Our Data Sources
20, Castell Morlais, Merthyr Tydfil has no recent1 records in the the Land Registry and a single entry in the EPC database dated December 2025.
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 20, Castell Morlais, Merthyr Tydfil, we estimate a market value of £474,445 and a rental value of £1,669 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £420,223 and £1,478 per month respectively.
Plot Size
HM Land Registry records the plot of land for 20, Castell Morlais, Merthyr Tydfil as measuring 612 m2.
That makes it the 5th largest plot in the postcode, where 18 of the 20 other houses have recorded plot data.
Energy Efficiency
20, Castell Morlais, Merthyr Tydfil has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 19 Dec 2025.
The property is not connected to mains gas and has high performance glazing. It is heated using Boiler and radiators, oil.
Sold Prices
The most recent sale of 20, Castell Morlais, Merthyr Tydfil completed on 24th March 2000 at £120,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold twice.
- Sold Mar 2000£120,000
- Sold Mar 1996£72,000
Similar Properties Sold Nearby
Over the past 2 years 13 properties similar to 20, Castell Morlais, Merthyr Tydfil have sold within a radius of 3.1 kilometres, per the Land Registry and our network of Estate Agents.
The latest, on the 27th August 2021, was 19, Castell Morlais, Merthyr Tydfil, CF48 2YB, a freehold house which sold for £415,000.
Read more about house prices in CF48.
- Sold Aug 2021£415,000 | 4 Bed House19, Castell Morlais, Merthyr Tydfil, CF48 2YB19, Castell Morlais, Merthyr Tydfil, CF48 2YB
- Sold Aug 2017£238,000 | 4 Bed House7, Castell Morlais, Merthyr Tydfil, CF48 2YB7, Castell Morlais, Merthyr Tydfil, CF48 2YB
- Sold Jun 2017£255,000 | 4 Bed House2, Castell Morlais, Merthyr Tydfil, CF48 2YB2, Castell Morlais, Merthyr Tydfil, CF48 2YB
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 20 addresses on Castell Morlais, Pontsticill, Merthyr Tydfil, CF48, 20, Castell Morlais, Merthyr Tydfil comes out as the 11th largest and the 10th most expensive in our analysis of the public data.
It is also £277k more expensive than the average property across the CF48 district.
More reading links
Schools Nearby
Public Transport Nearby
- Merthyr Tydfil|5.5 km away
- Rhymney|6.6 km away
- Pentre-Bach|7.6 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.












