Our Data Sources
1, Graig Street, Mountain Ash has 2 entries in the Land Registry, most recently in August 2019 and a single entry in the EPC database dated February 2019.
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 1, Graig Street, Mountain Ash would be worth £104,057, with a potential rental value of £724 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £92,165, with a rental value of £641 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
1, Graig Street, Mountain Ash occupies a 110 m2 plot as recorded by HM Land Registry.
All 11 other houses in this postcode have recorded plot sizes, and this one ranks as the 2nd largest.
Energy Efficiency
1, Graig Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 11 Feb 2019.
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
1, Graig Street, Mountain Ash last changed hands on 14th August 2019, 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 84.9% since August 2019.
- Sold Aug 2019£90,000
- Sold Dec 2017£50,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 48 sales of comparable properties within 550 metres of 1, Graig Street, Mountain Ash since 2017.
Most recently, 31, Napier Street, Mountain Ash, CF45 3HW, a freehold house, sold at £112,000 on the 2nd September 2025.
Read more about house prices in CF45.
- Sold Sep 2025£112,000 | 3 Bed House31, Napier Street, Mountain Ash, CF45 3HW31, Napier Street, Mountain Ash, CF45 3HW
- Sold Jun 2025£85,000 | 3 Bed House10, Commercial Street, Mountain Ash, CF45 3PS10, Commercial Street, Mountain Ash, CF45 3PS
- Sold Mar 2025£80,000 | 3 Bed House109, High Street, Mountain Ash, CF45 3LN109, High Street, Mountain Ash, CF45 3LN
- Sold Jan 2025£80,000 | 3 Bed House3, Graig Street, Mountain Ash, CF45 3PD3, Graig Street, Mountain Ash, CF45 3PD
- Sold Dec 2024£85,000 | 3 Bed House55, Napier Street, Mountain Ash, CF45 3HW55, Napier Street, Mountain Ash, CF45 3HW
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 £95,752, ranging from £72,700 to £122,630.
- 3 Graig Street
3 Bed House | 4 m | Est. Value: £96,194
- 5 Graig Street
3 Bed House | 9 m | Est. Value: £81,475
- 2 Graig Street
3 Bed House | 19 m | Est. Value: £95,006
- 6 Graig Street
3 Bed House | 19 m | Est. Value: £90,095
- 10 Duffryn Street
3 Bed House | 20 m | Est. Value: £122,630
Location Comparison
Our analysis of the public data ranks 1, Graig Street, Mountain Ash as the 2nd largest and the 2nd most expensive of the 11 addresses on Graig Street, Mountain Ash, CF45.
Against the CF45 postcode district average, it is £61k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Mountain Ash|500 m away
- Fernhill|1.0 km away
- Penrhiwceiber|2.2 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.












