Our Data Sources
15, Lon Penllyn, Cardiff has 31 entries in the Land Registry, most recently in November 2025 and a single entry in the EPC database dated April 2021.
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.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
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 15, Lon Penllyn, Cardiff, we estimate a market value of £489,649 and a rental value of £1,843 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £433,689 and £1,632 per month respectively.
Plot Size
HM Land Registry records the plot of land for 15, Lon Penllyn, Cardiff as measuring 326 m2.
That makes it the 11th largest plot in the postcode, where 24 of the 25 other houses have recorded plot data.
Energy Efficiency
15, Lon Penllyn, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 22 Apr 2021.
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
The most recent sale of 15, Lon Penllyn, Cardiff completed on 14th November 2025 at £395,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold 3 times.
Values of comparable properties have risen by 2.3% over the period since November 2025.
- Sold Nov 2025£395,000
- Sold May 2023£367,000
- Sold Apr 2002£65,000
Similar Properties Sold Nearby
Since 2013 205 properties similar to 15, Lon Penllyn, Cardiff have sold within a radius of 580 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 16th April 2026, was 18, Lon Penllyn, Cardiff, CF14 6BZ, a freehold house which sold for £407,500.
Read more about house prices in CF14.
- Sold Apr 2026£407,500 | 3 Bed House18, Lon Penllyn, Cardiff, CF14 6BZ18, Lon Penllyn, Cardiff, CF14 6BZ
- Sold Mar 2026£380,000 | 4 Bed House38, Ty Wern Road, Cardiff, CF14 6AB38, Ty Wern Road, Cardiff, CF14 6AB
- Sold Feb 2026£462,000 | 3 Bed House74, Kyle Avenue, Cardiff, CF14 1SS74, Kyle Avenue, Cardiff, CF14 1SS
- Sold Feb 2026£443,000 | 4 Bed House3, The Graylands, Cardiff, CF14 6AS3, The Graylands, Cardiff, CF14 6AS
- Sold Jan 2026£430,000 | 3 Bed House3, Porthamal Gardens, Cardiff, CF14 6AH3, Porthamal Gardens, Cardiff, CF14 6AH
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 £440,284, ranging from £339,428 to £596,677.
- 17 Lon Penllyn
3 Bed House | 9 m | Est. Value: £388,105
- 11 Lon Penllyn
4 Bed House | 23 m | Est. Value: £491,561
- 14 Lon Penllyn
3 Bed House | 35 m | Est. Value: £383,815
- 18 Lon Penllyn
3 Bed House | 37 m | Est. Value: £441,613
- 12 Lon Penllyn
3 Bed House | 39 m | Est. Value: £370,361
Location Comparison
Of the 25 addresses on Lon Penllyn, Cardiff, CF14, 15, Lon Penllyn, Cardiff comes out as the 5th largest and the 5th most expensive in our analysis of the public data.
It is also £91k more expensive than the average property across the CF14 district.
More reading links
Schools Nearby
Public Transport Nearby
- Rhiwbina|300 m away
- Whitchurch (Cardiff)|700 m away
- Birchgrove|700 m away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
