Our Data Sources
51, Glanffynnon, Caernarfon has no records in the Land Registry and a single entry in the EPC database dated February 2024.
We combine this information with public data 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
In very good condition, we estimate 51, Glanffynnon, Caernarfon would be worth £296,338, with a potential rental value of £1,162 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £262,471, with a rental value of £1,029 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
51, Glanffynnon, Caernarfon occupies a 311 m2 plot as recorded by HM Land Registry.
Of the 48 other houses in this postcode, 35 have recorded plot sizes, and this one ranks as the 9th largest.
Energy Efficiency
51, Glanffynnon, Caernarfon has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 21 Feb 2024.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 46 sales of comparable properties within 2.5 kilometres of 51, Glanffynnon, Caernarfon since 2010.
Most recently, 48, Glanffynnon, Caernarfon, LL55 4PR, a freehold house, sold at £285,000 on the 6th May 2025.
Read more about house prices in LL55.
- Sold May 2025£285,000 | 4 Bed House48, Glanffynnon, Caernarfon, LL55 4PR48, Glanffynnon, Caernarfon, LL55 4PR
- Sold Mar 2024£370,000 | 4 Bed HouseHen Dy Bryngwyn, Caernarfon, LL55 4RHHen Dy Bryngwyn, Caernarfon, LL55 4RH
- Sold Jun 2023£315,000 | 3 Bed HouseBryn Celyn, Lon Groes, Caernarfon, LL55 4AFBryn Celyn, Lon Groes, Caernarfon, LL55 4AF
- Sold Jun 2022£290,000 | 3 Bed HouseRhandir Mwyn, Caernarfon, LL55 4AERhandir Mwyn, Caernarfon, LL55 4AE
- Sold Jul 2021£295,000 | 4 Bed House8 Yr Hafod, Caernarfon, LL55 4AN8 Yr Hafod, Caernarfon, LL55 4AN
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 £227,847, ranging from £199,576 to £291,662.
- 49 Glanffynnon
3 Bed House | 23 m | Est. Value: £245,679
- 54 Glanffynnon
3 Bed House | 33 m | Est. Value: £212,352
- 48 Glanffynnon
4 Bed House | 34 m | Est. Value: £291,662
- 37 Glanffynnon
3 Bed House | 36 m | Est. Value: £199,576
- 33 Glanffynnon
4 Bed House | 37 m | Est. Value: £260,760
Location Comparison
Our analysis of the public data ranks 51, Glanffynnon, Caernarfon as the 4th largest and the 9th most expensive of the 62 addresses on Glanffynnon, Llanrug, Caernarfon, LL55.
Against the LL55 postcode district average, it is £61k more expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Llanfairpwll|8.4 km away
- Bangor (Gwynedd)|9.2 km away
- Bodorgan|16.5 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












