29, Prospect Lane, Harpenden occupies a 1,047 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 27th largest.

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

The property is connected to mains gas and has mostly double glazing. It is heated using a boiler and radiators (mains gas).

29, Prospect Lane, Harpenden last changed hands on 11th July 2022, selling for £1,952,000. 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 26.5% since July 2022.

• Sold Jul 2022£1,952,000
• Sold Apr 1995£320,000

Land Registry records and our Estate Agent network show 70 sales of comparable properties within 2.1 kilometres of 29, Prospect Lane, Harpenden since 2013.

Most recently, 7, The Chowns, Harpenden, AL5 2BN, a freehold house, sold at £1,850,000 on the 22nd September 2025.

Read more about house prices in AL5.

• Sold Sep 2025£1,850,000 | 5 Bed House7, The Chowns, Harpenden, AL5 2BN7, The Chowns, Harpenden, AL5 2BN
• Sold Sep 2025£1,750,000 | 5 Bed House6, Wheatfield Avenue, Harpenden, AL5 2NU6, Wheatfield Avenue, Harpenden, AL5 2NU
• Sold Jul 2025£1,850,000 | 5 Bed House36, The Uplands, Harpenden, AL5 2NZ36, The Uplands, Harpenden, AL5 2NZ
• 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 Oct 2024£1,800,000 | 5 Bed House20, The Deerings, Harpenden, AL5 2PE20, The Deerings, Harpenden, AL5 2PE
• Sold Apr 2024£1,750,000 | 5 Bed House42, Oakfield Road, Harpenden, AL5 2NS42, Oakfield Road, Harpenden, AL5 2NS
• Sold Nov 2023£1,650,000 | 5 Bed House3, Wheatfield Avenue, Harpenden, AL5 2NU3, Wheatfield Avenue, Harpenden, AL5 2NU
• Sold Apr 2023£1,595,000 | 5 Bed House14, Hawsley Road, Harpenden, AL5 2BL14, Hawsley Road, Harpenden, AL5 2BL
• Sold Sep 2022£1,795,000 | 5 Bed House6, Prospect Lane, Harpenden, AL5 2PL6, Prospect Lane, Harpenden, AL5 2PL
• Sold Feb 2022£1,960,000 | 5 Bed House8, Hammonds Hill, Harpenden, AL5 2LU8, Hammonds Hill, Harpenden, AL5 2LU
• Sold Jun 2021£2,800,000 | 5 Bed House7, Oak Way, Harpenden, AL5 2NT7, Oak Way, Harpenden, AL5 2NT
• Sold Sep 2019£1,500,000 | 5 Bed House2, Prospect Lane, Harpenden, AL5 2PL2, Prospect Lane, Harpenden, AL5 2PL
• Sold Aug 2019£1,375,000 | 5 Bed House11, Barlings Road, Harpenden, AL5 2AL11, Barlings Road, Harpenden, AL5 2AL
• Sold Jan 2019£1,175,000 | 5 Bed House18, Hammondswick, Harpenden, AL5 2NR18, Hammondswick, Harpenden, AL5 2NR
• Sold Aug 2018£1,295,000 | 5 Bed House9, Penny Croft, Harpenden, AL5 2PD9, Penny Croft, Harpenden, AL5 2PD
• Sold Mar 2018£1,575,000 | 5 Bed House14, Penny Croft, Harpenden, AL5 2PB14, Penny Croft, Harpenden, AL5 2PB
• Sold Nov 2016£1,587,500 | 5 Bed House4, Prospect Lane, Harpenden, AL5 2PL4, Prospect Lane, Harpenden, AL5 2PL
• Sold Jun 2013£1,240,000 | 5 Bed House20, Wheatfield Road, Harpenden, AL5 2NY20, Wheatfield Road, Harpenden, AL5 2NY
• Sold Jun 2013£1,130,000 | 5 Bed House11, Penny Croft, Harpenden, AL5 2PD11, Penny Croft, Harpenden, AL5 2PD

Agents in our network have reported 2 lettings within 2.1 kilometres of 29, 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 29, Prospect Lane, Harpenden as the 18th largest and the 16th most expensive of the 30 addresses on Prospect Lane, Harpenden, AL5.

Against the AL5 postcode district average, it is £936k 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.