Our Data Sources
5A, Pentwyn Isaf, Caerphilly has no recent1 records in the the Land Registry and a single entry in the EPC database dated February 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
In very good condition, we estimate 5A, Pentwyn Isaf, Caerphilly would be worth £482,746, with a potential rental value of £2,172 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £427,575, with a rental value of £1,924 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
5A, Pentwyn Isaf, Caerphilly occupies a 474 m2 plot as recorded by HM Land Registry.
Of the 37 other houses in this postcode, 31 have recorded plot sizes, and this one ranks as the 23rd largest.
Energy Efficiency
5A, Pentwyn Isaf, Caerphilly has an Energy Performance Rating (EPC) of A. This is based on the most recent assessment, dated 04 Feb 2026.
The property is connected to mains gas and has fully double glazed windows. It is heated using Air source heat pump, radiators, electric.
Sold Prices
5A, Pentwyn Isaf, Caerphilly last changed hands on 12th April 2001, selling for £30,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
- Sold Apr 2001£30,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 17 sales of comparable properties within 710 metres of 5A, Pentwyn Isaf, Caerphilly across the last 2 years.
Most recently, 18, Pentwyn Isaf, Caerphilly, CF83 2NR, a freehold house, sold at £440,000 on the 10th April 2026.
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
Our analysis of the public data ranks 5A, Pentwyn Isaf, Caerphilly as the 15th largest and the 15th most expensive of the 37 addresses on Pentwyn Isaf, Caerphilly, CF83.
Against the CF83 postcode district average, it is £229k more expensive than the typical property.
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
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












