Our Data Sources
18, John Street, Penarth has 2 entries in the Land Registry, most recently in June 2025 and a single entry in the EPC database dated May 2024.
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 18, John Street, Penarth is in very good condition we estimate a sale value of £480,854 and a rental value of £2,311 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £425,899 and a rental value of £2,046 per month.
Plot Size
According to data from HM Land Registry, 18, John Street, Penarth sits on a plot of 169 m2.
We have plot size data on 33 out of 35 other houses in the postcode and 18, John Street, Penarth sits on the largest plot.
Energy Efficiency
18, John Street, Penarth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 21 May 2024.
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, 18, John Street, Penarth was last sold on 18th June 2025 for £425,000 and was recorded as a freehold house.
The property has had 2 sales since 1995.
Since June 2025, the market for similar properties has dropped by 16.0%.
- Sold Jun 2025£425,000
- Sold Nov 2012£234,500
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 40 sales of properties similar to 18, John Street, Penarth within a radius of 600 metres since 2015.
The most recent example is 71, Salop Street, Penarth, CF64 1HG, a freehold house which sold for £418,500 on the 9th April 2026.
Read more about house prices in CF64.
- Sold Apr 2026£418,500 | 4 Bed House71, Salop Street, Penarth, CF64 1HG71, Salop Street, Penarth, CF64 1HG
- Sold Jul 2025£525,000 | 4 Bed House19, John Street, Penarth, CF64 1DN19, John Street, Penarth, CF64 1DN
- Sold Feb 2025£257,500 | 4 Bed House30, John Street, Penarth, CF64 1DN30, John Street, Penarth, CF64 1DN
- Sold Jan 2025£402,500 | 4 Bed House71, Plassey Street, Penarth, CF64 1EP71, Plassey Street, Penarth, CF64 1EP
- Sold Dec 2024£536,500 | 4 Bed House14, Plas St. Andresse, Penarth, CF64 1BW14, Plas St. Andresse, Penarth, CF64 1BW
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 £502,745, ranging from £303,944 to £819,062.
- 19 John Street
4 Bed House | 5 m | Est. Value: £447,992
- 1 Paget Place
5 Bed House | 14 m | Est. Value: £783,201
- 2 Paget Place
4 Bed House | 20 m | Est. Value: £695,227
- 21 John Street
3 Bed House | 21 m | Est. Value: £303,944
- 22 John Street
3 Bed House | 27 m | Est. Value: £363,334
Location Comparison
John Street, Penarth, CF64 has a total of 41 addresses. According to our analysis of all the public data, 18, John Street, Penarth is the largest and the most expensive property on the street.
When compared to the postcode district it is £56k more expensive than the average property in CF64.
More reading links
Schools Nearby
Public Transport Nearby
- Dingle Road|900 m away
- Penarth|900 m away
- Cogan|1.4 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.












