Our Data Sources
5, Cwm Silyn, Caernarfon has no recent1 records in the Land Registry and a single entry in the EPC database dated March 2015.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 out of 5 and is considered of medium accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
In very good condition, we estimate 5, Cwm Silyn, Caernarfon would be worth £313,901, with a potential rental value of £1,147 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £278,026, with a rental value of £1,016 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
5, Cwm Silyn, Caernarfon occupies a 205 m2 plot as recorded by HM Land Registry.
Of the 26 other houses in this postcode, 15 have recorded plot sizes, and this one ranks as the 12th largest.
Energy Efficiency
5, Cwm Silyn, Caernarfon has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 25 Mar 2015.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
5, Cwm Silyn, Caernarfon last changed hands on 1st April 2003, selling for £90,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
- Sold Apr 2003£90,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 23 sales of comparable properties within 820 metres of 5, Cwm Silyn, Caernarfon since 2009.
Most recently, 30, Ffordd Eryri, Caernarfon, LL55 2UR, a freehold house, sold at £305,000 on the 6th February 2026.
Read more about house prices in LL55.
- Sold Feb 2026£305,000 | 4 Bed House30, Ffordd Eryri, Caernarfon, LL55 2UR30, Ffordd Eryri, Caernarfon, LL55 2UR
- Sold Oct 2024£310,000 | 4 Bed House17, Cae Corn Hir, Caernarfon, LL55 2LQ17, Cae Corn Hir, Caernarfon, LL55 2LQ
- Sold Mar 2024£330,000 | 4 Bed House8, Pen Morfa, Caernarfon, LL55 2DJ8, Pen Morfa, Caernarfon, LL55 2DJ
- Sold Feb 2023£306,000 | 4 Bed House3, Maes Meddyg, Caernarfon, LL55 2SF3, Maes Meddyg, Caernarfon, LL55 2SF
- Sold Apr 2022£245,000 | 4 Bed House10, Cae Corn Hir, Caernarfon, LL55 2LQ10, Cae Corn Hir, Caernarfon, LL55 2LQ
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 £225,620, ranging from £207,573 to £242,147.
- 11 Cwm Silyn
3 Bed House | 24 m | Est. Value: £230,412
- 48 Ffordd Eryri
3 Bed House | 28 m | Est. Value: £226,119
- 46 Ffordd Eryri
3 Bed House | 30 m | Est. Value: £208,948
- 50 Ffordd Eryri
3 Bed House | 31 m | Est. Value: £226,813
- 44 Ffordd Eryri
3 Bed House | 32 m | Est. Value: £242,147
Location Comparison
Our analysis of the public data ranks 5, Cwm Silyn, Caernarfon as the 2nd largest and the 3rd most expensive of the 26 addresses on Cwm Silyn, Caernarfon, LL55.
Against the LL55 postcode district average, it is £78k more expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Llanfairpwll|10.5 km away
- Bangor (Gwynedd)|13.1 km away
- Bodorgan|13.1 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.












