Our Data Sources
35, William Street, Caernarfon has no recent1 records in the Land Registry and a single entry in the EPC database dated October 2018.
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.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
In very good condition, we estimate 35, William Street, Caernarfon would be worth £102,911, with a potential rental value of £587 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £91,150, with a rental value of £520 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
35, William Street, Caernarfon occupies a 72 m2 plot as recorded by HM Land Registry.
Of the 39 other houses in this postcode, 38 have recorded plot sizes, and this one ranks as the 19th largest.
Energy Efficiency
35, William Street, Caernarfon has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 12 Oct 2018.
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
35, William Street, Caernarfon last changed hands on 7th December 2005, selling for £77,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
- Sold Dec 2005£77,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 52 sales of comparable properties within 500 metres of 35, William Street, Caernarfon since 2016.
Most recently, 23, Pool Hill, Caernarfon, LL55 1NP, a freehold house, sold at £78,379 on the 6th October 2025.
Read more about house prices in LL55.
- Sold Oct 2025£78,379 | 2 Bed House23, Pool Hill, Caernarfon, LL55 1NP23, Pool Hill, Caernarfon, LL55 1NP
- Sold Oct 2025£99,000 | 2 Bed House7, Hendre Street, Caernarfon, LL55 2HY7, Hendre Street, Caernarfon, LL55 2HY
- Sold May 2025£85,000 | 2 Bed House6, Holywell Terrace, Caernarfon, LL55 2AP6, Holywell Terrace, Caernarfon, LL55 2AP
- Sold May 2025£85,000 | 2 Bed House30, St. Helens Street, Caernarfon, LL55 2HU30, St. Helens Street, Caernarfon, LL55 2HU
- Sold May 2025£105,000 | 2 Bed House34, New Street, Caernarfon, LL55 2PU34, New Street, Caernarfon, LL55 2PU
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 £111,795, ranging from £98,893 to £131,385.
- 37 William Street
3 Bed House | 4 m | Est. Value: £112,875
- 33 William Street
3 Bed House | 4 m | Est. Value: £113,674
- 39 William Street
3 Bed House | 8 m | Est. Value: £112,070
- 29 William Street
2 Bed House | 13 m | Est. Value: £100,634
- 32 William Street
3 Bed House | 14 m | Est. Value: £107,954
Location Comparison
Our analysis of the public data ranks 35, William Street, Caernarfon as the 39th largest and the 39th most expensive of the 39 addresses on William Street, Caernarfon, LL55.
Against the LL55 postcode district average, it is £123k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Llanfairpwll|9.8 km away
- Bodorgan|12.2 km away
- Bangor (Gwynedd)|12.7 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.












