Our Data Sources
11, Milbourne Street, Mountain Ash has no records in the Land Registry and a single entry in the EPC database dated January 2026.
We combine this information with public data 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 11, Milbourne Street, Mountain Ash would be worth £115,944, with a potential rental value of £791 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £102,693, with a rental value of £700 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
11, Milbourne Street, Mountain Ash occupies a 115 m2 plot as recorded by HM Land Registry.
Of the 29 other houses in this postcode, 24 have recorded plot sizes, and this one ranks as the 15th largest.
Energy Efficiency
11, Milbourne Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 31 Jan 2026.
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 231 sales of comparable properties within 1.4 kilometres of 11, Milbourne Street, Mountain Ash since 2013.
Most recently, 7, Walsh Street, Mountain Ash, CF45 4YS, a freehold house, sold at £75,000 on the 18th September 2025.
Read more about house prices in CF45.
- Sold Sep 2025£75,000 | 3 Bed House7, Walsh Street, Mountain Ash, CF45 4YS7, Walsh Street, Mountain Ash, CF45 4YS
- Sold Jun 2025£59,000 | 3 Bed House2, Walsh Street, Mountain Ash, CF45 4YS2, Walsh Street, Mountain Ash, CF45 4YS
- Sold Apr 2025£123,000 | 3 Bed House21, Glamorgan Street, Mountain Ash, CF45 3HX21, Glamorgan Street, Mountain Ash, CF45 3HX
- Sold Mar 2025£82,500 | 3 Bed House3, Morris Avenue, Mountain Ash, CF45 3TW3, Morris Avenue, Mountain Ash, CF45 3TW
- Sold Dec 2024£100,000 | 3 Bed House7, Halswell Street, Mountain Ash, CF45 4YN7, Halswell Street, Mountain Ash, CF45 4YN
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 £112,034, ranging from £99,249 to £135,330.
- 13 Milbourne Street
3 Bed House | 5 m | Est. Value: £107,615
- 15 Milbourne Street
3 Bed House | 10 m | Est. Value: £115,144
- 17 Milbourne Street
3 Bed House | 16 m | Est. Value: £104,717
- 3 Milbourne Street
3 Bed House | 20 m | Est. Value: £106,178
- 12 Milbourne Street
3 Bed House | 21 m | Est. Value: £113,818
Location Comparison
Our analysis of the public data ranks 11, Milbourne Street, Mountain Ash as the 14th largest and the 14th most expensive of the 29 addresses on Milbourne Street, Mountain Ash, CF45.
Against the CF45 postcode district average, it is £52k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Penrhiwceiber|1.1 km away
- Quakers Yard|1.9 km away
- Abercynon|2.5 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.












