22, Prospect Lane, Harpenden occupies a 1,100 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 20th largest.

22, Prospect Lane, Harpenden has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 21 May 2024.

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

22, Prospect Lane, Harpenden last changed hands on 26th June 2025, selling for £2,950,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold 3 times since 1995.

The market for similar properties has dropped by 26.7% since June 2025.

• Sold Jun 2025£2,950,000
• Sold May 2012£1,999,999
• Sold Nov 2010£1,040,000

Land Registry records and our Estate Agent network show 29 sales of comparable properties within 2.1 kilometres of 22, Prospect Lane, Harpenden since 2010.

Most recently, 44, The Uplands, Harpenden, AL5 2NZ, a freehold house, sold at £1,725,000 on the 14th August 2025.

Read more about house prices in AL5.

• Sold Aug 2025£1,725,000 | 5 Bed House44, The Uplands, Harpenden, AL5 2NZ44, The Uplands, Harpenden, AL5 2NZ
• Sold Mar 2025£3,450,000 | 5 Bed House20, Penny Croft, Harpenden, AL5 2PB20, Penny Croft, Harpenden, AL5 2PB
• Sold Mar 2025£3,250,000 | 5 Bed House34A, Oakfield Road, Harpenden, AL5 2NS34A, Oakfield Road, Harpenden, AL5 2NS
• Sold Mar 2024£3,250,000 | 5 Bed House27, The Uplands, Harpenden, AL5 2PG27, The Uplands, Harpenden, AL5 2PG
• Sold Sep 2023£2,400,000 | 5 Bed House21, The Deerings, Harpenden, AL5 2PF21, The Deerings, Harpenden, AL5 2PF
• Sold Sep 2023£2,740,000 | 5 Bed House17, The Chowns, Harpenden, AL5 2BN17, The Chowns, Harpenden, AL5 2BN
• Sold Feb 2023£3,000,000 | 5 Bed House9, Oak Way, Harpenden, AL5 2NT9, Oak Way, Harpenden, AL5 2NT
• Sold Jan 2023£2,850,000 | 5 Bed House9, Fairway Close, Harpenden, AL5 2NN9, Fairway Close, Harpenden, AL5 2NN
• Sold Sep 2017£2,100,000 | 5 Bed House18, The Uplands, Harpenden, AL5 2PQ18, The Uplands, Harpenden, AL5 2PQ
• Sold Sep 2017£1,382,500 | 5 Bed House17, The Uplands, Harpenden, AL5 2PG17, The Uplands, Harpenden, AL5 2PG
• Sold Aug 2017£1,950,000 | 5 Bed House24, Prospect Lane, Harpenden, AL5 2PL24, Prospect Lane, Harpenden, AL5 2PL
• Sold Nov 2016£2,500,000 | 5 Bed House14, The Uplands, Harpenden, AL5 2PQ14, The Uplands, Harpenden, AL5 2PQ
• Sold Oct 2015£1,950,000 | 5 Bed House41, Prospect Lane, Harpenden, AL5 2PL41, Prospect Lane, Harpenden, AL5 2PL
• Sold Aug 2015£2,650,000 | 5 Bed House36, West Common Way, Harpenden, AL5 2LG36, West Common Way, Harpenden, AL5 2LG
• Sold Jul 2015£2,680,000 | 5 Bed House13, The Uplands, Harpenden, AL5 2PG13, The Uplands, Harpenden, AL5 2PG
• Sold Jun 2015£1,700,000 | 5 Bed House12, The Uplands, Harpenden, AL5 2PQ12, The Uplands, Harpenden, AL5 2PQ
• Sold Apr 2013£1,500,000 | 5 Bed House15, The Chowns, Harpenden, AL5 2BN15, The Chowns, Harpenden, AL5 2BN
• Sold Mar 2012£2,150,000 | 5 Bed House23, Oakfield Road, Harpenden, AL5 2NW23, Oakfield Road, Harpenden, AL5 2NW
• 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 22, 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 22, Prospect Lane, Harpenden as the 7th largest and the 7th most expensive of the 30 addresses on Prospect Lane, Harpenden, AL5.

Against the AL5 postcode district average, it is £1.912m 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.