According to data from HM Land Registry, 4, Segontium Terrace, Caernarfon sits on a plot of 58 m².

We have plot size data on 12 out of 17 other houses in the postcode and 4, Segontium Terrace, Caernarfon sits on the 10th largest plot.

4, Segontium Terrace, Caernarfon has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 12 Mar 2019.

The property is connected to mains gas and has partial double glazing. It is heated using a boiler and radiators (mains gas).

According to HM Land Registry, 4, Segontium Terrace, Caernarfon was last sold on 8th August 2025 for £163,000 and was recorded as a freehold house.

The property has had 2 sales since 1995.

Since August 2025, the market for similar properties has risen by 44.0%.

According to the Land Registry and our network of Estate Agents, there have been 123 sales of properties similar to 4, Segontium Terrace, Caernarfon within a radius of 680 metres since 2020.

The most recent example is 8, Beulah Square, Caernarfon, LL55 2LA, a freehold house which sold for £170,000 on the 17th April 2026.

Read more about house prices in LL55.

• Sold Apr 2026£170,000 | 3 Bed House8, Beulah Square, Caernarfon, LL55 2LA8, Beulah Square, Caernarfon, LL55 2LA
• Sold Feb 2026£180,000 | 3 Bed House28, Victoria Street, Caernarfon, LL55 1PN28, Victoria Street, Caernarfon, LL55 1PN
• Sold Oct 2025£150,000 | 3 Bed House15-17, Pool Street, Caernarfon, LL55 2AD15-17, Pool Street, Caernarfon, LL55 2AD
• Sold Aug 2025£165,000 | 3 Bed House20, Segontium Terrace, Caernarfon, LL55 2PN20, Segontium Terrace, Caernarfon, LL55 2PN
• Sold Jun 2025£157,000 | 3 Bed House53, Eleanor Street, Caernarfon, LL55 1PG53, Eleanor Street, Caernarfon, LL55 1PG
• Sold May 2025£174,000 | 3 Bed House25, Hafod Terrace, Caernarfon, LL55 2AR25, Hafod Terrace, Caernarfon, LL55 2AR
• Sold May 2025£149,000 | 3 Bed House12, Constantine Terrace, Caernarfon, LL55 2HL12, Constantine Terrace, Caernarfon, LL55 2HL
• Sold May 2025£175,000 | 3 Bed House16, Victoria Street, Caernarfon, LL55 1PN16, Victoria Street, Caernarfon, LL55 1PN
• Sold Mar 2025£150,000 | 3 Bed House38, Victoria Street, Caernarfon, LL55 1PN38, Victoria Street, Caernarfon, LL55 1PN
• Sold Mar 2025£185,000 | 3 Bed House6, Victoria Street, Caernarfon, LL55 1PN6, Victoria Street, Caernarfon, LL55 1PN
• Sold Feb 2025£165,000 | 3 Bed House40, Victoria Street, Caernarfon, LL55 1PN40, Victoria Street, Caernarfon, LL55 1PN
• Sold Jan 2025£165,000 | 3 Bed House7, Edward Street, Caernarfon, LL55 1PH7, Edward Street, Caernarfon, LL55 1PH
• Sold Nov 2024£174,500 | 3 Bed House25, Eleanor Street, Caernarfon, LL55 1PG25, Eleanor Street, Caernarfon, LL55 1PG
• Sold Apr 2024£158,000 | 3 Bed House33, Hafod Terrace, Caernarfon, LL55 2AR33, Hafod Terrace, Caernarfon, LL55 2AR
• Sold May 2023£135,000 | 3 Bed House35, Hafod Terrace, Caernarfon, LL55 2AR35, Hafod Terrace, Caernarfon, LL55 2AR
• Sold Sep 2022£135,000 | 3 Bed House23, Hafod Terrace, Caernarfon, LL55 2AR23, Hafod Terrace, Caernarfon, LL55 2AR
• Sold Mar 2022£148,000 | 3 Bed House37, Hafod Terrace, Caernarfon, LL55 2AR37, Hafod Terrace, Caernarfon, LL55 2AR
• Sold Apr 2021£110,000 | 3 Bed House26, Pool Street, Caernarfon, LL55 2AB26, Pool Street, Caernarfon, LL55 2AB
• Sold Jan 2021£128,000 | 3 Bed House22, South Penrallt, Caernarfon, LL55 1NS22, South Penrallt, Caernarfon, LL55 1NS
• Sold Mar 2020£69,000 | 3 Bed House16, Pool Street, Caernarfon, LL55 2AB16, Pool Street, Caernarfon, LL55 2AB

Segontium Terrace, Caernarfon, LL55 has a total of 31 addresses. According to our analysis of all the public data, 4, Segontium Terrace, Caernarfon is the 30th largest and the 30th most expensive property on the street.

When compared to the postcode district it is £61k less expensive than the average property in LL55.

• Llanfairpwll

  |

  10.1 km away
• Bodorgan

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  12.1 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.