Our Data Sources
34, Twelfth Avenue, Merthyr Tydfil has a single entry in the Land Registry from October 2025 and a single entry in the EPC database dated June 2024.
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
In very good condition, we estimate 34, Twelfth Avenue, Merthyr Tydfil would be worth £93,468, with a potential rental value of £670 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £82,786, with a rental value of £594 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
34, Twelfth Avenue, Merthyr Tydfil occupies a 305 m2 plot as recorded by HM Land Registry.
Of the 22 other houses in this postcode, 15 have recorded plot sizes, and this one ranks as the 9th largest.
Energy Efficiency
34, Twelfth Avenue, Merthyr Tydfil has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 11 Jun 2024.
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
34, Twelfth Avenue, Merthyr Tydfil last changed hands on 23rd October 2025, selling for £85,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has risen by 18.6% since October 2025.
- Sold Oct 2025£85,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 7 sales of comparable properties within 710 metres of 34, Twelfth Avenue, Merthyr Tydfil since 2008.
Most recently, 10, Plane Grove, Merthyr Tydfil, CF47 9SE, a freehold house, sold at £58,000 on the 1st September 2025.
Read more about house prices in CF47.
- Sold Sep 2025£58,000 | 3 Bed House10, Plane Grove, Merthyr Tydfil, CF47 9SE10, Plane Grove, Merthyr Tydfil, CF47 9SE
- Sold Sep 2022£70,000 | 2 Bed House49, Sycamore Road, Merthyr Tydfil, CF47 9RU49, Sycamore Road, Merthyr Tydfil, CF47 9RU
- Sold Aug 2022£73,000 | 3 Bed House5, Goitre Lane, Merthyr Tydfil, CF47 9SA5, Goitre Lane, Merthyr Tydfil, CF47 9SA
- Sold Aug 2022£67,500 | 3 Bed House3, Fifth Avenue, Merthyr Tydfil, CF47 9TR3, Fifth Avenue, Merthyr Tydfil, CF47 9TR
- Sold Sep 2017£50,000 | 3 Bed House16, Eleventh Avenue, Merthyr Tydfil, CF47 9SU16, Eleventh Avenue, Merthyr Tydfil, CF47 9SU
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 £104,434, ranging from £87,404 to £129,949.
- 32 Twelfth Avenue
3 Bed House | 9 m | Est. Value: £89,715
- 30 Twelfth Avenue
3 Bed House | 15 m | Est. Value: £112,151
- 38 Twelfth Avenue
4 Bed House | 17 m | Est. Value: £129,949
- 26 Twelfth Avenue
3 Bed House | 29 m | Est. Value: £93,131
- 23 Twelfth Avenue
3 Bed House | 31 m | Est. Value: £108,549
Location Comparison
Our analysis of the public data ranks 34, Twelfth Avenue, Merthyr Tydfil as the 61st largest and the 62nd most expensive of the 63 addresses on Twelfth Avenue, Merthyr Tydfil, CF47.
Against the CF47 postcode district average, it is £67k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Merthyr Tydfil|2.3 km away
- Pentre-Bach|4.4 km away
- Rhymney|5.6 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












