HM Land Registry records the plot of land for 35, Prospect Lane, Harpenden as measuring 1,237 m².

That makes it the 17th largest plot in the postcode, where all 30 other houses have recorded plot data.

The most recent sale of 35, Prospect Lane, Harpenden completed on 17th October 2007 at £1,920,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 this is the property's only sale.

Values of comparable properties have risen by 36.0% over the period since October 2007.

• Sold Oct 2007£1,920,000

Since 2008 68 properties similar to 35, Prospect Lane, Harpenden have sold within a radius of 2.1 kilometres, per the Land Registry and our network of Estate Agents.

The latest, on the 22nd September 2025, was 7, The Chowns, Harpenden, AL5 2BN, a freehold house which sold for £1,850,000.

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 Jun 2025£1,750,000 | 5 Bed House6, The Chowns, Harpenden, AL5 2BN6, The Chowns, Harpenden, AL5 2BN
• Sold Apr 2025£1,850,000 | 5 Bed House18, The Deerings, Harpenden, AL5 2PE18, The Deerings, Harpenden, AL5 2PE
• Sold Nov 2024£2,285,000 | 5 Bed House23, The Deerings, Harpenden, AL5 2PF23, The Deerings, Harpenden, AL5 2PF
• Sold Sep 2024£2,200,000 | 5 Bed House5, The Chowns, Harpenden, AL5 2BN5, The Chowns, Harpenden, AL5 2BN
• Sold Mar 2024£1,750,000 | 5 Bed House14, Hammondswick, Harpenden, AL5 2NR14, Hammondswick, Harpenden, AL5 2NR
• Sold Feb 2023£2,040,000 | 5 Bed House1, Oakview Close, Harpenden, AL5 2PP1, Oakview Close, Harpenden, AL5 2PP
• Sold Jul 2022£1,952,000 | 5 Bed House29, Prospect Lane, Harpenden, AL5 2PL29, Prospect Lane, Harpenden, AL5 2PL
• Sold Jun 2022£2,200,000 | 5 Bed House40, Oakfield Road, Harpenden, AL5 2NS40, Oakfield Road, Harpenden, AL5 2NS
• Sold Sep 2021£1,650,000 | 5 Bed House18, Prospect Lane, Harpenden, AL5 2PL18, Prospect Lane, Harpenden, AL5 2PL
• Sold Jun 2021£1,975,000 | 5 Bed House17, Hammondswick, Harpenden, AL5 2NR17, Hammondswick, Harpenden, AL5 2NR
• 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 Feb 2021£1,850,000 | 5 Bed House11, The Chowns, Harpenden, AL5 2BN11, The Chowns, Harpenden, AL5 2BN
• Sold Sep 2020£1,920,000 | 5 Bed House4B, High Elms, Harpenden, AL5 2JU4B, High Elms, Harpenden, AL5 2JU
• Sold Jun 2019£1,770,000 | 5 Bed House36, Oakfield Road, Harpenden, AL5 2NS36, Oakfield Road, Harpenden, AL5 2NS
• Sold Jan 2019£1,175,000 | 5 Bed House18, Hammondswick, Harpenden, AL5 2NR18, Hammondswick, Harpenden, AL5 2NR
• Sold Oct 2013£1,620,000 | 5 Bed House1, Prospect Lane, Harpenden, AL5 2PL1, Prospect Lane, Harpenden, AL5 2PL
• Sold Jun 2013£1,130,000 | 5 Bed House11, Penny Croft, Harpenden, AL5 2PD11, Penny Croft, Harpenden, AL5 2PD
• Sold Mar 2008£2,475,000 | 5 Bed House3, Oak Way, Harpenden, AL5 2NT3, Oak Way, Harpenden, AL5 2NT

Over the past 2 years our Estate Agent network has recorded 2 lets within 2.1 kilometres of 35, Prospect Lane, Harpenden.

The latest, in April 2025, was 3, Childwick Green, St. Albans, AL3 6JJ, a freehold house let by Collinson Hall.

• 
  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.

Of the 30 addresses on Prospect Lane, Harpenden, AL5, 35, Prospect Lane, Harpenden comes out as the 15th largest and the 15th most expensive in our analysis of the public data.

It is also £994k more expensive than the average property across the AL5 district.

• 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

The flood risk here is rated Very Low, based on Environment Agency data.