Our Data Sources
17, St. Marys Close, Merthyr Tydfil has a single entry in the Land Registry from March 2024 and a single entry in the EPC database dated May 2023.
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
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 17, St. Marys Close, Merthyr Tydfil, we estimate a market value of £290,390 and a rental value of £1,072 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £257,203 and £949 per month respectively.
Plot Size
HM Land Registry records the plot of land for 17, St. Marys Close, Merthyr Tydfil as measuring 184 m2.
That makes it the 18th largest plot in the postcode, where 18 of the 21 other houses have recorded plot data.
Energy Efficiency
17, St. Marys Close, Merthyr Tydfil has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 09 May 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
The most recent sale of 17, St. Marys Close, Merthyr Tydfil completed on 1st March 2024 at £230,000 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 dropped by 22.9% over the period since March 2024.
- Sold Mar 2024£230,000
Similar Properties Sold Nearby
Since 2013 47 properties similar to 17, St. Marys Close, Merthyr Tydfil have sold within a radius of 560 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 19th December 2025, was 15, Penydarren Park, Merthyr Tydfil, CF47 8YW, a freehold house which sold for £320,000.
Read more about house prices in CF47.
- Sold Dec 2025£320,000 | 3 Bed House15, Penydarren Park, Merthyr Tydfil, CF47 8YW15, Penydarren Park, Merthyr Tydfil, CF47 8YW
- Sold Sep 2025£275,000 | 4 Bed House41, Penydarren Park, Merthyr Tydfil, CF47 8YW41, Penydarren Park, Merthyr Tydfil, CF47 8YW
- Sold Jul 2025£265,000 | 4 Bed House5, Alexandra Road, Merthyr Tydfil, CF47 9AA5, Alexandra Road, Merthyr Tydfil, CF47 9AA
- Sold Feb 2025£255,000 | 4 Bed House27, Penydarren Park, Merthyr Tydfil, CF47 8YP27, Penydarren Park, Merthyr Tydfil, CF47 8YP
- Sold Oct 2024£252,500 | 4 Bed House20, Lancaster Villas, Merthyr Tydfil, CF47 8SN20, Lancaster Villas, Merthyr Tydfil, CF47 8SN
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 £329,287, ranging from £205,460 to £501,634.
- 18 St. Marys Close
3 Bed House | 9 m | Est. Value: £236,910
- 16 St. Marys Close
4 Bed House | 10 m | Est. Value: £309,089
- 20 St. Marys Close
4 Bed House | 31 m | Est. Value: £272,666
- 9 St. Marys Close
4 Bed House | 31 m | Est. Value: £284,144
- 14 St. Marys Close
4 Bed House | 31 m | Est. Value: £313,126
Location Comparison
Of the 21 addresses on St. Marys Close, Merthyr Tydfil, CF47, 17, St. Marys Close, Merthyr Tydfil comes out as the 14th largest and the 14th most expensive in our analysis of the public data.
It is also £120k more expensive than the average property across the CF47 district.
More reading links
Schools Nearby
Public Transport Nearby
- Merthyr Tydfil|1.1 km away
- Pentre-Bach|3.5 km away
- Troed-y-rhiw|5.2 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.
