4, Collens Road, Harpenden occupies a 942 m² plot as recorded by HM Land Registry.

All 11 other houses in this postcode have recorded plot sizes, and this one ranks as the 6th largest.

4, Collens Road, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 03 May 2025.

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

4, Collens Road, Harpenden last changed hands on 2nd February 2026, selling for £1,322,500. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold twice since 1995.

The market for similar properties has dropped by 19.4% since February 2026.

• Sold Feb 2026£1,322,500
• Sold Feb 2006£710,000

Land Registry records and our Estate Agent network show 55 sales of comparable properties within 1.4 kilometres of 4, Collens Road, Harpenden since 2008.

Most recently, 1 Beeson End Cottages, Beeson End Lane, Harpenden, AL5 2AA, a freehold house, sold at £1,500,000 on the 13th February 2026.

Read more about house prices in AL5.

• Sold Feb 2026£1,500,000 | 4 Bed House1 Beeson End Cottages, Beeson End Lane, Harpenden, AL5 2AA1 Beeson End Cottages, Beeson End Lane, Harpenden, AL5 2AA
• Sold Apr 2025£1,325,000 | 4 Bed House8, Burywick, Harpenden, AL5 2AE8, Burywick, Harpenden, AL5 2AE
• Sold Jan 2025£1,400,000 | 4 Bed House27, Barlings Road, Harpenden, AL5 2AW27, Barlings Road, Harpenden, AL5 2AW
• Sold Oct 2024£1,325,000 | 4 Bed House10, Collens Road, Harpenden, AL5 2AJ10, Collens Road, Harpenden, AL5 2AJ
• Sold Dec 2023£1,325,000 | 4 Bed House16, Collens Road, Harpenden, AL5 2AJ16, Collens Road, Harpenden, AL5 2AJ
• Sold Nov 2023£1,195,000 | 4 Bed House28, Barlings Road, Harpenden, AL5 2AP28, Barlings Road, Harpenden, AL5 2AP
• Sold Aug 2023£1,330,000 | 4 Bed House12, Burywick, Harpenden, AL5 2AE12, Burywick, Harpenden, AL5 2AE
• Sold Jul 2023£1,213,000 | 4 Bed House39, The Deerings, Harpenden, AL5 2PF39, The Deerings, Harpenden, AL5 2PF
• Sold Jan 2023£1,100,000 | 4 Bed House7, The Deerings, Harpenden, AL5 2PF7, The Deerings, Harpenden, AL5 2PF
• Sold Aug 2022£1,488,000 | 4 Bed House20, Netherfield Road, Harpenden, AL5 2AG20, Netherfield Road, Harpenden, AL5 2AG
• Sold Sep 2021£1,250,000 | 4 Bed House4 Beeson End Cottages, Beeson End Lane, Harpenden, AL5 2AA4 Beeson End Cottages, Beeson End Lane, Harpenden, AL5 2AA
• Sold Sep 2020£805,650 | 4 Bed House2 Beeson End Cottages, Beeson End Lane, Harpenden, AL5 2AA2 Beeson End Cottages, Beeson End Lane, Harpenden, AL5 2AA
• Sold Dec 2018£1,152,500 | 4 Bed House34, The Deerings, Harpenden, AL5 2PE34, The Deerings, Harpenden, AL5 2PE
• Sold Mar 2018£1,050,000 | 4 Bed House5, The Deerings, Harpenden, AL5 2PF5, The Deerings, Harpenden, AL5 2PF
• Sold Oct 2016£975,000 | 4 Bed House37, The Deerings, Harpenden, AL5 2PF37, The Deerings, Harpenden, AL5 2PF
• Sold Jul 2016£1,193,000 | 4 Bed House49, The Deerings, Harpenden, AL5 2PF49, The Deerings, Harpenden, AL5 2PF
• Sold Apr 2016£920,000 | 4 Bed House2, Collens Road, Harpenden, AL5 2AJ2, Collens Road, Harpenden, AL5 2AJ
• Sold Aug 2015£1,050,000 | 4 Bed House4, The Deerings, Harpenden, AL5 2PE4, The Deerings, Harpenden, AL5 2PE
• Sold Jul 2013£900,000 | 4 Bed House28, The Deerings, Harpenden, AL5 2PE28, The Deerings, Harpenden, AL5 2PE
• Sold Mar 2008£750,000 | 4 Bed House8, Collens Road, Harpenden, AL5 2AJ8, Collens Road, Harpenden, AL5 2AJ

Agents in our network have reported 2 lettings within 1.4 kilometres of 4, Collens Road, Harpenden across the last 2 years.

The newest of these is 3, Childwick Green, St. Albans, AL3 6JJ, a freehold house let by Collinson Hall in April 2025.

• 
  Let Apr 2025£ Undisclosed | 2 Bed House3, Childwick Green, St. Albans, AL3 6JJ3, Childwick Green, St. Albans, AL3 6JJ
• 
  Let Jul 2023£ Undisclosed | 2 Bed House1, Childwick Green, St. Albans, AL3 6JJ1, Childwick Green, St. Albans, AL3 6JJ

•Nearby is defined as the radius comprising the nearest 2,000 addresses.

Our analysis of the public data ranks 4, Collens Road, Harpenden as the 6th largest and the 6th most expensive of the 11 addresses on Collens Road, Harpenden, AL5.

Against the AL5 postcode district average, it is £366k more expensive than the typical property.

• The Grove Junior School

  1.7 km away
• The Grove Infant and Nursery School

  1.7 km away
• St Dominic Catholic Primary School

  1.7 km away

• Townsend Church of England School

  2.6 km away
• St George's School

  2.9 km away
• Sir John Lawes School

  2.9 km away

• Harpenden

  |

  2.0 km away
• St Albans City

  |

  5.4 km away
• St Albans Abbey

  |

  5.8 km away

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