Our Data Sources
21, Glan Seiont, Caernarfon has 21 entries in the Land Registry, most recently in October 2014 and a single entry in the EPC database dated September 2013.
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.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 21, Glan Seiont, Caernarfon, we estimate a market value of £310,127 and a rental value of £1,072 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £274,684 and £949 per month respectively.
Plot Size
HM Land Registry records the plot of land for 21, Glan Seiont, Caernarfon as measuring 260 m2.
That makes it the 29th largest plot in the postcode, where 42 of the 53 other houses have recorded plot data.
Energy Efficiency
21, Glan Seiont, Caernarfon has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 06 Sep 2013.
The property is not connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
The most recent sale of 21, Glan Seiont, Caernarfon completed on 10th October 2014 at £205,157 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold twice.
Values of comparable properties have risen by 34.6% over the period since October 2014.
- Sold Oct 2014£205,157
- Sold Oct 2003£128,500
Similar Properties Sold Nearby
Since 2018 59 properties similar to 21, Glan Seiont, Caernarfon have sold within a radius of 840 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 11th March 2026, was 36, Gwel Y Llan, Caernarfon, LL55 2SJ, a freehold house which sold for £136,596.
Read more about house prices in LL55.
- Sold Mar 2026£136,596 | 3 Bed House36, Gwel Y Llan, Caernarfon, LL55 2SJ36, Gwel Y Llan, Caernarfon, LL55 2SJ
- Sold Nov 2025£339,950 | 3 Bed House124, Gwel Y Llan, Caernarfon, LL55 2SQ124, Gwel Y Llan, Caernarfon, LL55 2SQ
- Sold Sep 2025£280,000 | 3 Bed House27, Gwel Y Llan, Caernarfon, LL55 2SJ27, Gwel Y Llan, Caernarfon, LL55 2SJ
- Sold Sep 2025£295,000 | 3 Bed House59, Glan Seiont, Caernarfon, LL55 2DX59, Glan Seiont, Caernarfon, LL55 2DX
- Sold Jul 2025£262,500 | 3 Bed House61, Ffordd Eryri, Caernarfon, LL55 2UR61, Ffordd Eryri, Caernarfon, LL55 2UR
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £241,518, ranging from £188,824 to £299,768.
- 22 Glan Seiont
3 Bed House | 13 m | Est. Value: £277,759
- 32 Glan Seiont
3 Bed House | 26 m | Est. Value: £253,810
- 16 Glan Seiont
3 Bed House | 28 m | Est. Value: £289,604
- 17 Glan Seiont
3 Bed House | 28 m | Est. Value: £298,805
- 15 Glan Seiont
3 Bed House | 32 m | Est. Value: £299,768
Location Comparison
Of the 54 addresses on Glan Seiont, Caernarfon, LL55, 21, Glan Seiont, Caernarfon comes out as the 17th largest and the 9th most expensive in our analysis of the public data.
It is also £74k more expensive than the average property across the LL55 district.
More reading links
Schools Nearby
Public Transport Nearby
- Llanfairpwll|10.4 km away
- Bangor (Gwynedd)|12.9 km away
- Bodorgan|13.2 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
