Our Data Sources
12, Phillip Street, Mountain Ash has 21 entries in the Land Registry, most recently in January 2024 and no records in the EPC database.
We combine this sold price information with public data of neighbouring properties to estimate the 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 12, Phillip Street, Mountain Ash would be worth £147,164, with a potential rental value of £903 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £130,345, with a rental value of £800 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
12, Phillip Street, Mountain Ash occupies a 133 m2 plot as recorded by HM Land Registry.
Of the 38 other houses in this postcode, 36 have recorded plot sizes, and this one ranks as the 9th largest.
Sold Prices
12, Phillip Street, Mountain Ash last changed hands on 12th January 2024, selling for £105,000. 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 13.0% since January 2024.
- Sold Jan 2024£105,000
- Sold Feb 2003£41,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 223 sales of comparable properties within 560 metres of 12, Phillip Street, Mountain Ash since 2014.
Most recently, 59, Arnold Street, Mountain Ash, CF45 4LF, a freehold house, sold at £140,000 on the 17th October 2025.
Read more about house prices in CF45.
- Sold Oct 2025£140,000 | 3 Bed House59, Arnold Street, Mountain Ash, CF45 4LF59, Arnold Street, Mountain Ash, CF45 4LF
- Sold Jul 2025£115,000 | 3 Bed House13, London Street, Mountain Ash, CF45 4BN13, London Street, Mountain Ash, CF45 4BN
- Sold Jul 2025£125,000 | 3 Bed House50, Phillip Street, Mountain Ash, CF45 4BG50, Phillip Street, Mountain Ash, CF45 4BG
- Sold Apr 2025£82,600 | 3 Bed House54, Arnold Street, Mountain Ash, CF45 4LF54, Arnold Street, Mountain Ash, CF45 4LF
- Sold Oct 2024£80,000 | 3 Bed House18, Phillip Street, Mountain Ash, CF45 4BE18, Phillip Street, Mountain Ash, CF45 4BE
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 £162,977, ranging from £103,317 to £424,756.
- 14 Phillip Street
4 Bed House | 6 m | Est. Value: £162,678
- 8 Phillip Street
4 Bed House | 14 m | Est. Value: £178,059
- 9 Phillip Street
3 Bed House | 16 m | Est. Value: £122,338
- 11 Phillip Street
3 Bed House | 18 m | Est. Value: £138,385
- 18 Phillip Street
3 Bed House | 20 m | Est. Value: £135,940
Location Comparison
Our analysis of the public data ranks 12, Phillip Street, Mountain Ash as the 32nd largest and the 23rd most expensive of the 93 addresses on Phillip Street, Mountain Ash, CF45.
Against the CF45 postcode district average, it is £20k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Mountain Ash|400 m away
- Fernhill|1.3 km away
- Penrhiwceiber|2.1 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.












