41, Prospect Lane, Harpenden occupies a 1,487 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 3rd largest.

41, Prospect Lane, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 08 Jun 2011.

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

41, Prospect Lane, Harpenden last changed hands on 2nd October 2015, selling for £1,950,000. 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 5.7% since October 2015.

• Sold Oct 2015£1,950,000

Land Registry records and our Estate Agent network show 33 sales of comparable properties within 2.1 kilometres of 41, Prospect Lane, Harpenden since 2010.

Most recently, 41, The Deerings, Harpenden, AL5 2PF, a freehold house, sold at £2,175,000 on the 17th October 2025.

Read more about house prices in AL5.

• Sold Oct 2025£2,175,000 | 5 Bed House41, The Deerings, Harpenden, AL5 2PF41, The Deerings, Harpenden, AL5 2PF
• Sold Aug 2025£1,725,000 | 5 Bed House44, The Uplands, Harpenden, AL5 2NZ44, The Uplands, Harpenden, AL5 2NZ
• Sold Jul 2025£2,500,000 | 5 Bed House9, The Uplands, Harpenden, AL5 2PG9, The Uplands, Harpenden, AL5 2PG
• Sold Jun 2025£2,950,000 | 5 Bed House22, Prospect Lane, Harpenden, AL5 2PL22, Prospect Lane, Harpenden, AL5 2PL
• Sold Nov 2024£2,282,200 | 5 Bed HouseCedar Lodge, Redbourn Lane, Harpenden, AL5 2NACedar Lodge, Redbourn Lane, Harpenden, AL5 2NA
• Sold Mar 2024£3,250,000 | 5 Bed House27, The Uplands, Harpenden, AL5 2PG27, The Uplands, Harpenden, AL5 2PG
• Sold Sep 2023£2,740,000 | 5 Bed House17, The Chowns, Harpenden, AL5 2BN17, The Chowns, Harpenden, AL5 2BN
• Sold Jan 2023£2,850,000 | 5 Bed House9, Fairway Close, Harpenden, AL5 2NN9, Fairway Close, Harpenden, AL5 2NN
• Sold Dec 2021£2,185,000 | 5 Bed House1, The Chowns, Harpenden, AL5 2BN1, The Chowns, Harpenden, AL5 2BN
• Sold Dec 2021£2,725,000 | 5 Bed House1, Garden Close, Harpenden, AL5 2EG1, Garden Close, Harpenden, AL5 2EG
• Sold Sep 2021£2,750,000 | 5 Bed House31, Oakfield Road, Harpenden, AL5 2NP31, Oakfield Road, Harpenden, AL5 2NP
• Sold Jun 2021£2,375,000 | 5 Bed House5, Oakhurst Avenue, Harpenden, AL5 2NB5, Oakhurst Avenue, Harpenden, AL5 2NB
• Sold Feb 2020£2,085,000 | 5 Bed HouseTwin Oaks, Redbourn Lane, Harpenden, AL5 2NATwin Oaks, Redbourn Lane, Harpenden, AL5 2NA
• Sold Aug 2018£2,100,000 | 5 Bed House34B, Oakfield Road, Harpenden, AL5 2NS34B, Oakfield Road, Harpenden, AL5 2NS
• Sold Oct 2017£1,585,000 | 5 Bed House46, Oakfield Road, Harpenden, AL5 2NS46, Oakfield Road, Harpenden, AL5 2NS
• Sold Sep 2017£2,100,000 | 5 Bed House18, The Uplands, Harpenden, AL5 2PQ18, The Uplands, Harpenden, AL5 2PQ
• Sold Mar 2014£1,650,000 | 5 Bed House43, Prospect Lane, Harpenden, AL5 2PL43, Prospect Lane, Harpenden, AL5 2PL
• Sold Sep 2012£1,585,000 | 5 Bed House50, Oakfield Road, Harpenden, AL5 2NS50, Oakfield Road, Harpenden, AL5 2NS
• Sold Oct 2011£2,250,000 | 5 Bed House20, The Uplands, Harpenden, AL5 2PQ20, The Uplands, Harpenden, AL5 2PQ
• Sold Nov 2010£2,025,000 | 5 Bed House16, Wheatfield Road, Harpenden, AL5 2NY16, Wheatfield Road, Harpenden, AL5 2NY

Agents in our network have reported 2 lettings within 2.1 kilometres of 41, 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 41, Prospect Lane, Harpenden as the 9th largest and the 10th most expensive of the 30 addresses on Prospect Lane, Harpenden, AL5.

Against the AL5 postcode district average, it is £1.569m 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.