Our Data Sources
5, Alphonso Street, Merthyr Tydfil has no records in the the Land Registry and a single entry in the EPC database dated February 2022.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 out of 5 and is considered of medium accuracy.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 5, Alphonso Street, Merthyr Tydfil, we estimate a market value of £84,923 and a rental value of £596 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £75,217 and £527 per month respectively.
Plot Size
HM Land Registry records the plot of land for 5, Alphonso Street, Merthyr Tydfil as measuring 78 m2.
That makes it the largest plot in the postcode, where 10 of the 11 other houses have recorded plot data.
Energy Efficiency
5, Alphonso Street, Merthyr Tydfil has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 01 Feb 2022.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Similar Properties Sold Nearby
Over the past 2 years 14 properties similar to 5, Alphonso Street, Merthyr Tydfil have sold within a radius of 660 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 8th October 2025, was 32, White Street, Merthyr Tydfil, CF48 3RT, a freehold house which sold for £99,800.
Read more about house prices in CF48.
- Sold Oct 2025£99,800 | 2 Bed House32, White Street, Merthyr Tydfil, CF48 3RT32, White Street, Merthyr Tydfil, CF48 3RT
- Sold Oct 2025£58,000 | 2 Bed House7, Upper Row, Merthyr Tydfil, CF48 3NU7, Upper Row, Merthyr Tydfil, CF48 3NU
- Sold Dec 2022£195,500 | 2 Bed House23, Glendower Street, Merthyr Tydfil, CF48 3SG23, Glendower Street, Merthyr Tydfil, CF48 3SG
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 20 addresses on Alphonso Street, Dowlais, Merthyr Tydfil, CF48, 5, Alphonso Street, Merthyr Tydfil comes out as the 11th largest and the 11th most expensive in our analysis of the public data.
It is also £94k less expensive than the average property across the CF48 district.
More reading links
Schools Nearby
Public Transport Nearby
- Merthyr Tydfil|2.9 km away
- Rhymney|4.6 km away
- Pentre-Bach|4.7 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












