21, Machen Close, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 02 Feb 2021.

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

Since 2016 116 properties similar to 21, Machen Close, Cardiff have sold within a radius of 490 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 27th April 2026, was 3, Birkdale Close, Cardiff, CF3 0LF, a freehold house which sold for £325,000.

Read more about house prices in CF3.

• Sold Apr 2026£325,000 | 3 Bed House3, Birkdale Close, Cardiff, CF3 0LF3, Birkdale Close, Cardiff, CF3 0LF
• Sold Nov 2025£300,000 | 3 Bed House6, Fairhaven Close, Cardiff, CF3 0LD6, Fairhaven Close, Cardiff, CF3 0LD
• Sold Oct 2025£195,000 | 3 Bed House18, Brynmawr Close, Cardiff, CF3 0HJ18, Brynmawr Close, Cardiff, CF3 0HJ
• Sold Aug 2025£178,000 | 3 Bed House24, Caerleon Close, Cardiff, CF3 0HH24, Caerleon Close, Cardiff, CF3 0HH
• Sold May 2025£190,000 | 3 Bed House42, Rogerstone Close, Cardiff, CF3 0EA42, Rogerstone Close, Cardiff, CF3 0EA
• Sold Jul 2024£195,000 | 3 Bed House13A, Willowbrook Gardens, Cardiff, CF3 0BF13A, Willowbrook Gardens, Cardiff, CF3 0BF
• Sold Nov 2023£155,750 | 3 Bed House56, Willowbrook Gardens, Cardiff, CF3 0BF56, Willowbrook Gardens, Cardiff, CF3 0BF
• Sold Feb 2023£210,000 | 3 Bed House16, Willowbrook Gardens, Cardiff, CF3 0BF16, Willowbrook Gardens, Cardiff, CF3 0BF
• Sold Jan 2023£215,000 | 3 Bed House3, Brynmawr Close, Cardiff, CF3 0HJ3, Brynmawr Close, Cardiff, CF3 0HJ
• Sold Jul 2022£218,000 | 3 Bed House11, Brython Drive, Cardiff, CF3 0LR11, Brython Drive, Cardiff, CF3 0LR
• Sold Mar 2022£235,000 | 3 Bed House23, Willowbrook Gardens, Cardiff, CF3 0BF23, Willowbrook Gardens, Cardiff, CF3 0BF
• Sold Feb 2022£125,000 | 3 Bed House5, Coity Close, Cardiff, CF3 0HF5, Coity Close, Cardiff, CF3 0HF
• Sold Nov 2021£142,000 | 3 Bed House15A, Willowbrook Gardens, Cardiff, CF3 0BF15A, Willowbrook Gardens, Cardiff, CF3 0BF
• Sold Jun 2021£135,000 | 3 Bed House53, Rogerstone Close, Cardiff, CF3 0EA53, Rogerstone Close, Cardiff, CF3 0EA
• Sold Mar 2021£189,000 | 3 Bed House22, Willowbrook Gardens, Cardiff, CF3 0BF22, Willowbrook Gardens, Cardiff, CF3 0BF
• Sold Sep 2020£160,000 | 3 Bed House16, Salvia Close, Cardiff, CF3 0JF16, Salvia Close, Cardiff, CF3 0JF
• Sold Apr 2020£199,950 | 3 Bed House28, Jasmine Drive, Cardiff, CF3 0JD28, Jasmine Drive, Cardiff, CF3 0JD
• Sold Dec 2019£147,500 | 3 Bed House80, Crumlin Drive, Cardiff, CF3 0HD80, Crumlin Drive, Cardiff, CF3 0HD
• Sold Oct 2019£195,000 | 3 Bed House19, Wentworth Lane, Cardiff, CF3 0LH19, Wentworth Lane, Cardiff, CF3 0LH
• Sold Feb 2016£113,000 | 3 Bed House28, Rogerstone Close, Cardiff, CF3 0EA28, Rogerstone Close, Cardiff, CF3 0EA

Of the 32 addresses on Machen Close, St. Mellons, Cardiff, CF3, 21, Machen Close, Cardiff comes out as the 19th largest and the 19th most expensive in our analysis of the public data.

It is also £48k less expensive than the average property across the CF3 district.

• Llanishen

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  5.9 km away
• Heath High Level

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  6.0 km away
• Heath Low Level

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  6.0 km away

The flood risk here is rated Very Low, based on Environment Agency data.