Our Data Sources
29, Pentwyn Isaf, Caerphilly has 21 entries in the Land Registry , most recently in February 2026 and a single entry in the EPC database dated June 2025.
We combine this information with that 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 29, Pentwyn Isaf, Caerphilly is in very good condition we estimate a sale value of £453,625 and a rental value of £1,987 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £401,783 and a rental value of £1,760 per month.
Plot Size
According to data from HM Land Registry, 29, Pentwyn Isaf, Caerphilly sits on a plot of 549 m2.
We have plot size data on 31 out of 37 other houses in the postcode and 29, Pentwyn Isaf, Caerphilly sits on the 13th largest plot.
Energy Efficiency
29, Pentwyn Isaf, Caerphilly has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 27 Jun 2025.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
According to HM Land Registry, 29, Pentwyn Isaf, Caerphilly was last sold on 6th February 2026 for £430,000 and was recorded as a freehold house.
The property has had 2 sales since 1995.
Since February 2026, the market for similar properties has risen by 2.9%.
- Sold Feb 2026£430,000
- Sold Oct 2003£157,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 25 sales of properties similar to 29, Pentwyn Isaf, Caerphilly within a radius of 760 metres over the last 2 years.
The most recent example is 15, Coed Leddyn, Caerphilly, CF83 2NF, a freehold house which sold for £385,000 on the 16th February 2026.
Read more about house prices in CF83.
- Sold Feb 2026£385,000 | 4 Bed House15, Coed Leddyn, Caerphilly, CF83 2NF15, Coed Leddyn, Caerphilly, CF83 2NF
- Sold Feb 2024£440,000 | 4 Bed House4, Pentwyn Isaf, Caerphilly, CF83 2NR4, Pentwyn Isaf, Caerphilly, CF83 2NR
- Sold Feb 2024£389,000 | 5 Bed House12, Pentwyn Isaf, Caerphilly, CF83 2NR12, Pentwyn Isaf, Caerphilly, CF83 2NR
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Pentwyn Isaf, Caerphilly, CF83 has a total of 37 addresses. According to our analysis of all the public data, 29, Pentwyn Isaf, Caerphilly is the 25th largest and the 25th most expensive property on the street.
When compared to the postcode district it is £201k more expensive than the average property in CF83.
More reading links
Schools Nearby
Public Transport Nearby
- Energlyn & Churchill Park|800 m away
- Llanbradach|1.4 km away
- Aber|1.7 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 is available in the area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.












