Our Data Sources
40, Heol Tai Mawr, Merthyr Tydfil has no records in the the Land Registry and a single entry in the EPC database dated February 2026.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
Price Range & Condition
In very good condition, we estimate 40, Heol Tai Mawr, Merthyr Tydfil would be worth £166,822, with a potential rental value of £892 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £147,757, with a rental value of £790 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
40, Heol Tai Mawr, Merthyr Tydfil occupies a 228 m2 plot as recorded by HM Land Registry.
Of the 15 other houses in this postcode, 7 have recorded plot sizes, and this one ranks as the 4th largest.
Energy Efficiency
40, Heol Tai Mawr, Merthyr Tydfil has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 06 Feb 2026.
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 47 sales of comparable properties within 870 metres of 40, Heol Tai Mawr, Merthyr Tydfil across the last 2 years.
Most recently, 9, Heol Parc Maen, Merthyr Tydfil, CF48 1LF, a freehold house, sold at £118,000 on the 31st May 2024.
Read more about house prices in CF48.
- Sold May 2024£118,000 | 3 Bed House9, Heol Parc Maen, Merthyr Tydfil, CF48 1LF9, Heol Parc Maen, Merthyr Tydfil, CF48 1LF
- Sold Dec 2022£150,000 | 4 Bed House22, Heol Nantgau, Merthyr Tydfil, CF48 1EY22, Heol Nantgau, Merthyr Tydfil, CF48 1EY
- Sold Feb 2022£110,000 | 3 Bed House19, Heol Nantgau, Merthyr Tydfil, CF48 1EY19, Heol Nantgau, Merthyr Tydfil, CF48 1EY
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 40, Heol Tai Mawr, Merthyr Tydfil as the 10th largest and the 3rd most expensive of the 56 addresses on Heol Tai Mawr, Merthyr Tydfil, CF48.
Against the CF48 postcode district average, it is £16k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Merthyr Tydfil|2.4 km away
- Pentre-Bach|4.5 km away
- Aberdare|5.0 km away
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.
