According to data from HM Land Registry, 18, Harlech Road, Cardiff sits on a plot of 358 m².

We have plot size data on 13 out of 21 other houses in the postcode and 18, Harlech Road, Cardiff sits on the 5th largest plot.

18, Harlech Road, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 11 Jan 2025.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

According to HM Land Registry, 18, Harlech Road, Cardiff was last sold on 4th July 2025 for £108,000 and was recorded as a freehold house.

The property has had 2 sales since 1995.

Since July 2025, the market for similar properties has risen by 11.9%.

• Sold Jul 2025£108,000
• Sold Mar 2007£103,950

According to the Land Registry and our network of Estate Agents, there have been 31 sales of properties similar to 18, Harlech Road, Cardiff within a radius of 670 metres since 2007.

The most recent example is 20, Harlech Road, Cardiff, CF3 3HS, a freehold house which sold for £195,000 on the 1st December 2025.

Read more about house prices in CF3.

• Sold Dec 2025£195,000 | 3 Bed House20, Harlech Road, Cardiff, CF3 3HS20, Harlech Road, Cardiff, CF3 3HS
• Sold Nov 2025£195,000 | 3 Bed House3 Pwllmawr Court, Wentloog Road, Cardiff, CF3 3EP3 Pwllmawr Court, Wentloog Road, Cardiff, CF3 3EP
• Sold Aug 2025£200,000 | 3 Bed House10, Harlech Road, Cardiff, CF3 3HS10, Harlech Road, Cardiff, CF3 3HS
• Sold Feb 2025£195,000 | 3 Bed House39, Goodwick Road, Cardiff, CF3 3HX39, Goodwick Road, Cardiff, CF3 3HX
• Sold Dec 2023£130,000 | 3 Bed House22, Harlech Road, Cardiff, CF3 3HS22, Harlech Road, Cardiff, CF3 3HS
• Sold Sep 2023£162,000 | 3 Bed House54, Barmouth Road, Cardiff, CF3 3LA54, Barmouth Road, Cardiff, CF3 3LA
• Sold Jul 2023£200,000 | 3 Bed House11, Laugharne Avenue, Cardiff, CF3 3HZ11, Laugharne Avenue, Cardiff, CF3 3HZ
• Sold Nov 2022£180,000 | 3 Bed House12, Llanstephan Road, Cardiff, CF3 3JB12, Llanstephan Road, Cardiff, CF3 3JB
• Sold Jun 2021£190,000 | 3 Bed House19, Nevin Crescent, Cardiff, CF3 3NU19, Nevin Crescent, Cardiff, CF3 3NU
• Sold Apr 2021£170,000 | 3 Bed House8, Laugharne Road, Cardiff, CF3 3HY8, Laugharne Road, Cardiff, CF3 3HY
• Sold Dec 2020£145,000 | 3 Bed House9, Harlech Road, Cardiff, CF3 3HS9, Harlech Road, Cardiff, CF3 3HS
• Sold Mar 2020£164,995 | 3 Bed House154, Greenway Road, Cardiff, CF3 3PN154, Greenway Road, Cardiff, CF3 3PN
• Sold Dec 2019£89,000 | 3 Bed House1, Fontygary Road, Cardiff, CF3 3HR1, Fontygary Road, Cardiff, CF3 3HR
• Sold Oct 2019£173,000 | 3 Bed House8, Fontygary Road, Cardiff, CF3 3HR8, Fontygary Road, Cardiff, CF3 3HR
• Sold Jul 2018£129,000 | 3 Bed House10, Laugharne Avenue, Cardiff, CF3 3HZ10, Laugharne Avenue, Cardiff, CF3 3HZ
• Sold Jul 2018£133,000 | 3 Bed House12, Harris Avenue, Cardiff, CF3 1QE12, Harris Avenue, Cardiff, CF3 1QE
• Sold Jul 2017£105,000 | 3 Bed House3, Fontygary Road, Cardiff, CF3 3HR3, Fontygary Road, Cardiff, CF3 3HR
• Sold Mar 2017£112,000 | 3 Bed House32, Harlech Road, Cardiff, CF3 3HS32, Harlech Road, Cardiff, CF3 3HS
• Sold Aug 2008£77,000 | 3 Bed House12, Harlech Road, Cardiff, CF3 3HS12, Harlech Road, Cardiff, CF3 3HS
• Sold Aug 2007£90,000 | 3 Bed House5, Fontygary Road, Cardiff, CF3 3HR5, Fontygary Road, Cardiff, CF3 3HR

Harlech Road, Rumney, Cardiff, CF3 has a total of 48 addresses. According to our analysis of all the public data, 18, Harlech Road, Cardiff is the 12th largest and the 24th most expensive property on the street.

When compared to the postcode district it is £77k less expensive than the average property in CF3.

• Cardiff Queen Street

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  4.3 km away
• Heath Low Level

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  4.3 km away
• Heath High Level

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  4.3 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.