Our Data Sources
18, Topaz Street, Cardiff has 31 entries in the Land Registry, most recently in March 2017 and a single entry in the EPC database dated September 2025.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 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
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 18, Topaz Street, Cardiff is in very good condition we estimate a sale value of £226,697 and a rental value of £1,361 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £200,789 and a rental value of £1,205 per month.
Plot Size
According to data from HM Land Registry, 18, Topaz Street, Cardiff sits on a plot of 125 m2.
We have plot size data on 28 out of 29 other houses in the postcode and 18, Topaz Street, Cardiff sits on the 17th largest plot.
Energy Efficiency
18, Topaz Street, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 07 Sep 2025.
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
According to HM Land Registry, 18, Topaz Street, Cardiff was last sold on 31st March 2017 for £156,000 and was recorded as a freehold house.
The property has had 3 sales since 1995.
Since March 2017, the market for similar properties has risen by 67.3%.
- Sold Mar 2017£156,000
- Sold May 2007£153,150
- Sold Jul 2006£112,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 284 sales of properties similar to 18, Topaz Street, Cardiff within a radius of 340 metres since 2022.
The most recent example is 52, Pearl Street, Cardiff, CF24 1PP, a freehold house which sold for £177,000 on the 26th March 2026.
Read more about house prices in CF24.
- Sold Mar 2026£177,000 | 3 Bed House52, Pearl Street, Cardiff, CF24 1PP52, Pearl Street, Cardiff, CF24 1PP
- Sold Mar 2026£245,000 | 3 Bed House8, Lead Street, Cardiff, CF24 0LJ8, Lead Street, Cardiff, CF24 0LJ
- Sold Jan 2026£220,000 | 3 Bed House58, Pearl Street, Cardiff, CF24 1PP58, Pearl Street, Cardiff, CF24 1PP
- Sold Nov 2025£185,000 | 3 Bed House62, Pearl Street, Cardiff, CF24 1PP62, Pearl Street, Cardiff, CF24 1PP
- Sold Jul 2025£205,000 | 3 Bed House60, Pearl Street, Cardiff, CF24 1PP60, Pearl Street, Cardiff, CF24 1PP
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 £226,661, ranging from £208,113 to £237,505.
- 20 Topaz Street
4 Bed House | 5 m | Est. Value: £230,255
- 14 Topaz Street
4 Bed House | 10 m | Est. Value: £228,139
- 12 Topaz Street
3 Bed House | 16 m | Est. Value: £208,113
- 26 Topaz Street
4 Bed House | 21 m | Est. Value: £237,505
- 17 Topaz Street
4 Bed House | 23 m | Est. Value: £235,240
Location Comparison
Topaz Street, Cardiff, CF24 has a total of 73 addresses. According to our analysis of all the public data, 18, Topaz Street, Cardiff is the 43rd largest and the 41st most expensive property on the street.
When compared to the postcode district it is £10k less expensive than the average property in CF24.
More reading links
Schools Nearby
Public Transport Nearby
- Cardiff Queen Street|1.1 km away
- Cathays|1.6 km away
- Cardiff Central|1.9 km away
Available Internet Speeds
According to recent data from Ofcom, Ultrafast Broadband is available in this area.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.












