Our Data Sources
20, Segontium Road South, Caernarfon has 3 entries in the Land Registry , most recently in September 2025 and a single entry in the EPC database dated May 2025.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 out of 5 and is considered of high accuracy.
Price Range & Condition
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 20, Segontium Road South, Caernarfon is in very good condition we estimate a sale value of £238,338 and a rental value of £1,084 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £211,099 and a rental value of £960 per month.
Plot Size
According to data from HM Land Registry, 20, Segontium Road South, Caernarfon sits on a plot of 105 m2.
We have plot size data on 17 out of 32 other houses in the postcode and 20, Segontium Road South, Caernarfon sits on the 11th largest plot.
Energy Efficiency
20, Segontium Road South, Caernarfon has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 16 May 2025.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
According to HM Land Registry, 20, Segontium Road South, Caernarfon was last sold on 19th September 2025 for £255,000 and was recorded as a freehold house.
The property has had 3 sales since 1995.
Since September 2025, the market for similar properties has risen by 37.3%.
- Sold Sep 2025£255,000
- Sold Jun 2021£215,000
- Sold Aug 2017£120,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 56 sales of properties similar to 20, Segontium Road South, Caernarfon within a radius of 540 metres over the last 2 years.
The most recent example is 14, Gelert Street, Caernarfon, LL55 2LH, a freehold house which sold for £255,000 on the 6th November 2025.
Read more about house prices in LL55.
- Sold Nov 2025£255,000 | 4 Bed House14, Gelert Street, Caernarfon, LL55 2LH14, Gelert Street, Caernarfon, LL55 2LH
- Sold Jun 2022£300,000 | 4 Bed House24, Constantine Road, Caernarfon, LL55 2LF24, Constantine Road, Caernarfon, LL55 2LF
- Sold Dec 2021£194,000 | 4 Bed House2, Segontium Road South, Caernarfon, LL55 2LL2, Segontium Road South, Caernarfon, LL55 2LL
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Segontium Road South, Caernarfon, LL55 has a total of 32 addresses. According to our analysis of all the public data, 20, Segontium Road South, Caernarfon is the 12th largest and the 12th most expensive property on the street.
When compared to the postcode district it is £6k more expensive than the average property in LL55.
More reading links
Schools Nearby
Public Transport Nearby
- Llanfairpwll|10.2 km away
- Bodorgan|12.6 km away
- Bangor (Gwynedd)|13.0 km away
Available Internet Speeds
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.












