47, Sibley Avenue, Harpenden occupies a 405 m² plot as recorded by HM Land Registry.

Of the 36 other houses in this postcode, 27 have recorded plot sizes, and this one ranks as the 19th largest.

47, Sibley Avenue, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 14 Jun 2024.

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

47, Sibley Avenue, Harpenden last changed hands on 28th July 2000, selling for £287,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold twice since 1995.

• Sold Jul 2000£287,000
• Sold Apr 1995£125,000

Land Registry records and our Estate Agent network show 149 sales of comparable properties within 770 metres of 47, Sibley Avenue, Harpenden since 2010.

Most recently, 28, Sibley Avenue, Harpenden, AL5 1HF, a freehold house, sold at £793,650 on the 5th September 2025.

Read more about house prices in AL5.

• Sold Sep 2025£793,650 | 4 Bed House28, Sibley Avenue, Harpenden, AL5 1HF28, Sibley Avenue, Harpenden, AL5 1HF
• Sold Mar 2025£1,105,000 | 4 Bed House57, Sibley Avenue, Harpenden, AL5 1HF57, Sibley Avenue, Harpenden, AL5 1HF
• Sold Mar 2025£1,310,000 | 4 Bed House62, High Firs Crescent, Harpenden, AL5 1NA62, High Firs Crescent, Harpenden, AL5 1NA
• Sold Nov 2024£1,325,000 | 4 Bed House24, Greenway, Harpenden, AL5 1NQ24, Greenway, Harpenden, AL5 1NQ
• Sold Aug 2024£1,225,000 | 5 Bed House17, Leycroft Way, Harpenden, AL5 1JW17, Leycroft Way, Harpenden, AL5 1JW
• Sold Apr 2024£1,020,000 | 4 Bed House12, Wheathampstead Road, Harpenden, AL5 1ND12, Wheathampstead Road, Harpenden, AL5 1ND
• Sold Oct 2023£1,205,000 | 5 Bed House36, Sibley Avenue, Harpenden, AL5 1HF36, Sibley Avenue, Harpenden, AL5 1HF
• Sold Aug 2023£1,175,000 | 4 Bed House16, Aldwick Road, Harpenden, AL5 1NG16, Aldwick Road, Harpenden, AL5 1NG
• Sold Dec 2022£1,265,000 | 4 Bed House18, Greenway, Harpenden, AL5 1NQ18, Greenway, Harpenden, AL5 1NQ
• Sold Jun 2022£945,000 | 4 Bed House26, Sibley Avenue, Harpenden, AL5 1HF26, Sibley Avenue, Harpenden, AL5 1HF
• Sold May 2022£867,500 | 4 Bed House39, Meadway, Harpenden, AL5 1JN39, Meadway, Harpenden, AL5 1JN
• Sold Feb 2022£1,200,000 | 4 Bed House13, Aldwick Road, Harpenden, AL5 1NG13, Aldwick Road, Harpenden, AL5 1NG
• Sold May 2021£710,000 | 4 Bed House24, Sibley Avenue, Harpenden, AL5 1HF24, Sibley Avenue, Harpenden, AL5 1HF
• Sold Oct 2020£850,000 | 4 Bed House19, Meadway, Harpenden, AL5 1JN19, Meadway, Harpenden, AL5 1JN
• Sold Aug 2019£756,000 | 4 Bed House31, Sibley Avenue, Harpenden, AL5 1HF31, Sibley Avenue, Harpenden, AL5 1HF
• Sold Dec 2018£895,000 | 4 Bed House40, Sibley Avenue, Harpenden, AL5 1HF40, Sibley Avenue, Harpenden, AL5 1HF
• Sold Nov 2018£827,500 | 4 Bed House10, Leycroft Way, Harpenden, AL5 1JW10, Leycroft Way, Harpenden, AL5 1JW
• Sold Jan 2018£825,000 | 4 Bed House28, Meadway, Harpenden, AL5 1JL28, Meadway, Harpenden, AL5 1JL
• Sold Apr 2017£825,000 | 4 Bed House25, Greenway, Harpenden, AL5 1NQ25, Greenway, Harpenden, AL5 1NQ
• Sold Jul 2010£650,000 | 4 Bed House51, Sibley Avenue, Harpenden, AL5 1HF51, Sibley Avenue, Harpenden, AL5 1HF

Our analysis of the public data ranks 47, Sibley Avenue, Harpenden as the 9th largest and the 9th most expensive of the 53 addresses on Sibley Avenue, Harpenden, AL5.

Against the AL5 postcode district average, it is £112k more expensive than the typical property.

• The Grove Infant and Nursery School

  300 m away
• The Grove Junior School

  400 m away
• High Beeches Primary School

  800 m away

• Katherine Warington School

  1.8 km away
• Sir John Lawes School

  2.0 km away
• St George's School

  2.3 km away

• Harpenden

  |

  1.6 km away
• St Albans City

  |

  6.3 km away
• St Albans Abbey

  |

  6.9 km away

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