According to data from HM Land Registry, 33, Prospect Lane, Harpenden sits on a plot of 1,058 m².

We have plot size data on 30 out of 30 other houses in the postcode and 33, Prospect Lane, Harpenden sits on the 26th largest plot.

33, Prospect Lane, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 01 Aug 2025.

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

According to the Land Registry and our network of Estate Agents, there have been 72 sales of properties similar to 33, Prospect Lane, Harpenden within a radius of 2.1 kilometres since 2012.

The most recent example is 7, The Chowns, Harpenden, AL5 2BN, a freehold house which sold for £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 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£1,750,000 | 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 Jul 2022£1,952,000 | 5 Bed House29, Prospect Lane, Harpenden, AL5 2PL29, 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 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 Jul 2020£1,300,000 | 5 Bed House27, Prospect Lane, Harpenden, AL5 2PL27, Prospect Lane, Harpenden, AL5 2PL
• Sold Sep 2019£1,500,000 | 5 Bed House2, Prospect Lane, Harpenden, AL5 2PL2, Prospect Lane, Harpenden, AL5 2PL
• Sold Feb 2019£1,445,000 | 5 Bed House6, Hammonds Hill, Harpenden, AL5 2LU6, Hammonds Hill, Harpenden, AL5 2LU
• Sold Aug 2018£1,295,000 | 5 Bed House9, Penny Croft, Harpenden, AL5 2PD9, Penny Croft, Harpenden, AL5 2PD
• Sold Jun 2012£1,120,000 | 5 Bed House32, Prospect Lane, Harpenden, AL5 2PL32, Prospect Lane, Harpenden, AL5 2PL

Our network of Estate Agents reports 2 lets within 2.1 kilometres of 33, Prospect Lane, Harpenden over the last 2 years.

Most recently, 3, Childwick Green, St. Albans, AL3 6JJ, a freehold house, was 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.

Prospect Lane, Harpenden, AL5 has a total of 30 addresses. According to our analysis of all the public data, 33, Prospect Lane, Harpenden is the 21st largest and the 19th most expensive property on the street.

When compared to the postcode district it is £827k more expensive than the average property in AL5.

• 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

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.