21, Hillside Avenue, Caerphilly occupies a 330 m² plot as recorded by HM Land Registry.

Of the 20 other houses in this postcode, 6 have recorded plot sizes, and this one ranks as the 3rd largest.

21, Hillside Avenue, Caerphilly has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 24 Apr 2019.

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

Land Registry records and our Estate Agent network show 209 sales of comparable properties within 1.3 kilometres of 21, Hillside Avenue, Caerphilly since 2013.

Most recently, 4, Hendre Road, Caerphilly, CF83 4DT, a freehold house, sold at £163,000 on the 23rd October 2025.

Read more about house prices in CF83.

• Sold Oct 2025£163,000 | 3 Bed House4, Hendre Road, Caerphilly, CF83 4DT4, Hendre Road, Caerphilly, CF83 4DT
• Sold Sep 2025£157,000 | 3 Bed House25, Upper Francis Street, Caerphilly, CF83 4DU25, Upper Francis Street, Caerphilly, CF83 4DU
• Sold Mar 2025£132,500 | 3 Bed House44, Lower Francis Street, Caerphilly, CF83 4DX44, Lower Francis Street, Caerphilly, CF83 4DX
• Sold Jan 2025£135,000 | 3 Bed House11, Lower Francis Street, Caerphilly, CF83 4DW11, Lower Francis Street, Caerphilly, CF83 4DW
• Sold Nov 2024£140,000 | 3 Bed House18, Lower Francis Street, Caerphilly, CF83 4DX18, Lower Francis Street, Caerphilly, CF83 4DX
• Sold Oct 2024£170,000 | 3 Bed House36, Lower Francis Street, Caerphilly, CF83 4DX36, Lower Francis Street, Caerphilly, CF83 4DX
• Sold Sep 2024£126,000 | 3 Bed House29, Upper Francis Street, Caerphilly, CF83 4DU29, Upper Francis Street, Caerphilly, CF83 4DU
• Sold Jul 2024£145,000 | 3 Bed House11, Upper Francis Street, Caerphilly, CF83 4DU11, Upper Francis Street, Caerphilly, CF83 4DU
• Sold Apr 2024£125,000 | 3 Bed House20, Upper Francis Street, Caerphilly, CF83 4DU20, Upper Francis Street, Caerphilly, CF83 4DU
• Sold Mar 2024£140,000 | 3 Bed House17, Upper Francis Street, Caerphilly, CF83 4DU17, Upper Francis Street, Caerphilly, CF83 4DU
• Sold Mar 2024£130,000 | 3 Bed House22, Upper Francis Street, Caerphilly, CF83 4DU22, Upper Francis Street, Caerphilly, CF83 4DU
• Sold Jan 2024£105,000 | 3 Bed House15, Hendre Road, Caerphilly, CF83 4DT15, Hendre Road, Caerphilly, CF83 4DT
• Sold Jul 2023£150,000 | 3 Bed House18, Hendre Road, Caerphilly, CF83 4DT18, Hendre Road, Caerphilly, CF83 4DT
• Sold May 2023£131,000 | 3 Bed House19, Hendre Road, Caerphilly, CF83 4DT19, Hendre Road, Caerphilly, CF83 4DT
• Sold Jul 2022£100,000 | 3 Bed House25, Hendre Road, Caerphilly, CF83 4DT25, Hendre Road, Caerphilly, CF83 4DT
• Sold Apr 2022£125,000 | 3 Bed House5, Hendre Road, Caerphilly, CF83 4DT5, Hendre Road, Caerphilly, CF83 4DT
• Sold Apr 2022£196,000 | 3 Bed House3, Eglwysilan Way, Caerphilly, CF83 4EQ3, Eglwysilan Way, Caerphilly, CF83 4EQ
• Sold Jun 2019£75,000 | 3 Bed House19, Eglwysilan Way, Caerphilly, CF83 4EQ19, Eglwysilan Way, Caerphilly, CF83 4EQ
• Sold Nov 2018£135,000 | 3 Bed House2, Eglwysilan Way, Caerphilly, CF83 4EQ2, Eglwysilan Way, Caerphilly, CF83 4EQ
• Sold Jun 2013£75,000 | 3 Bed House13, Eglwysilan Way, Caerphilly, CF83 4EQ13, Eglwysilan Way, Caerphilly, CF83 4EQ

Our analysis of the public data ranks 21, Hillside Avenue, Caerphilly as the 16th largest and the 16th most expensive of the 20 addresses on Hillside Avenue, Abertridwr, Caerphilly, CF83.

Against the CF83 postcode district average, it is £83k less expensive than the typical property.

• Trefforest Estate

  |

  3.1 km away
• Trefforest

  |

  3.2 km away
• Llanbradach

  |

  3.3 km away

Environment Agency data suggests this area has a Very Low risk of flooding.