Our Data Sources
15, Gelli Deg, Cardiff has 41 entries in the Land Registry, most recently in February 2025 and a single entry in the EPC database dated November 2024.
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, Gelli Deg, Cardiff, we estimate a market value of £390,627 and a rental value of £1,776 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £345,984 and £1,573 per month respectively.
Plot Size
HM Land Registry records the plot of land for 15, Gelli Deg, Cardiff as measuring 190 m2.
That makes it the 20th largest plot in the postcode, where 21 of the 23 other houses have recorded plot data.
Energy Efficiency
15, Gelli Deg, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 12 Nov 2024.
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, Gelli Deg, Cardiff completed on 19th February 2025 at £361,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold 4 times.
Values of comparable properties have dropped by 3.0% over the period since February 2025.
- Sold Feb 2025£361,000
- Sold Oct 2020£310,000
- Sold Jun 2016£225,000
Similar Properties Sold Nearby
Since 2018 204 properties similar to 15, Gelli Deg, Cardiff have sold within a radius of 620 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 1st May 2026, was 16, Cwm Nofydd, Cardiff, CF14 6JX, a freehold house which sold for £335,000.
Read more about house prices in CF14.
- Sold May 2026£335,000 | 3 Bed House16, Cwm Nofydd, Cardiff, CF14 6JX16, Cwm Nofydd, Cardiff, CF14 6JX
- Sold Mar 2026£340,000 | 3 Bed House12, Cwm Nofydd, Cardiff, CF14 6JX12, Cwm Nofydd, Cardiff, CF14 6JX
- Sold Dec 2025£385,000 | 3 Bed House10, Heol Mabon, Cardiff, CF14 6RL10, Heol Mabon, Cardiff, CF14 6RL
- Sold Oct 2025£290,000 | 3 Bed House17, Clos Mabon, Cardiff, CF14 6RN17, Clos Mabon, Cardiff, CF14 6RN
- Sold Jul 2025£420,000 | 3 Bed House50, Heol Uchaf, Cardiff, CF14 6SQ50, Heol Uchaf, Cardiff, CF14 6SQ
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 £264,256, ranging from £188,047 to £455,194.
- 13 Gelli Deg
3 Bed House | 7 m | Est. Value: £348,648
- 19 Gelli Deg
4 Bed House | 15 m | Est. Value: £455,194
- 9 Gelli Deg
3 Bed House | 20 m | Est. Value: £378,150
- 21 Gelli Deg
3 Bed House | 26 m | Est. Value: £390,583
- 5 Wenallt Court
2 Bed Flat | 33 m | Est. Value: £189,177
Location Comparison
Of the 23 addresses on Gelli Deg, Cardiff, CF14, 15, Gelli Deg, Cardiff comes out as the 18th largest and the 18th most expensive in our analysis of the public data.
It is also £4k less expensive than the average property across the CF14 district.
More reading links
Schools Nearby
Public Transport Nearby
- Rhiwbina|1.0 km away
- Whitchurch (Cardiff)|1.1 km away
- Birchgrove|1.3 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.





