Our Data Sources
12, Heol-Y-Castell, Merthyr Tydfil has no records in the the Land Registry and a single entry in the EPC database dated March 2023.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high accuracy.
Price Range & Condition
In very good condition, we estimate 12, Heol-Y-Castell, Merthyr Tydfil would be worth £132,533, with a potential rental value of £815 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £117,386, with a rental value of £722 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
12, Heol-Y-Castell, Merthyr Tydfil has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 20 Mar 2023.
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
Land Registry records and our Estate Agent network show 3 sales of comparable properties within 930 metres of 12, Heol-Y-Castell, Merthyr Tydfil across the last 2 years.
Most recently, 24, Heol Bonymaen, Merthyr Tydfil, CF48 2DN, a freehold house, sold at £108,000 on the 7th November 2025.
Read more about house prices in CF48.
- Sold Nov 2025£108,000 | 3 Bed House24, Heol Bonymaen, Merthyr Tydfil, CF48 2DN24, Heol Bonymaen, Merthyr Tydfil, CF48 2DN
- Sold Jan 2024£135,000 | 3 Bed House3, St. Lukes Close, Merthyr Tydfil, CF48 2DT3, St. Lukes Close, Merthyr Tydfil, CF48 2DT
- Sold Jun 2022£120,000 | 3 Bed House18, St. Lukes Close, Merthyr Tydfil, CF48 2DT18, St. Lukes Close, Merthyr Tydfil, CF48 2DT
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 12, Heol-Y-Castell, Merthyr Tydfil as the 5th largest and the 5th most expensive of the 21 addresses on Heol-Y-Castell, Pant, Merthyr Tydfil, CF48.
Against the CF48 postcode district average, it is £47k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- 3.3kmMerthyr Tydfil
- 5.2kmRhymney
- 5.3kmPentre-Bach
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.
