3, Redbourn Lane, Harpenden occupies a 601 m² plot as recorded by HM Land Registry.

All 3 other houses in this postcode have recorded plot sizes, and this one ranks as the 2nd largest.

3, Redbourn Lane, Harpenden has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 20 Feb 2013.

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

3, Redbourn Lane, Harpenden last changed hands on 23rd August 2013, selling for £1,305,000. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

The market for similar properties has risen by 10.0% since August 2013.

• Sold Aug 2013£1,305,000

Land Registry records and our Estate Agent network show 64 sales of comparable properties within 1.1 kilometres of 3, Redbourn Lane, Harpenden since 2008.

Most recently, The Coach House, Hatching Green Close, Harpenden, AL5 2LB, a freehold house, sold at £1,885,000 on the 9th October 2025.

Read more about house prices in AL5.

• Sold Oct 2025£1,885,000 | 5 Bed HouseThe Coach House, Hatching Green Close, Harpenden, AL5 2LBThe Coach House, Hatching Green Close, Harpenden, AL5 2LB
• Sold Sep 2025£1,850,000 | 5 Bed House7, The Chowns, Harpenden, AL5 2BN7, The Chowns, Harpenden, AL5 2BN
• Sold Jun 2025£1,750,000 | 5 Bed House6, The Chowns, Harpenden, AL5 2BN6, The Chowns, Harpenden, AL5 2BN
• Sold Mar 2025£1,637,500 | 5 Bed House3, The Chowns, Harpenden, AL5 2BN3, The Chowns, Harpenden, AL5 2BN
• Sold Mar 2025£2,050,000 | 5 Bed House19, West Common Grove, Harpenden, AL5 2AT19, West Common Grove, Harpenden, AL5 2AT
• Sold Jul 2023£1,750,000 | 5 Bed House4, Flowton Grove, Harpenden, AL5 2JZ4, Flowton Grove, Harpenden, AL5 2JZ
• Sold Jun 2023£1,675,000 | 5 Bed House17, The Warren, Harpenden, AL5 2NH17, The Warren, Harpenden, AL5 2NH
• Sold Jul 2022£1,800,000 | 5 Bed HouseBarn Cottage, Hatching Green, Harpenden, AL5 2JYBarn Cottage, Hatching Green, Harpenden, AL5 2JY
• Sold Jun 2021£2,800,000 | 5 Bed House7, Oak Way, Harpenden, AL5 2NT7, Oak Way, Harpenden, AL5 2NT
• Sold Jun 2021£650,000 | 5 Bed House6A, High Elms, Harpenden, AL5 2JU6A, High Elms, Harpenden, AL5 2JU
• Sold Apr 2021£1,670,000 | 5 Bed House16, Oakfield Road, Harpenden, AL5 2NL16, Oakfield Road, Harpenden, AL5 2NL
• Sold Oct 2020£2,100,000 | 5 Bed House74, West Common, Harpenden, AL5 2LD74, West Common, Harpenden, AL5 2LD
• Sold Sep 2020£1,735,000 | 5 Bed House15, The Warren, Harpenden, AL5 2NH15, The Warren, Harpenden, AL5 2NH
• Sold Sep 2020£1,920,000 | 5 Bed House4B, High Elms, Harpenden, AL5 2JU4B, High Elms, Harpenden, AL5 2JU
• Sold Sep 2018£1,450,000 | 5 Bed House12, Geescroft Walk, Harpenden, AL5 2GX12, Geescroft Walk, Harpenden, AL5 2GX
• Sold Jun 2017£1,510,000 | 5 Bed HouseByland, Hatching Green, Harpenden, AL5 2JSByland, Hatching Green, Harpenden, AL5 2JS
• Sold Jul 2015£1,450,000 | 5 Bed House10, Hatching Green Close, Harpenden, AL5 2LB10, Hatching Green Close, Harpenden, AL5 2LB
• Sold May 2012£1,385,000 | 5 Bed House58, West Common, Harpenden, AL5 2LD58, West Common, Harpenden, AL5 2LD
• Sold Oct 2011£1,355,000 | 5 Bed House3, High Elms, Harpenden, AL5 2JU3, High Elms, Harpenden, AL5 2JU
• Sold Dec 2008£994,244 | 5 Bed House11, Hatching Green Close, Harpenden, AL5 2LB11, Hatching Green Close, Harpenden, AL5 2LB

Our analysis of the public data ranks 3, Redbourn Lane, Harpenden as the 16th largest and the 13th most expensive of the 29 addresses on Redbourn Lane, Harpenden, AL5.

Against the AL5 postcode district average, it is £955k more expensive than the typical property.

• St Dominic Catholic Primary School

  900 m away
• The Grove Junior School

  1.3 km away
• Harpenden Academy

  1.3 km away

• St George's School

  2.1 km away
• Roundwood Park School

  2.2 km away
• Sir John Lawes School

  2.2 km away

• Harpenden

  |

  1.2 km away
• St Albans City

  |

  6.2 km away
• St Albans Abbey

  |

  6.6 km away

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