Our Data Sources
11, Cwm Silyn, Caernarfon has 21 entries in the Land Registry, most recently in April 2008 and no records in the EPC database.
We combine this sold price information with public data of neighbouring properties to estimate the 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 11, Cwm Silyn, Caernarfon would be worth £241,932, with a potential rental value of £1,000 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £214,283, with a rental value of £886 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
11, Cwm Silyn, Caernarfon occupies a 250 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 3rd largest.
Sold Prices
11, Cwm Silyn, Caernarfon last changed hands on 18th April 2008, selling for £149,950. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold twice since 1995.
The market for similar properties has risen by 31.9% since April 2008.
- Sold Apr 2008£149,950
- Sold Apr 2000£56,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 138 sales of comparable properties within 810 metres of 11, Cwm Silyn, Caernarfon since 2014.
Most recently, 46, Ffordd Eryri, Caernarfon, LL55 2UR, a freehold house, sold at £210,000 on the 5th March 2026.
Read more about house prices in LL55.
- Sold Mar 2026£210,000 | 3 Bed House46, Ffordd Eryri, Caernarfon, LL55 2UR46, Ffordd Eryri, Caernarfon, LL55 2UR
- Sold Jan 2026£240,000 | 3 Bed House34, Caeau Bach, Caernarfon, LL55 2BZ34, Caeau Bach, Caernarfon, LL55 2BZ
- Sold Jun 2025£230,000 | 3 Bed House3, Ffordd Eryri, Caernarfon, LL55 2US3, Ffordd Eryri, Caernarfon, LL55 2US
- Sold Jun 2025£170,000 | 3 Bed House21, Bryn Hyfryd, Caernarfon, LL55 2UU21, Bryn Hyfryd, Caernarfon, LL55 2UU
- Sold Jun 2024£212,500 | 3 Bed House27, Caeau Bach, Caernarfon, LL55 2BZ27, Caeau Bach, Caernarfon, LL55 2BZ
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 £237,212, ranging from £207,573 to £298,953.
- 13 Cwm Silyn
3 Bed House | 10 m | Est. Value: £229,077
- 5 Cwm Silyn
4 Bed House | 24 m | Est. Value: £298,953
- 17 Cwm Silyn
3 Bed House | 24 m | Est. Value: £237,163
- 54 Ffordd Eryri
3 Bed House | 32 m | Est. Value: £232,858
- 52 Ffordd Eryri
3 Bed House | 33 m | Est. Value: £239,137
Location Comparison
Our analysis of the public data ranks 11, Cwm Silyn, Caernarfon as the 16th largest and the 18th most expensive of the 26 addresses on Cwm Silyn, Caernarfon, LL55.
Against the LL55 postcode district average, it is £9k 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.












