6, Prospect Lane, Harpenden occupies a 1,336 m² plot as recorded by HM Land Registry.

All 30 other houses in this postcode have recorded plot sizes, and this one ranks as the 14th largest.

6, Prospect Lane, Harpenden has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 22 Feb 2022.

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

6, Prospect Lane, Harpenden last changed hands on 7th September 2022, selling for £1,795,000. 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 dropped by 26.4% since September 2022.

• Sold Sep 2022£1,795,000

Land Registry records and our Estate Agent network show 83 sales of comparable properties within 2.0 kilometres of 6, Prospect Lane, Harpenden since 2016.

Most recently, 19, Hawsley Road, Harpenden, AL5 2BL, a freehold house, sold at £1,680,000 on the 28th August 2025.

Read more about house prices in AL5.

• Sold Aug 2025£1,680,000 | 5 Bed House19, Hawsley Road, Harpenden, AL5 2BL19, Hawsley Road, Harpenden, AL5 2BL
• Sold Mar 2025£1,750,000 | 5 Bed House34, The Uplands, Harpenden, AL5 2NZ34, The Uplands, Harpenden, AL5 2NZ
• Sold Mar 2025£1,637,500 | 5 Bed House3, The Chowns, Harpenden, AL5 2BN3, The Chowns, Harpenden, AL5 2BN
• Sold Nov 2024£1,395,000 | 5 Bed House17, Penny Croft, Harpenden, AL5 2PD17, Penny Croft, Harpenden, AL5 2PD
• Sold Oct 2024£1,800,000 | 5 Bed House20, The Deerings, Harpenden, AL5 2PE20, The Deerings, Harpenden, AL5 2PE
• Sold Sep 2024£1,845,000 | 5 Bed House15, Hammondswick, Harpenden, AL5 2NR15, Hammondswick, Harpenden, AL5 2NR
• Sold Jul 2024£1,800,000 | 5 Bed House23, The Uplands, Harpenden, AL5 2PG23, The Uplands, Harpenden, AL5 2PG
• Sold Jun 2024£1,465,000 | 5 Bed House15, Penny Croft, Harpenden, AL5 2PD15, Penny Croft, Harpenden, AL5 2PD
• Sold Apr 2024£1,310,000 | 5 Bed House19, The Deerings, Harpenden, AL5 2PF19, The Deerings, Harpenden, AL5 2PF
• Sold Nov 2023£1,650,000 | 5 Bed House3, Wheatfield Avenue, Harpenden, AL5 2NU3, Wheatfield Avenue, Harpenden, AL5 2NU
• Sold Sep 2023£1,500,000 | 5 Bed House16, The Deerings, Harpenden, AL5 2PE16, The Deerings, Harpenden, AL5 2PE
• Sold Apr 2023£1,595,000 | 5 Bed House14, Hawsley Road, Harpenden, AL5 2BL14, Hawsley Road, Harpenden, AL5 2BL
• Sold Jan 2022£1,700,000 | 5 Bed House5, Penny Croft, Harpenden, AL5 2PD5, Penny Croft, Harpenden, AL5 2PD
• Sold Aug 2021£1,850,000 | 5 Bed House40, The Uplands, Harpenden, AL5 2NZ40, The Uplands, Harpenden, AL5 2NZ
• Sold Jun 2021£1,300,000 | 5 Bed House8, Penny Croft, Harpenden, AL5 2PB8, Penny Croft, Harpenden, AL5 2PB
• Sold Sep 2019£1,500,000 | 5 Bed House2, Prospect Lane, Harpenden, AL5 2PL2, Prospect Lane, Harpenden, AL5 2PL
• Sold Apr 2019£1,150,000 | 5 Bed House8, The Deerings, Harpenden, AL5 2PE8, The Deerings, Harpenden, AL5 2PE
• Sold Mar 2019£1,220,000 | 5 Bed House6, Penny Croft, Harpenden, AL5 2PB6, Penny Croft, Harpenden, AL5 2PB
• Sold Aug 2018£1,295,000 | 5 Bed House9, Penny Croft, Harpenden, AL5 2PD9, Penny Croft, Harpenden, AL5 2PD
• Sold Nov 2016£928,000 | 5 Bed House35, The Deerings, Harpenden, AL5 2PF35, The Deerings, Harpenden, AL5 2PF

Agents in our network have reported 2 lettings within 2.0 kilometres of 6, Prospect Lane, 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 6, Prospect Lane, Harpenden as the 25th largest and the 28th most expensive of the 30 addresses on Prospect Lane, Harpenden, AL5.

Against the AL5 postcode district average, it is £654k more expensive than the typical property.

• St Dominic Catholic Primary School

  2.3 km away
• The Grove Junior School

  2.5 km away
• The Grove Infant and Nursery School

  2.5 km away

• Townsend Church of England School

  2.5 km away
• Roundwood Park School

  3.1 km away
• St Albans Girls' School

  3.3 km away

• Harpenden

  |

  2.6 km away
• St Albans City

  |

  5.3 km away
• St Albans Abbey

  |

  5.5 km away

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