According to data from HM Land Registry, 18, Colwyn Road, Cardiff sits on a plot of 448 m².

We have plot size data on 18 out of 25 other houses in the postcode and 18, Colwyn Road, Cardiff sits on the 2nd largest plot.

18, Colwyn Road, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 14 Nov 2019.

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, Colwyn Road, Cardiff was last sold on 16th April 2021 for £230,000 and was recorded as a freehold house.

The property has had 2 sales since 1995.

Since April 2021, the market for similar properties has risen by 28.0%.

• Sold Apr 2021£230,000
• Sold Jun 2012£125,000

According to the Land Registry and our network of Estate Agents, there have been 55 sales of properties similar to 18, Colwyn Road, Cardiff within a radius of 560 metres since 2012.

The most recent example is 9A, The Grove, Cardiff, CF3 3HG, a freehold house which sold for £350,000 on the 31st October 2025.

Read more about house prices in CF3.

• Sold Oct 2025£350,000 | 4 Bed House9A, The Grove, Cardiff, CF3 3HG9A, The Grove, Cardiff, CF3 3HG
• Sold Oct 2025£267,000 | 4 Bed House12, Goodwick Road, Cardiff, CF3 3HW12, Goodwick Road, Cardiff, CF3 3HW
• Sold Jul 2025£310,000 | 4 Bed House23, The Grove, Cardiff, CF3 3HG23, The Grove, Cardiff, CF3 3HG
• Sold May 2025£285,000 | 4 Bed House1, Pwllmawr Avenue, Cardiff, CF3 3HH1, Pwllmawr Avenue, Cardiff, CF3 3HH
• Sold Mar 2025£299,950 | 4 Bed House9, Pwllmawr Avenue, Cardiff, CF3 3HH9, Pwllmawr Avenue, Cardiff, CF3 3HH
• Sold Dec 2024£247,000 | 4 Bed House18, Barmouth Road, Cardiff, CF3 3JZ18, Barmouth Road, Cardiff, CF3 3JZ
• Sold Dec 2024£346,000 | 4 Bed House146, Wentloog Road, Cardiff, CF3 3EB146, Wentloog Road, Cardiff, CF3 3EB
• Sold Nov 2024£310,000 | 4 Bed House27, Llanrumney Avenue, Cardiff, CF3 4BP27, Llanrumney Avenue, Cardiff, CF3 4BP
• Sold Sep 2024£310,000 | 4 Bed House18, Ty Fry Gardens, Cardiff, CF3 3NQ18, Ty Fry Gardens, Cardiff, CF3 3NQ
• Sold Jul 2023£338,000 | 4 Bed House5, Lynton Terrace, Cardiff, CF3 4BR5, Lynton Terrace, Cardiff, CF3 4BR
• Sold Jul 2021£265,000 | 4 Bed House45, Llanstephan Road, Cardiff, CF3 3JA45, Llanstephan Road, Cardiff, CF3 3JA
• Sold Jan 2021£345,000 | 4 Bed House38, Linden Grove, Cardiff, CF3 4LQ38, Linden Grove, Cardiff, CF3 4LQ
• Sold Dec 2020£208,000 | 4 Bed House33, Barmouth Road, Cardiff, CF3 3LA33, Barmouth Road, Cardiff, CF3 3LA
• Sold Aug 2020£220,000 | 4 Bed House15B, The Grove, Cardiff, CF3 3HG15B, The Grove, Cardiff, CF3 3HG
• Sold Jun 2020£125,000 | 4 Bed House24, Farmleigh, Cardiff, CF3 3LE24, Farmleigh, Cardiff, CF3 3LE
• Sold Dec 2019£225,000 | 4 Bed House2, Caeglas Avenue, Cardiff, CF3 3JY2, Caeglas Avenue, Cardiff, CF3 3JY
• Sold Jun 2019£286,500 | 4 Bed House3, Ty Fry Close, Cardiff, CF3 3NR3, Ty Fry Close, Cardiff, CF3 3NR
• Sold Jun 2019£243,000 | 4 Bed House4, Cae Glas Road, Cardiff, CF3 3JU4, Cae Glas Road, Cardiff, CF3 3JU
• Sold Jul 2013£165,000 | 4 Bed House3, Colwyn Road, Cardiff, CF3 3JS3, Colwyn Road, Cardiff, CF3 3JS
• Sold Dec 2012£200,000 | 4 Bed House25, Claremont Crescent, Cardiff, CF3 4LS25, Claremont Crescent, Cardiff, CF3 4LS

Colwyn Road, Rumney, Cardiff, CF3 has a total of 25 addresses. According to our analysis of all the public data, 18, Colwyn Road, Cardiff is the 2nd largest and the 2nd most expensive property on the street.

When compared to the postcode district it is £45k more expensive than the average property in CF3.

• Heath Low Level

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  4.0 km away
• Heath High Level

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  4.0 km away
• Cardiff Queen Street

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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.