Our Data Sources
11, Harcourt Road, 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 4 out of 5 and is considered of high accuracy.
Price Range & Condition
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 11, Harcourt Road, Mountain Ash is in very good condition we estimate a sale value of £187,797 and a rental value of £979 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £166,335 and a rental value of £867 per month.
Plot Size
According to data from HM Land Registry, 11, Harcourt Road, Mountain Ash sits on a plot of 176 m2.
We have plot size data on 20 out of 23 other houses in the postcode and 11, Harcourt Road, Mountain Ash sits on the 14th largest plot.
Energy Efficiency
11, Harcourt Road, Mountain Ash has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 23 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
According to the Land Registry and our network of Estate Agents, there have been 87 sales of properties similar to 11, Harcourt Road, Mountain Ash within a radius of 730 metres since 2017.
The most recent example is 12, Beckett Street, Mountain Ash, CF45 4AW, a freehold house which sold for £150,000 on the 8th May 2026.
Read more about house prices in CF45.
- Sold May 2026£150,000 | 3 Bed House12, Beckett Street, Mountain Ash, CF45 4AW12, Beckett Street, Mountain Ash, CF45 4AW
- Sold Mar 2026£189,998 | 3 Bed House59, Allen Street, Mountain Ash, CF45 4BB59, Allen Street, Mountain Ash, CF45 4BB
- Sold Feb 2026£160,000 | 3 Bed House10, The Triangle, Mountain Ash, CF45 4BA10, The Triangle, Mountain Ash, CF45 4BA
- Sold Feb 2026£158,000 | 3 Bed House24, Richmond Road, Mountain Ash, CF45 4AN24, Richmond Road, Mountain Ash, CF45 4AN
- Sold Jul 2025£210,000 | 4 Bed House18, Richmond Road, Mountain Ash, CF45 4AN18, Richmond Road, Mountain Ash, CF45 4AN
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 £161,885, ranging from £109,277 to £208,101.
- 9 Harcourt Road
4 Bed House | 14 m | Est. Value: £192,813
- 13 Harcourt Road
4 Bed House | 14 m | Est. Value: £208,101
- 14 Harcourt Road
3 Bed House | 21 m | Est. Value: £177,006
- 8 Harcourt Road
3 Bed House | 22 m | Est. Value: £182,197
- 7 Harcourt Road
3 Bed House | 26 m | Est. Value: £178,753
Location Comparison
Harcourt Road, Mountain Ash, CF45 has a total of 23 addresses. According to our analysis of all the public data, 11, Harcourt Road, Mountain Ash is the 10th largest and the 10th most expensive property on the street.
When compared to the postcode district it is £19k more expensive than the average property in CF45.
More reading links
Schools Nearby
Public Transport Nearby
- Fernhill|700 m away
- Mountain Ash|800 m away
- Penrhiwceiber|2.4 km away
Available Internet Speeds
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.












