Our Data Sources
Trem Y Don, Caernarfon has no recent1 records in the Land Registry and a single entry in the EPC database dated June 2013.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 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
In very good condition, we estimate Trem Y Don, Caernarfon would be worth £128,323, with a potential rental value of £727 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £113,658, with a rental value of £644 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
Trem Y Don, Caernarfon occupies a 144 m2 plot as recorded by HM Land Registry.
Of the 16 other houses in this postcode, 13 have recorded plot sizes, and this one ranks as the 10th largest.
Energy Efficiency
Trem Y Don, Caernarfon has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 25 Jun 2013.
The property is not connected to mains gas and has fully double glazed windows. It is heated using electric storage heaters.
Sold Prices
Trem Y Don, Caernarfon last changed hands on 22nd February 2006, selling for £87,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
- Sold Feb 2006£87,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 98 sales of comparable properties within 3.2 kilometres of Trem Y Don, Caernarfon since 2017.
Most recently, Bron Eifion, Caernarfon, LL54 7BD, a freehold house, sold at £130,000 on the 30th April 2026.
Read more about house prices in LL54.
- Sold Apr 2026£130,000 | 3 Bed HouseBron Eifion, Caernarfon, LL54 7BDBron Eifion, Caernarfon, LL54 7BD
- Sold Dec 2025£73,000 | 2 Bed House16, Tai Nantlle, Caernarfon, LL54 6BE16, Tai Nantlle, Caernarfon, LL54 6BE
- Sold Nov 2025£105,000 | 2 Bed House2 Brynhyfryd Terrace, Caernarfon, LL54 7AE2 Brynhyfryd Terrace, Caernarfon, LL54 7AE
- Sold Aug 2025£105,000 | 3 Bed House6, Bron Eryri Terrace, Caernarfon, LL54 7HS6, Bron Eryri Terrace, Caernarfon, LL54 7HS
- Sold Aug 2025£120,000 | 2 Bed HouseAwelon, Caernarfon, LL54 7PTAwelon, Caernarfon, LL54 7PT
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 £151,452, ranging from £83,875 to £344,169.
- Awelon
2 Bed House | 5 m | Est. Value: £110,640
- Gwelfor
3 Bed House | 6 m | Est. Value: £125,556
- Bryn Menai
3 Bed House | 11 m | Est. Value: £148,668
- Gwynfryn
4 Bed House | 12 m | Est. Value: £186,871
- Y Garreg Fawr
2 Bed House | 71 m | Est. Value: £95,212
Location Comparison
Our analysis of the public data ranks Trem Y Don, Caernarfon as the 107th largest and the 133rd most expensive of the 147 addresses on Upper Llandwrog, Caernarfon, LL54.
Against the LL54 postcode district average, it is £99k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Llanfairpwll|16.6 km away
- Porthmadog|17.0 km away
- Criccieth|17.1 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.












