Our Data Sources
9, Dderwen Deg, Cardiff has a single entry in the Land Registry from June 2015 and a single entry in the EPC database dated June 2015.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium 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 9, Dderwen Deg, Cardiff, we estimate a market value of £1,061,798 and a rental value of £3,212 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £940,450 and £2,845 per month respectively.
Plot Size
HM Land Registry records the plot of land for 9, Dderwen Deg, Cardiff as measuring 604 m2.
That makes it the 7th largest plot in the postcode, where all 13 other houses have recorded plot data.
Energy Efficiency
9, Dderwen Deg, Cardiff has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 17 Jun 2015.
The property is not connected to mains gas and has high performance glazing. It is heated using a boiler& underfloor (mains gas).
Sold Prices
The most recent sale of 9, Dderwen Deg, Cardiff completed on 26th June 2015 at £724,995 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 17.3% over the period since June 2015.
- Sold Jun 2015£724,995
Similar Properties Sold Nearby
Since 2011 33 properties similar to 9, Dderwen Deg, Cardiff have sold within a radius of 1.2 kilometres, per the Land Registry and our network of Estate Agents.
The latest, on the 4th July 2025, was 7, The Mount, Cardiff, CF14 0FJ, a freehold house which sold for £990,000.
Read more about house prices in CF14.
- Sold Jul 2025£990,000 | 5 Bed House7, The Mount, Cardiff, CF14 0FJ7, The Mount, Cardiff, CF14 0FJ
- Sold Jul 2025£790,000 | 5 Bed HouseAshgrove House, Graig Road, Cardiff, CF14 0UFAshgrove House, Graig Road, Cardiff, CF14 0UF
- Sold May 2025£915,000 | 5 Bed HouseThe Firs, Graig Road, Cardiff, CF14 0UFThe Firs, Graig Road, Cardiff, CF14 0UF
- Sold Oct 2024£1,075,000 | 5 Bed House30, Millwood, Cardiff, CF14 0TL30, Millwood, Cardiff, CF14 0TL
- Sold Nov 2022£874,995 | 5 Bed House11, Lon Coetgae, Cardiff, CF14 0AH11, Lon Coetgae, Cardiff, CF14 0AH
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 £595,675, ranging from £201,882 to £1,143,410.
- 7 Dderwen Deg
5 Bed House | 16 m | Est. Value: £1,143,410
- 34 Tyn Y Berllan
3 Bed House | 20 m | Est. Value: £482,619
- 30 Tyn Y Berllan
2 Bed Flat | 28 m | Est. Value: £201,882
- 32 Tyn Y Berllan
2 Bed Flat | 28 m | Est. Value: £223,283
- 11 Dderwen Deg
5 Bed House | 34 m | Est. Value: £1,011,236
Location Comparison
Of the 13 addresses on Dderwen Deg, Lisvane, Cardiff, CF14, 9, Dderwen Deg, Cardiff comes out as the 9th largest and the 9th most expensive in our analysis of the public data.
It is also £639k more expensive than the average property across the CF14 district.
More reading links
Schools Nearby
Public Transport Nearby
- Lisvane & Thornhill|1.4 km away
- Llanishen|1.5 km away
- Heath High Level|3.1 km 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.












