LL55 2RG14, Dinorwic Street, Caernarfon, LL55 2RG
• Sold Nov 2019£165,500 | 4 Bed House15, Vaynol Street, Caernarfon, LL55 2RL15, Vaynol Street, Caernarfon, LL55 2RL
• Sold Oct 2019£119,000 | 4 Bed House7, Segontium Terrace, Caernarfon, LL55 2PN7, Segontium Terrace, Caernarfon, LL55 2PN
• Sold Oct 2019£165,000 | 4 Bed House4, Dinorwic Street, Caernarfon, LL55 2RG4, Dinorwic Street, Caernarfon, LL55 2RG
• Sold Feb 2019£160,000 | 4 Bed House7, Constantine Road, Caernarfon, LL55 2LF7, Constantine Road, Caernarfon, LL55 2LF
• Sold Sep 2018£225,000 | 4 Bed House29, Segontium Terrace, Caernarfon, LL55 2PH29, Segontium Terrace, Caernarfon, LL55 2PH
• Sold Jun 2018£169,000 | 4 Bed HouseBro Derwydd, Victoria Road, Caernarfon, LL55 2RHBro Derwydd, Victoria Road, Caernarfon, LL55 2RH

Segontium Terrace, Caernarfon, LL55 has a total of 31 addresses. According to our analysis of all the public data, 23, Segontium Terrace, Caernarfon is the 14th largest and the 9th most expensive property on the street.

When compared to the postcode district it is £32k more expensive than the average property in LL55.

• Llanfairpwll

  |

  10.1 km away
• Bodorgan

  |

  12.2 km away
• Bangor (Gwynedd)

  |

  13.1 km away

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