Our Data Sources
1, Heol Penllwyn, Cardiff has 21 entries in the Land Registry , most recently in November 2014 and a single entry in the EPC database dated August 2025.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
Price Range & Condition
In very good condition, we estimate 1, Heol Penllwyn, Cardiff would be worth £259,998, with a potential rental value of £1,689 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £230,284, with a rental value of £1,496 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
1, Heol Penllwyn, Cardiff occupies a 178 m2 plot as recorded by HM Land Registry.
All 6 other houses in this postcode have recorded plot sizes, and this one ranks as the 6th largest.
Energy Efficiency
1, Heol Penllwyn, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 18 Aug 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
1, Heol Penllwyn, Cardiff last changed hands on 17th November 2014, selling for £163,750. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold twice since 1995.
The market for similar properties has risen by 57.8% since November 2014.
- Sold Nov 2014£163,750
- Sold Aug 1999£59,950
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 18 sales of comparable properties within 2.1 kilometres of 1, Heol Penllwyn, Cardiff across the last 2 years.
Most recently, 25, Fair Meadow, Cardiff, CF15 9QY, a freehold house, sold at £222,500 on the 27th February 2026.
Read more about house prices in CF15.
- Sold Feb 2026£222,500 | 3 Bed House25, Fair Meadow, Cardiff, CF15 9QY25, Fair Meadow, Cardiff, CF15 9QY
- Sold Jun 2025£280,000 | 3 Bed House3, Cefn Penuel, Cardiff, CF15 9TB3, Cefn Penuel, Cardiff, CF15 9TB
- Sold Oct 2023£230,000 | 3 Bed House24, Fair Meadow, Cardiff, CF15 9QY24, Fair Meadow, Cardiff, CF15 9QY
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 1, Heol Penllwyn, Cardiff as the 6th largest and the 6th most expensive of the 6 addresses on Heol Penllwyn, Pentyrch, Cardiff, CF15.
Against the CF15 postcode district average, it is £145k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Taffs Well|2.9 km away
- Radyr|4.1 km away
- Trefforest Estate|4.2 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.












