Our Data Sources
11, Blackthorne Avenue, Merthyr Tydfil has a single entry in the Land Registry from December 2020 and a single entry in the EPC database dated July 2020.
We combine this information with that 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
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 11, Blackthorne Avenue, Merthyr Tydfil, we estimate a market value of £102,820 and a rental value of £665 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £91,069 and £589 per month respectively.
Plot Size
HM Land Registry records the plot of land for 11, Blackthorne Avenue, Merthyr Tydfil as measuring 155 m2.
That makes it the largest plot in the postcode, where 3 of the 30 other houses have recorded plot data.
Energy Efficiency
11, Blackthorne Avenue, Merthyr Tydfil has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 11 Jul 2020.
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 11, Blackthorne Avenue, Merthyr Tydfil completed on 4th December 2020 at £67,500 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 risen by 108.9% over the period since December 2020.
- Sold Dec 2020£67,500
Similar Properties Sold Nearby
Since 2020 107 properties similar to 11, Blackthorne Avenue, Merthyr Tydfil have sold within a radius of 680 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 30th January 2026, was 62, Forsythia Close, Merthyr Tydfil, CF47 9DS, a leasehold house which sold for £107,000.
Read more about house prices in CF47.
- Sold Jan 2026£107,000 | 3 Bed House62, Forsythia Close, Merthyr Tydfil, CF47 9DS62, Forsythia Close, Merthyr Tydfil, CF47 9DS
- Sold Oct 2025£95,000 | 3 Bed House32, Palm Road, Merthyr Tydfil, CF47 9BT32, Palm Road, Merthyr Tydfil, CF47 9BT
- Sold Aug 2025£77,500 | 3 Bed House26, Alder Grove, Merthyr Tydfil, CF47 9SF26, Alder Grove, Merthyr Tydfil, CF47 9SF
- Sold Jul 2025£104,000 | 3 Bed House14, Sycamore Road, Merthyr Tydfil, CF47 9RU14, Sycamore Road, Merthyr Tydfil, CF47 9RU
- Sold May 2025£60,000 | 3 Bed House37, Sycamore Road, Merthyr Tydfil, CF47 9RU37, Sycamore Road, Merthyr Tydfil, CF47 9RU
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 £93,290, ranging from £86,396 to £94,439.
- 13 Blackthorne Avenue
3 Bed House | 6 m | Est. Value: £94,439
- 9 Blackthorne Avenue
3 Bed House | 8 m | Est. Value: £94,439
- 15 Blackthorne Avenue
3 Bed House | 13 m | Est. Value: £94,439
- 7 Blackthorne Avenue
3 Bed House | 15 m | Est. Value: £94,439
- 1 Blackthorne Avenue
3 Bed House | 34 m | Est. Value: £86,396
Location Comparison
Of the 30 addresses on Blackthorne Avenue, Merthyr Tydfil, CF47, 11, Blackthorne Avenue, Merthyr Tydfil comes out as the largest and the most expensive in our analysis of the public data.
It is also £58k less expensive than the average property across the CF47 district.
More reading links
Schools Nearby
Public Transport Nearby
- Merthyr Tydfil|2.2 km away
- Pentre-Bach|4.6 km away
- Troed-y-rhiw|6.3 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.












