20, Broadstone Road, Harpenden occupies a 215 m² plot as recorded by HM Land Registry.

Of the 16 other houses in this postcode, 14 have recorded plot sizes, and this one ranks as the 7th largest.

20, Broadstone Road, Harpenden has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 29 Jul 2016.

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

20, Broadstone Road, Harpenden last changed hands on 2nd August 2017, selling for £447,500. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold 3 times since 1995.

The market for similar properties has risen by 45.2% since August 2017.

• Sold Aug 2017£447,500
• Sold May 2007£285,000
• Sold Sep 2006£246,000

Land Registry records and our Estate Agent network show 192 sales of comparable properties within 610 metres of 20, Broadstone Road, Harpenden since 2016.

Most recently, 6, Broadstone Road, Harpenden, AL5 1RG, a freehold house, sold at £625,000 on the 4th November 2025.

Read more about house prices in AL5.

• Sold Nov 2025£625,000 | 3 Bed House6, Broadstone Road, Harpenden, AL5 1RG6, Broadstone Road, Harpenden, AL5 1RG
• Sold Dec 2024£595,000 | 3 Bed House8, St. Michaels Close, Harpenden, AL5 1EW8, St. Michaels Close, Harpenden, AL5 1EW
• Sold Nov 2024£535,000 | 3 Bed House24, Broadstone Road, Harpenden, AL5 1RG24, Broadstone Road, Harpenden, AL5 1RG
• Sold Aug 2024£550,000 | 3 Bed House50, Knowle Drive, Harpenden, AL5 1RW50, Knowle Drive, Harpenden, AL5 1RW
• Sold Jul 2024£550,000 | 3 Bed House14, Tarrant Drive, Harpenden, AL5 1RP14, Tarrant Drive, Harpenden, AL5 1RP
• Sold Jun 2024£625,000 | 3 Bed House9, Knowle Drive, Harpenden, AL5 1RW9, Knowle Drive, Harpenden, AL5 1RW
• Sold Nov 2023£560,000 | 3 Bed House33, Tarrant Drive, Harpenden, AL5 1RP33, Tarrant Drive, Harpenden, AL5 1RP
• Sold Nov 2023£590,000 | 3 Bed House7, Field Close, Harpenden, AL5 1EP7, Field Close, Harpenden, AL5 1EP
• Sold Sep 2023£545,000 | 3 Bed House12, Pendennis Court, Harpenden, AL5 1SG12, Pendennis Court, Harpenden, AL5 1SG
• Sold Oct 2022£590,000 | 3 Bed House44, Knowle Drive, Harpenden, AL5 1RW44, Knowle Drive, Harpenden, AL5 1RW
• Sold May 2022£550,000 | 3 Bed House7, Kingcroft Road, Harpenden, AL5 1EH7, Kingcroft Road, Harpenden, AL5 1EH
• Sold Apr 2022£575,000 | 3 Bed House14, Broadstone Road, Harpenden, AL5 1RG14, Broadstone Road, Harpenden, AL5 1RG
• Sold Feb 2022£592,000 | 3 Bed House6, Pendennis Court, Harpenden, AL5 1SG6, Pendennis Court, Harpenden, AL5 1SG
• Sold Nov 2021£540,000 | 3 Bed House16, Knowle Drive, Harpenden, AL5 1RW16, Knowle Drive, Harpenden, AL5 1RW
• Sold Apr 2021£568,000 | 3 Bed House46, Coleswood Road, Harpenden, AL5 1EQ46, Coleswood Road, Harpenden, AL5 1EQ
• Sold Dec 2020£470,000 | 3 Bed House14, Knowle Drive, Harpenden, AL5 1RW14, Knowle Drive, Harpenden, AL5 1RW
• Sold Jul 2020£535,000 | 3 Bed House1, Tarrant Drive, Harpenden, AL5 1RP1, Tarrant Drive, Harpenden, AL5 1RP
• Sold Aug 2019£475,000 | 3 Bed House6, Tarrant Drive, Harpenden, AL5 1RP6, Tarrant Drive, Harpenden, AL5 1RP
• Sold Nov 2018£450,000 | 3 Bed House2, Knowle Drive, Harpenden, AL5 1RW2, Knowle Drive, Harpenden, AL5 1RW
• Sold May 2016£428,000 | 3 Bed House18, Broadstone Road, Harpenden, AL5 1RG18, Broadstone Road, Harpenden, AL5 1RG

Our analysis of the public data ranks 20, Broadstone Road, Harpenden as the 62nd largest and the 61st most expensive of the 66 addresses on Broadstone Road, Harpenden, AL5.

Against the AL5 postcode district average, it is £400k less expensive than the typical property.

• The Grove Infant and Nursery School

  400 m away
• The Grove Junior School

  400 m away
• High Beeches Primary School

  1.0 km away

• Katherine Warington School

  2.1 km away
• Sir John Lawes School

  2.1 km away
• St George's School

  2.3 km away

• Harpenden

  |

  1.5 km away
• St Albans City

  |

  6.0 km away
• St Albans Abbey

  |

  6.6 km away

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