10, Mary Street
10, Mary Street
Description & Estimates







The public record describes 10, Mary Street, Caerphilly as a period house with 936 ft2 of internal area, sitting on a 106 m2 plot.
In this area, houses of this size normally have 3 bedrooms with a garden.
10, Mary Street, Caerphilly has an estimated sale value of £169,599 and an estimated rental value of £1,137 per month, assuming reasonable condition and based on the information available.
Mary Street, Trethomas, Caerphilly, CF83 lies within the CF83 postal district.
Our Data Sources
10, Mary Street, Caerphilly has no recent1 records in the the Land Registry and a single entry in the EPC database dated February 2019.
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.
Price Range & Condition
In very good condition, we estimate 10, Mary Street, Caerphilly would be worth £178,079, with a potential rental value of £1,194 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £157,727, with a rental value of £1,057 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 10, Mary Street, Caerphilly has climbed by £1,489 (0.9%) over the last year. During the same period, its estimated monthly rental value has risen by £44 (3.9%). The property's estimated gross yield is currently 8.0%.
Plot Size
10, Mary Street, Caerphilly occupies a 106 m2 plot as recorded by HM Land Registry.
Of the 50 other houses in this postcode, 47 have recorded plot sizes, and this one ranks as the 42nd largest.
Energy Efficiency
10, Mary Street, Caerphilly has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 06 Feb 2019.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
10, Mary Street, Caerphilly last changed hands on 22nd November 2002, selling for £58,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
- Sold Nov 2002£58,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 3 sales of comparable properties within 1.1 kilometres of 10, Mary Street, Caerphilly across the last 2 years.
Most recently, 44, Mary Street, Caerphilly, CF83 8HN, a freehold house, sold at £170,000 on the 23rd February 2026.
Read more about house prices in CF83.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 10, Mary Street, Caerphilly as the 20th largest and the 20th most expensive of the 50 addresses on Mary Street, Trethomas, Caerphilly, CF83.
Against the CF83 postcode district average, it is £59k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
Caerphilly station is the nearest stop to 10, Mary Street, Caerphilly at 3.4 kilometres away.
- 3.4kmCaerphilly
- 3.5kmEnerglyn & Churchill Park
- 3.7kmLlanbradach
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a very low risk of flooding.

