Our Data Sources
7, Allen Street, Mountain Ash has no records in the Land Registry and a single entry in the EPC database dated May 2023.
We combine this information with public data 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.
Price Range & Condition
In very good condition, we estimate 7, Allen Street, Mountain Ash would be worth £130,012, with a potential rental value of £855 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £115,154, with a rental value of £757 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
7, Allen Street, Mountain Ash occupies a 150 m2 plot as recorded by HM Land Registry.
Of the 32 other houses in this postcode, 28 have recorded plot sizes, and this one ranks as the 3rd largest.
Energy Efficiency
7, Allen Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 31 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).
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 236 sales of comparable properties within 560 metres of 7, Allen Street, Mountain Ash since 2018.
Most recently, 26, Woodland Terrace, Mountain Ash, CF45 3RF, a freehold house, sold at £130,000 on the 1st May 2026.
Read more about house prices in CF45.
- Sold May 2026£130,000 | 3 Bed House26, Woodland Terrace, Mountain Ash, CF45 3RF26, Woodland Terrace, Mountain Ash, CF45 3RF
- Sold Apr 2026£95,000 | 3 Bed House16, Lyle Street, Mountain Ash, CF45 3RG16, Lyle Street, Mountain Ash, CF45 3RG
- Sold Jul 2025£125,000 | 3 Bed House50, Phillip Street, Mountain Ash, CF45 4BG50, Phillip Street, Mountain Ash, CF45 4BG
- Sold Apr 2025£120,000 | 3 Bed House22, Allen Street, Mountain Ash, CF45 4BD22, Allen Street, Mountain Ash, CF45 4BD
- Sold Apr 2025£82,600 | 3 Bed House54, Arnold Street, Mountain Ash, CF45 4LF54, Arnold Street, Mountain Ash, CF45 4LF
Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Explore Nearby Properties
The surrounding properties have an average estimated value of £161,813, ranging from £103,202 to £424,756.
- 5 Allen Street
3 Bed House | 5 m | Est. Value: £118,007
- 4 Allen Street
3 Bed House | 24 m | Est. Value: £115,412
- 11 Allen Street
4 Bed House | 40 m | Est. Value: £163,061
- 12 Allen Street
3 Bed House | 47 m | Est. Value: £123,155
- 4 Jeffrey Street
5 Bed House | 49 m | Est. Value: £424,756
Location Comparison
Our analysis of the public data ranks 7, Allen Street, Mountain Ash as the 44th largest and the 51st most expensive of the 63 addresses on Allen Street, Mountain Ash, CF45.
Against the CF45 postcode district average, it is £36k less expensive than the typical property.
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Schools Nearby
Public Transport Nearby
- Mountain Ash|400 m away
- Fernhill|1.2 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.












