Our Data Sources
6, Castle Square, Merthyr Tydfil has no recent1 records in the Land Registry and a single entry in the EPC database dated February 2023.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 6, Castle Square, Merthyr Tydfil is in very good condition we estimate a sale value of £107,761 and a rental value of £691 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £95,446 and a rental value of £612 per month.
Plot Size
According to data from HM Land Registry, 6, Castle Square, Merthyr Tydfil sits on a plot of 36 m2.
We have plot size data on 21 out of 26 other houses in the postcode and 6, Castle Square, Merthyr Tydfil sits on the 20th largest plot.
Energy Efficiency
6, Castle Square, Merthyr Tydfil has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 16 Feb 2023.
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
According to HM Land Registry, 6, Castle Square, Merthyr Tydfil was last sold on 23rd October 2006 for £56,000 and was recorded as a freehold house.
The property has had 2 sales since 1995.
- Sold Oct 2006£56,000
- Sold Dec 2003£29,950
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 26 sales of properties similar to 6, Castle Square, Merthyr Tydfil within a radius of 730 metres since 2007.
The most recent example is 22, Castle Square, Merthyr Tydfil, CF47 8NU, a freehold house which sold for £78,000 on the 6th November 2025.
Read more about house prices in CF47.
- Sold Nov 2025£78,000 | 2 Bed House22, Castle Square, Merthyr Tydfil, CF47 8NU22, Castle Square, Merthyr Tydfil, CF47 8NU
- Sold Jun 2025£120,000 | 2 Bed House61, The Grawen, Merthyr Tydfil, CF47 8NS61, The Grawen, Merthyr Tydfil, CF47 8NS
- Sold Nov 2024£85,000 | 2 Bed House19, Castle Square, Merthyr Tydfil, CF47 8NU19, Castle Square, Merthyr Tydfil, CF47 8NU
- Sold Sep 2024£90,000 | 2 Bed House10, William Street, Merthyr Tydfil, CF47 8ND10, William Street, Merthyr Tydfil, CF47 8ND
- Sold May 2024£85,000 | 2 Bed House3, Garth Street, Merthyr Tydfil, CF47 8LT3, Garth Street, Merthyr Tydfil, CF47 8LT
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 £121,229, ranging from £102,319 to £172,252.
- 7 Castle Square
3 Bed House | 4 m | Est. Value: £123,764
- 5 Castle Square
3 Bed House | 5 m | Est. Value: £121,431
- 3 Castle Square
3 Bed House | 14 m | Est. Value: £133,606
- 2 Castle Square
3 Bed House | 20 m | Est. Value: £114,930
- 10 Castle Square
2 Bed House | 20 m | Est. Value: £106,340
Location Comparison
Castle Square, Merthyr Tydfil, CF47 has a total of 26 addresses. According to our analysis of all the public data, 6, Castle Square, Merthyr Tydfil is the 25th largest and the 25th most expensive property on the street.
When compared to the postcode district it is £52k less expensive than the average property in CF47.
More reading links
Schools Nearby
Public Transport Nearby
- Merthyr Tydfil|1.1 km away
- Pentre-Bach|3.5 km away
- Troed-y-rhiw|5.3 km away
Available Internet Speeds
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.












