Our Data Sources
11, Glancynon Street, Mountain Ash has no recent1 records in the Land Registry and a single entry in the EPC database dated April 2021.
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.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 11, Glancynon Street, Mountain Ash, we estimate a market value of £136,603 and a rental value of £855 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £120,991 and £758 per month respectively.
Plot Size
HM Land Registry records the plot of land for 11, Glancynon Street, Mountain Ash as measuring 138 m2.
That makes it the 14th largest plot in the postcode, where 20 of the 25 other houses have recorded plot data.
Energy Efficiency
11, Glancynon Street, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 29 Apr 2021.
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
The most recent sale of 11, Glancynon Street, Mountain Ash completed on 22nd June 1997 at £26,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 this is the property's only sale.
- Sold Jun 1997£26,000
Similar Properties Sold Nearby
Since 2022 231 properties similar to 11, Glancynon Street, Mountain Ash have sold within a radius of 630 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 20th March 2026, was 70, Clarence Street, Mountain Ash, CF45 3BD, a freehold house which sold for £135,000.
Read more about house prices in CF45.
- Sold Mar 2026£135,000 | 3 Bed House70, Clarence Street, Mountain Ash, CF45 3BD70, Clarence Street, Mountain Ash, CF45 3BD
- Sold Feb 2026£145,000 | 3 Bed House12, Thomas Street, Mountain Ash, CF45 3BU12, Thomas Street, Mountain Ash, CF45 3BU
- Sold Nov 2025£65,000 | 3 Bed House110, Woodfield Terrace, Mountain Ash, CF45 3UT110, Woodfield Terrace, Mountain Ash, CF45 3UT
- Sold Oct 2025£112,000 | 3 Bed House32, Oakland Street, Mountain Ash, CF45 3AL32, Oakland Street, Mountain Ash, CF45 3AL
- Sold Sep 2025£130,000 | 3 Bed House14, Oakland Street, Mountain Ash, CF45 3AL14, Oakland Street, Mountain Ash, CF45 3AL
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 £121,393, ranging from £71,069 to £266,866.
- 12 Glancynon Street
3 Bed House | 4 m | Est. Value: £130,806
- 10 Glancynon Street
3 Bed House | 6 m | Est. Value: £111,549
- 13 Glancynon Street
3 Bed House | 9 m | Est. Value: £123,515
- 14 Glancynon Street
3 Bed House | 14 m | Est. Value: £129,385
- 4 Rose Cottages Glancynon Street
3 Bed House | 18 m | Est. Value: £124,791
Location Comparison
Of the 28 addresses on Glancynon Street, Mountain Ash, CF45, 11, Glancynon Street, Mountain Ash comes out as the 14th largest and the 12th most expensive in our analysis of the public data.
It is also £30k less expensive than the average property across the CF45 district.
More reading links
Schools Nearby
Public Transport Nearby
- Mountain Ash|900 m away
- Penrhiwceiber|900 m away
- Fernhill|2.2 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












