According to data from HM Land Registry, 51, Broadstone Road, Harpenden sits on a plot of 257 m².

We have plot size data on 10 out of 10 other houses in the postcode and 51, Broadstone Road, Harpenden sits on the 9th largest plot.

51, Broadstone Road, Harpenden has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 18 Aug 2013.

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, 51, Broadstone Road, Harpenden was last sold on 5th November 2004 for £335,000 and was recorded as a freehold house.

The property has only had this single sale since 1995.

• Sold Nov 2004£335,000

According to the Land Registry and our network of Estate Agents, there have been 213 sales of properties similar to 51, Broadstone Road, Harpenden within a radius of 680 metres since 2019.

The most recent example is 7, Cranbourne Drive, Harpenden, AL5 1RJ, a freehold house which sold for £790,000 on the 17th February 2026.

Read more about house prices in AL5.

• Sold Feb 2026£790,000 | 4 Bed House7, Cranbourne Drive, Harpenden, AL5 1RJ7, Cranbourne Drive, Harpenden, AL5 1RJ
• Sold Dec 2025£760,000 | 4 Bed House35, Welbeck Rise, Harpenden, AL5 1RT35, Welbeck Rise, Harpenden, AL5 1RT
• Sold Nov 2025£760,000 | 4 Bed House51, Cranbourne Drive, Harpenden, AL5 1RJ51, Cranbourne Drive, Harpenden, AL5 1RJ
• Sold Nov 2025£850,000 | 4 Bed House2, Wensley Close, Harpenden, AL5 1RZ2, Wensley Close, Harpenden, AL5 1RZ
• Sold Oct 2025£795,000 | 4 Bed House9, Parva Close, Harpenden, AL5 1RQ9, Parva Close, Harpenden, AL5 1RQ
• Sold Jun 2025£600,000 | 3 Bed House29, Field Close, Harpenden, AL5 1EP29, Field Close, Harpenden, AL5 1EP
• Sold May 2025£725,000 | 4 Bed House16, Wensley Close, Harpenden, AL5 1RZ16, Wensley Close, Harpenden, AL5 1RZ
• Sold Feb 2025£815,000 | 4 Bed House6, Aran Close, Harpenden, AL5 1SW6, Aran Close, Harpenden, AL5 1SW
• Sold Aug 2024£626,600 | 4 Bed House15, Burnsall Place, Harpenden, AL5 1RS15, Burnsall Place, Harpenden, AL5 1RS
• Sold Jul 2024£925,000 | 4 Bed House54, Broadstone Road, Harpenden, AL5 1RF54, Broadstone Road, Harpenden, AL5 1RF
• Sold May 2024£768,000 | 4 Bed House44, Broadstone Road, Harpenden, AL5 1RF44, Broadstone Road, Harpenden, AL5 1RF
• Sold Feb 2024£670,000 | 4 Bed House16, Burnsall Place, Harpenden, AL5 1RS16, Burnsall Place, Harpenden, AL5 1RS
• Sold Mar 2022£730,000 | 4 Bed House45, Broadstone Road, Harpenden, AL5 1RD45, Broadstone Road, Harpenden, AL5 1RD
• Sold Feb 2022£820,000 | 4 Bed House10, Magna Close, Harpenden, AL5 1RH10, Magna Close, Harpenden, AL5 1RH
• Sold Feb 2022£733,000 | 4 Bed House9, Ranleigh Walk, Harpenden, AL5 1SR9, Ranleigh Walk, Harpenden, AL5 1SR
• Sold Jan 2021£680,000 | 4 Bed House75, Coleswood Road, Harpenden, AL5 1EG75, Coleswood Road, Harpenden, AL5 1EG
• Sold Nov 2020£649,500 | 4 Bed House3, Acacia Walk, Harpenden, AL5 1SH3, Acacia Walk, Harpenden, AL5 1SH
• Sold Oct 2020£687,500 | 4 Bed House12, Magna Close, Harpenden, AL5 1RH12, Magna Close, Harpenden, AL5 1RH
• Sold May 2020£610,000 | 4 Bed House65, Broadstone Road, Harpenden, AL5 1RE65, Broadstone Road, Harpenden, AL5 1RE
• Sold Sep 2019£710,000 | 4 Bed House6, Magna Close, Harpenden, AL5 1RH6, Magna Close, Harpenden, AL5 1RH

Broadstone Road, Harpenden, AL5 has a total of 66 addresses. According to our analysis of all the public data, 51, Broadstone Road, Harpenden is the 17th largest and the 15th most expensive property on the street.

When compared to the postcode district it is £164k less expensive than the average property in AL5.

• The Grove Infant and Nursery School

  500 m away
• The Grove Junior School

  500 m away
• High Beeches Primary School

  1.1 km away

• Sir John Lawes School

  2.1 km away
• Katherine Warington School

  2.2 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

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.