Our Data Sources
21, Millfield, Treharris has 21 entries in the Land Registry, most recently in September 2022 and a single entry in the EPC database dated July 2017.
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.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
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, Millfield, Treharris, we estimate a market value of £359,113 and a rental value of £1,536 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £318,072 and £1,361 per month respectively.
Plot Size
HM Land Registry records the plot of land for 21, Millfield, Treharris as measuring 361 m2.
That makes it the 11th largest plot in the postcode, where 41 of the 43 other houses have recorded plot data.
Energy Efficiency
21, Millfield, Treharris has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 19 Jul 2017.
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, Millfield, Treharris completed on 9th September 2022 at £365,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold twice.
Values of comparable properties have dropped by 32.3% over the period since September 2022.
- Sold Sep 2022£365,000
- Sold Aug 1998£63,750
Similar Properties Sold Nearby
Since 2007 25 properties similar to 21, Millfield, Treharris have sold within a radius of 780 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 12th September 2025, was 9, Glynbargoed Close, Treharris, CF46 6AJ, a freehold house which sold for £340,000.
Read more about house prices in CF46.
- Sold Sep 2025£340,000 | 5 Bed House9, Glynbargoed Close, Treharris, CF46 6AJ9, Glynbargoed Close, Treharris, CF46 6AJ
- Sold Nov 2022£318,000 | 4 Bed House54, The Oaks, Treharris, CF46 5HQ54, The Oaks, Treharris, CF46 5HQ
- Sold Oct 2022£340,000 | 5 Bed House2, Griffin Rise, Treharris, CF46 5BJ2, Griffin Rise, Treharris, CF46 5BJ
- Sold Aug 2022£385,000 | 4 Bed House74, The Hollies, Treharris, CF46 5PN74, The Hollies, Treharris, CF46 5PN
- Sold Jun 2022£375,000 | 4 Bed House95, The Hollies, Treharris, CF46 5PP95, The Hollies, Treharris, CF46 5PP
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 £313,067, ranging from £249,280 to £495,073.
- 54 Ty Llwyd Parc
3 Bed House | 20 m | Est. Value: £296,081
- 43 Millfield
3 Bed House | 22 m | Est. Value: £249,280
- 52 Ty Llwyd Parc
3 Bed House | 28 m | Est. Value: £285,892
- 42 Millfield
4 Bed House | 29 m | Est. Value: £309,844
- 24 Millfield
3 Bed House | 31 m | Est. Value: £253,097
Location Comparison
Of the 43 addresses on Millfield, Quakers Yard, Treharris, CF46, 21, Millfield, Treharris comes out as the 10th largest and the 9th most expensive in our analysis of the public data.
It is also £182k more expensive than the average property across the CF46 district.
More reading links
Schools Nearby
Public Transport Nearby
- Quakers Yard|1.5 km away
- Abercynon|2.6 km away
- Merthyr Vale|3.8 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.












