Our Data Sources
21, Harlech Drive, Merthyr Tydfil has a single entry in the Land Registry from June 2025 and a single entry in the EPC database dated September 2022.
We combine this information with that 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 21, Harlech Drive, Merthyr Tydfil, we estimate a market value of £414,296 and a rental value of £1,512 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £366,948 and £1,339 per month respectively.
Plot Size
HM Land Registry records the plot of land for 21, Harlech Drive, Merthyr Tydfil as measuring 733 m2.
That makes it the 4th largest plot in the postcode, where 41 of the 48 other houses have recorded plot data.
Energy Efficiency
21, Harlech Drive, Merthyr Tydfil has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 26 Sep 2022.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
The most recent sale of 21, Harlech Drive, Merthyr Tydfil completed on 12th June 2025 at £380,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 this is the property's only sale.
Values of comparable properties have dropped by 16.4% over the period since June 2025.
- Sold Jun 2025£380,000
Similar Properties Sold Nearby
Since 2007 17 properties similar to 21, Harlech Drive, Merthyr Tydfil have sold within a radius of 1.3 kilometres, per the Land Registry and our network of Estate Agents.
The latest, on the 19th September 2025, was 45 Cyfarthfa Mews, Swansea Road, Merthyr Tydfil, CF48 1HZ, a freehold house which sold for £360,000.
Read more about house prices in CF48.
- Sold Sep 2025£360,000 | 4 Bed House45 Cyfarthfa Mews, Swansea Road, Merthyr Tydfil, CF48 1HZ45 Cyfarthfa Mews, Swansea Road, Merthyr Tydfil, CF48 1HZ
- Sold Apr 2025£415,000 | 5 Bed House90, Beacon Heights, Merthyr Tydfil, CF48 1NN90, Beacon Heights, Merthyr Tydfil, CF48 1NN
- Sold Oct 2024£370,000 | 5 Bed House7 Cyfarthfa Mews, Swansea Road, Merthyr Tydfil, CF48 1HZ7 Cyfarthfa Mews, Swansea Road, Merthyr Tydfil, CF48 1HZ
- Sold Aug 2024£350,000 | 5 Bed House19A Heol Corn Du, Beacon Heights, Merthyr Tydfil, CF48 1BW19A Heol Corn Du, Beacon Heights, Merthyr Tydfil, CF48 1BW
- Sold Mar 2024£385,000 | 5 Bed HouseCaseys Lodge, Twyn Carmel, Merthyr Tydfil, CF48 1PFCaseys Lodge, Twyn Carmel, Merthyr Tydfil, CF48 1PF
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £207,449, ranging from £138,482 to £413,887.
- 23 Harlech Drive
4 Bed House | 17 m | Est. Value: £413,887
- 27 Harlech Drive
2 Bed House | 46 m | Est. Value: £141,627
- 4 St. Fagans Grove
2 Bed House | 47 m | Est. Value: £139,569
- 3 St. Fagans Grove
2 Bed House | 47 m | Est. Value: £138,482
- 5 St. Fagans Grove
2 Bed House | 47 m | Est. Value: £138,482
Location Comparison
Of the 76 addresses on Harlech Drive, Merthyr Tydfil, CF48, 21, Harlech Drive, Merthyr Tydfil comes out as the 4th largest and the 4th most expensive in our analysis of the public data.
It is also £219k more expensive than the average property across the CF48 district.
More reading links
Schools Nearby
Public Transport Nearby
- Merthyr Tydfil|3.2 km away
- Aberdare|4.5 km away
- Pentre-Bach|5.2 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
