Our Data Sources
5, Castle Square, Merthyr Tydfil has 21 entries in the Land Registry, most recently in October 2015 and a single entry in the EPC database dated June 2014.
We combine this information with that 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
In very good condition, we estimate 5, Castle Square, Merthyr Tydfil would be worth £127,502, with a potential rental value of £797 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £112,931, with a rental value of £706 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
5, Castle Square, Merthyr Tydfil occupies a 121 m2 plot as recorded by HM Land Registry.
Of the 26 other houses in this postcode, 21 have recorded plot sizes, and this one ranks as the 6th largest.
Energy Efficiency
5, Castle Square, Merthyr Tydfil has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 04 Jun 2014.
The property is not connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
5, Castle Square, Merthyr Tydfil last changed hands on 30th October 2015, selling for £82,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold twice since 1995.
The market for similar properties has risen by 64.8% since October 2015.
- Sold Oct 2015£82,000
- Sold Aug 1999£40,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 75 sales of comparable properties within 730 metres of 5, Castle Square, Merthyr Tydfil since 2016.
Most recently, 11, Brecon Road, Merthyr Tydfil, CF47 8LS, a freehold house, sold at £110,000 on the 2nd February 2026.
Read more about house prices in CF47.
- Sold Feb 2026£110,000 | 3 Bed House11, Brecon Road, Merthyr Tydfil, CF47 8LS11, Brecon Road, Merthyr Tydfil, CF47 8LS
- Sold Jul 2025£100,000 | 3 Bed House23, Mount Street, Merthyr Tydfil, CF47 8TN23, Mount Street, Merthyr Tydfil, CF47 8TN
- Sold Jan 2025£117,500 | 3 Bed House16, Grawen Terrace, Merthyr Tydfil, CF47 8TH16, Grawen Terrace, Merthyr Tydfil, CF47 8TH
- Sold Apr 2024£62,000 | 3 Bed House16, Mount Terrace, Merthyr Tydfil, CF47 8TW16, Mount Terrace, Merthyr Tydfil, CF47 8TW
- Sold Nov 2023£87,000 | 3 Bed House7, The Grawen, Merthyr Tydfil, CF47 8NP7, The Grawen, Merthyr Tydfil, CF47 8NP
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 £116,397, ranging from £77,961 to £172,252.
- 6 Castle Square
2 Bed House | 5 m | Est. Value: £102,630
- 7 Castle Square
3 Bed House | 9 m | Est. Value: £123,764
- 3 Castle Square
3 Bed House | 9 m | Est. Value: £133,606
- 2 Castle Square
3 Bed House | 15 m | Est. Value: £114,930
- 10 Castle Square
2 Bed House | 25 m | Est. Value: £106,340
Location Comparison
Our analysis of the public data ranks 5, Castle Square, Merthyr Tydfil as the 9th largest and the 9th most expensive of the 26 addresses on Castle Square, Merthyr Tydfil, CF47.
Against the CF47 postcode district average, it is £34k less expensive than the typical property.
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
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.












