31, Mary Street
31, Mary Street
Description & Estimates







Public records show 31, Mary Street, Porth to be a period freehold house with 861 ft2 of internal area, sitting on a 85.2 m2 plot.
In this area, houses of this size normally have 3 bedrooms with a garden.
31, Mary Street, Porth has an estimated sale value of £122,548 and an estimated rental value of £772 per month, assuming reasonable condition and based on the information available.
Mary Street, Porth, CF39 lies within the CF39 postal district.
Our Data Sources
31, Mary Street, Porth has a single entry in the Land Registry from January 2022 and a single entry in the EPC database dated October 2021.
We combine this information with that 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 31, Mary Street, Porth would be worth £128,675, with a potential rental value of £810 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £113,970, with a rental value of £718 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 31, Mary Street, Porth has risen by £2,530 (2.1%) over the last year. During the same period, its estimated monthly rental value has moved up by £30 (3.9%). The property's estimated gross yield is currently 7.6%.
Plot Size
31, Mary Street, Porth occupies a 85 m2 plot as recorded by HM Land Registry.
Of the 29 other houses in this postcode, 22 have recorded plot sizes, and this one ranks as the 17th largest.
Energy Efficiency
31, Mary Street, Porth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 21 Oct 2021.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
31, Mary Street, Porth last changed hands on 17th January 2022, selling for £110,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has risen by 8.3% since January 2022.
- Sold Jan 2022£110,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 3 sales of comparable properties within 660 metres of 31, Mary Street, Porth across the last 2 years.
Most recently, 11, Woodfield Terrace, Porth, CF39 9UN, a freehold house, sold at £140,000 on the 20th March 2026.
Read more about house prices in CF39.
•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 31, Mary Street, Porth as the 5th largest and the 2nd most expensive of the 29 addresses on Mary Street, Porth, CF39.
Against the CF39 postcode district average, it is £23k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
Porth station is the nearest stop to 31, Mary Street, Porth at 200 metres away.
- 200mPorth
- 2.0kmTrehafod
- 2.0kmDinas (Rhondda)
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a very low risk of flooding.

