Our Data Sources
20, St. Johns Street, Porth has a single entry in the Land Registry from August 2016 and a single entry in the EPC database dated March 2016.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 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 20, St. Johns Street, Porth is in very good condition we estimate a sale value of £166,225 and a rental value of £951 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £147,227 and a rental value of £842 per month.
Plot Size
According to data from HM Land Registry, 20, St. Johns Street, Porth sits on a plot of 203 m2.
We have plot size data on 17 out of 24 other houses in the postcode and 20, St. Johns Street, Porth sits on the largest plot.
Energy Efficiency
20, St. Johns Street, Porth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 15 Mar 2016.
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
According to HM Land Registry, 20, St. Johns Street, Porth was last sold on 1st August 2016 for £124,000 and was recorded as a freehold house.
The property has only had this single sale since 1995.
Since August 2016, the market for similar properties has risen by 70.7%.
- Sold Aug 2016£124,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 98 sales of properties similar to 20, St. Johns Street, Porth within a radius of 670 metres since 2016.
The most recent example is 196, High Street, Porth, CF39 9AW, a freehold house which sold for £155,000 on the 8th May 2026.
Read more about house prices in CF39.
- Sold May 2026£155,000 | 4 Bed House196, High Street, Porth, CF39 9AW196, High Street, Porth, CF39 9AW
- Sold Feb 2026£180,000 | 4 Bed House54, Glynfach Road, Porth, CF39 9LF54, Glynfach Road, Porth, CF39 9LF
- Sold Jan 2026£130,000 | 3 Bed House3, St. Johns Street, Porth, CF39 9LA3, St. Johns Street, Porth, CF39 9LA
- Sold Nov 2025£151,000 | 4 Bed House20, Graigwen Road, Porth, CF39 9HA20, Graigwen Road, Porth, CF39 9HA
- Sold Jan 2025£150,000 | 4 Bed House29, Pontypridd Road, Porth, CF39 9PH29, Pontypridd Road, Porth, CF39 9PH
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 £147,597, ranging from £132,743 to £177,371.
- 17 St. Johns Street
3 Bed House | 20 m | Est. Value: £137,820
- 14 St. Johns Street
3 Bed House | 35 m | Est. Value: £143,816
- 25 Rickards Street
3 Bed House | 36 m | Est. Value: £138,745
- 23 Rickards Street
3 Bed House | 38 m | Est. Value: £137,096
- 16 Wyndham Street
3 Bed House | 40 m | Est. Value: £132,743
Location Comparison
St. Johns Street, Porth, CF39 has a total of 24 addresses. According to our analysis of all the public data, 20, St. Johns Street, Porth is the 6th largest and the 6th most expensive property on the street.
When compared to the postcode district it is £10k more expensive than the average property in CF39.
More reading links
Schools Nearby
Public Transport Nearby
- Porth|600 m away
- Trehafod|1.7 km away
- Dinas (Rhondda)|2.5 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.





