Our Data Sources
23, Heol Mynydd Bychan, Cardiff has 21 entries in the Land Registry , most recently in December 2025 and a single entry in the EPC database dated May 2025.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 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 23, Heol Mynydd Bychan, Cardiff, we estimate a market value of £583,500 and a rental value of £1,838 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £516,814 and £1,628 per month respectively.
Plot Size
HM Land Registry records the plot of land for 23, Heol Mynydd Bychan, Cardiff as measuring 320 m2.
That makes it the 5th largest plot in the postcode, where all 30 other houses have recorded plot data.
Energy Efficiency
23, Heol Mynydd Bychan, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 01 May 2025.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, LPG.
Sold Prices
The most recent sale of 23, Heol Mynydd Bychan, Cardiff completed on 5th December 2025 at £575,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold twice.
Values of comparable properties have risen by 10.7% over the period since December 2025.
- Sold Dec 2025£575,000
- Sold Aug 2004£287,000
Similar Properties Sold Nearby
Over the past 2 years 3 properties similar to 23, Heol Mynydd Bychan, Cardiff have sold within a radius of 480 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 19th March 2025, was 21, Heol Mynydd Bychan, Cardiff, CF14 4NL, a freehold house which sold for £525,000.
Read more about house prices in CF14.
- Sold Mar 2025£525,000 | 4 Bed House21, Heol Mynydd Bychan, Cardiff, CF14 4NL21, Heol Mynydd Bychan, Cardiff, CF14 4NL
- Sold Jul 2024£575,000 | 4 Bed House2, Milestone Close, Cardiff, CF14 4NQ2, Milestone Close, Cardiff, CF14 4NQ
- Sold Oct 2023£535,000 | 4 Bed House25, Heol Mynydd Bychan, Cardiff, CF14 4NL25, Heol Mynydd Bychan, Cardiff, CF14 4NL
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Of the 31 addresses on Heol Mynydd Bychan, Cardiff, CF14, 23, Heol Mynydd Bychan, Cardiff comes out as the 5th largest and the 4th most expensive in our analysis of the public data.
It is also £190k more expensive than the average property across the CF14 district.
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Schools Nearby
Public Transport Nearby
- 400mTy Glas
- 400mBirchgrove
- 1.0kmRhiwbina
Available Internet Speeds
Broadband here reaches ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast broadband is available in the area.
Risk of Flooding
The flood risk here is rated very low, based on Environment Agency data.












