4, Mary Street
4, Mary Street
Description & Estimates
The public record describes 4, Mary Street, Caernarfon as an early-century house with 613 ft2 of internal area, sitting on a 48.2 m2 plot.
In this area, houses of this size normally have 2 bedrooms with a garden.
4, Mary Street, Caernarfon has an estimated sale value of £111,740 and an estimated rental value of £609 per month, assuming reasonable condition and based on the information available.
Mary Street, Caernarfon, LL55 lies within the LL55 postal district.
Our Data Sources
4, Mary Street, Caernarfon has no recent1 records in the the Land Registry and a single entry in the EPC database dated June 2025.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium accuracy.
Price Range & Condition
In very good condition, we estimate 4, Mary Street, Caernarfon would be worth £117,327, with a potential rental value of £639 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £103,919, with a rental value of £566 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Recent Market Change
The estimated sale value of 4, Mary Street, Caernarfon has risen by £156 (0.1%) over the last year. During the same period, its estimated monthly rental value has moved up by £26 (4.3%). The property's estimated gross yield is currently 6.5%.
Plot Size
4, Mary Street, Caernarfon occupies a 48 m2 plot as recorded by HM Land Registry.
Of the 5 other houses in this postcode, 3 have recorded plot sizes, and this one ranks as the largest.
Energy Efficiency
4, Mary Street, Caernarfon has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 18 Jun 2025.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
4, Mary Street, Caernarfon last changed hands on 22nd December 1997, selling for £31,500. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
- Sold Dec 1997£31,500
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 3 sales of comparable properties within 510 metres of 4, Mary Street, Caernarfon across the last 2 years.
Most recently, 57, Mountain Street, Caernarfon, LL55 1PW, a freehold house, sold at £109,000 on the 2nd February 2024.
Read more about house prices in LL55.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Our analysis of the public data ranks 4, Mary Street, Caernarfon as the 2nd largest and the 2nd most expensive of the 5 addresses on Mary Street, Caernarfon, LL55.
Against the LL55 postcode district average, it is £105k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
Llanfairpwll station is the nearest stop to 4, Mary Street, Caernarfon at 9.8 kilometres away.
- 9.8kmLlanfairpwll
- 12.2kmBodorgan
- 12.7kmBangor (Gwynedd)
Risk of Flooding
Environment Agency data suggests this area has a very low risk of flooding.
