HM Land Registry records the plot of land for 30, Prospect Lane, Harpenden as measuring 1,343 m².

That makes it the 13th largest plot in the postcode, where all 30 other houses have recorded plot data.

30, Prospect Lane, Harpenden has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 17 Feb 2011.

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

Since 2010 33 properties similar to 30, 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 14th August 2025, was 44, The Uplands, Harpenden, AL5 2NZ, a freehold house which sold for £1,725,000.

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 Jun 2025£2,950,000 | 5 Bed House22, Prospect Lane, Harpenden, AL5 2PL22, Prospect Lane, Harpenden, AL5 2PL
• 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 Dec 2021£2,185,000 | 5 Bed House1, The Chowns, Harpenden, AL5 2BN1, The Chowns, Harpenden, AL5 2BN
• 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 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 Apr 2013£1,500,000 | 5 Bed House15, The Chowns, Harpenden, AL5 2BN15, The Chowns, Harpenden, AL5 2BN
• 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

Over the past 2 years our Estate Agent network has recorded 2 lets within 2.1 kilometres of 30, 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, 30, Prospect Lane, Harpenden comes out as the 8th largest and the 9th most expensive in our analysis of the public data.

It is also £1.667m 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.