Our Data Sources
1, Pentwyn Isaf, Caerphilly has a single entry in the Land Registry from January 2007 and a single entry in the EPC database dated September 2010.
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
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 1, Pentwyn Isaf, Caerphilly, we estimate a market value of £468,755 and a rental value of £2,017 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £415,183 and £1,787 per month respectively.
Plot Size
HM Land Registry records the plot of land for 1, Pentwyn Isaf, Caerphilly as measuring 437 m2.
That makes it the 26th largest plot in the postcode, where 31 of the 37 other houses have recorded plot data.
Energy Efficiency
1, Pentwyn Isaf, Caerphilly has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 24 Sep 2010.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
The most recent sale of 1, Pentwyn Isaf, Caerphilly completed on 31st January 2007 at £169,950 and was recorded by HM Land Registry as a freehold house.
Since 1995 this is the property's only sale.
Values of comparable properties have risen by 76.7% over the period since January 2007.
- Sold Jan 2007£169,950
Similar Properties Sold Nearby
Over the past 2 years 21 properties similar to 1, Pentwyn Isaf, Caerphilly have sold within a radius of 680 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 10th April 2026, was 18, Pentwyn Isaf, Caerphilly, CF83 2NR, a freehold house which sold for £440,000.
Read more about house prices in CF83.
- Sold Apr 2026£440,000 | 5 Bed House18, Pentwyn Isaf, Caerphilly, CF83 2NR18, Pentwyn Isaf, Caerphilly, CF83 2NR
- Sold Feb 2026£430,000 | 4 Bed House29, Pentwyn Isaf, Caerphilly, CF83 2NR29, 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
Of the 37 addresses on Pentwyn Isaf, Caerphilly, CF83, 1, Pentwyn Isaf, Caerphilly comes out as the 19th largest and the 23rd most expensive in our analysis of the public data.
It is also £215k more expensive than the average property across the CF83 district.
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
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












