Our Data Sources
17, Caemaen Street, Mountain Ash has 21 entries in the Land Registry, most recently in November 2018 and a single entry in the EPC database dated June 2018.
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.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
In very good condition, we estimate 17, Caemaen Street, Mountain Ash would be worth £125,352, with a potential rental value of £824 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £111,026, with a rental value of £729 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
17, Caemaen Street, Mountain Ash occupies a 120 m2 plot as recorded by HM Land Registry.
Of the 28 other houses in this postcode, 25 have recorded plot sizes, and this one ranks as the 22nd largest.
Energy Efficiency
17, Caemaen Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 08 Jun 2018.
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
17, Caemaen Street, Mountain Ash last changed hands on 16th November 2018, selling for £90,000. 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 60.2% since November 2018.
- Sold Nov 2018£90,000
- Sold May 1995£16,500
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 133 sales of comparable properties within 1.5 kilometres of 17, Caemaen Street, Mountain Ash since 2016.
Most recently, 100, Abercynon Road, Mountain Ash, CF45 4NE, a freehold house, sold at £145,000 on the 31st October 2025.
Read more about house prices in CF45.
- Sold Oct 2025£145,000 | 3 Bed House100, Abercynon Road, Mountain Ash, CF45 4NE100, Abercynon Road, Mountain Ash, CF45 4NE
- Sold Aug 2025£121,500 | 3 Bed House22, Park View, Mountain Ash, CF45 4TP22, Park View, Mountain Ash, CF45 4TP
- Sold Oct 2024£72,000 | 3 Bed House71, Avondale Street, Mountain Ash, CF45 4AJ71, Avondale Street, Mountain Ash, CF45 4AJ
- Sold Oct 2024£39,000 | 3 Bed House92, Avondale Street, Mountain Ash, CF45 4AJ92, Avondale Street, Mountain Ash, CF45 4AJ
- Sold Aug 2024£100,000 | 3 Bed House55, Avondale Street, Mountain Ash, CF45 4YY55, Avondale Street, Mountain Ash, CF45 4YY
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 £124,920, ranging from £110,380 to £172,926.
- 15 Caemaen Street
3 Bed House | 5 m | Est. Value: £126,997
- 21 Caemaen Street
3 Bed House | 9 m | Est. Value: £114,983
- 13 Caemaen Street
3 Bed House | 10 m | Est. Value: £115,730
- 9 Caemaen Street
3 Bed House | 19 m | Est. Value: £122,375
- 18 Caemaen Street
3 Bed House | 21 m | Est. Value: £123,603
Location Comparison
Our analysis of the public data ranks 17, Caemaen Street, Mountain Ash as the 13th largest and the 13th most expensive of the 28 addresses on Caemaen Street, Abercynon, Mountain Ash, CF45.
Against the CF45 postcode district average, it is £41k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Quakers Yard|1.3 km away
- Abercynon|1.7 km away
- Penrhiwceiber|1.9 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.












