15, Townsend Lane, Harpenden occupies a 1,067 m² plot as recorded by HM Land Registry.

All 10 other houses in this postcode have recorded plot sizes, and this one ranks as the 3rd largest.

15, Townsend Lane, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 12 Jun 2020.

The property is connected to mains gas and has mostly double glazing. It is heated using a boiler and radiators (mains gas).

15, Townsend Lane, Harpenden last changed hands on 16th July 2021, selling for £1,537,000. 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 6.5% since July 2021.

• Sold Jul 2021£1,537,000

Land Registry records and our Estate Agent network show 36 sales of comparable properties within 670 metres of 15, Townsend Lane, Harpenden since 2014.

Most recently, 7, Moreton Place, Harpenden, AL5 2UF, a freehold house, sold at £1,925,000 on the 13th January 2026.

Read more about house prices in AL5.

• Sold Jan 2026£1,925,000 | 5 Bed House7, Moreton Place, Harpenden, AL5 2UF7, Moreton Place, Harpenden, AL5 2UF
• Sold Aug 2025£2,242,800 | 5 Bed House16, Bowers Way, Harpenden, AL5 4EW16, Bowers Way, Harpenden, AL5 4EW
• Sold Mar 2025£2,500,000 | 5 Bed House68, Townsend Lane, Harpenden, AL5 2RG68, Townsend Lane, Harpenden, AL5 2RG
• Sold Jan 2025£1,846,000 | 5 Bed House10, Hollybush Lane, Harpenden, AL5 4AT10, Hollybush Lane, Harpenden, AL5 4AT
• Sold Aug 2024£2,300,000 | 5 Bed House11, Moreton Avenue, Harpenden, AL5 2EU11, Moreton Avenue, Harpenden, AL5 2EU
• Sold Mar 2024£1,735,000 | 5 Bed House8, Douglas Road, Harpenden, AL5 2EW8, Douglas Road, Harpenden, AL5 2EW
• Sold Apr 2023£2,040,000 | 5 Bed House13, Townsend Road, Harpenden, AL5 4BQ13, Townsend Road, Harpenden, AL5 4BQ
• Sold Feb 2023£1,865,000 | 5 Bed House9, Maple Road, Harpenden, AL5 2DX9, Maple Road, Harpenden, AL5 2DX
• Sold Jun 2022£1,645,000 | 5 Bed House14, Moreton End Lane, Harpenden, AL5 2EX14, Moreton End Lane, Harpenden, AL5 2EX
• Sold Nov 2021£1,835,000 | 5 Bed House4, Douglas Road, Harpenden, AL5 2EW4, Douglas Road, Harpenden, AL5 2EW
• Sold Sep 2021£1,860,000 | 5 Bed House49, Luton Road, Harpenden, AL5 2UB49, Luton Road, Harpenden, AL5 2UB
• Sold Jun 2021£2,150,000 | 5 Bed House20, Byron Road, Harpenden, AL5 4AB20, Byron Road, Harpenden, AL5 4AB
• Sold Jul 2019£1,750,000 | 5 Bed House16, Moreton Avenue, Harpenden, AL5 2ET16, Moreton Avenue, Harpenden, AL5 2ET
• Sold Mar 2019£1,800,000 | 5 Bed House55, Luton Road, Harpenden, AL5 2UE55, Luton Road, Harpenden, AL5 2UE
• Sold Sep 2018£1,900,000 | 5 Bed HouseMeota, The Bourne, Salisbury Avenue, Harpenden, AL5 2PSMeota, The Bourne, Salisbury Avenue, Harpenden, AL5 2PS
• Sold Mar 2018£1,850,000 | 5 Bed House33, Moreton End Lane, Harpenden, AL5 2EY33, Moreton End Lane, Harpenden, AL5 2EY
• Sold Dec 2017£1,150,000 | 4 Bed House4, Salisbury Avenue, Harpenden, AL5 2QG4, Salisbury Avenue, Harpenden, AL5 2QG
• Sold Feb 2015£1,470,000 | 5 Bed House15, Moreton End Lane, Harpenden, AL5 2EY15, Moreton End Lane, Harpenden, AL5 2EY
• Sold Dec 2014£1,425,000 | 5 Bed House6, Salisbury Avenue, Harpenden, AL5 2QG6, Salisbury Avenue, Harpenden, AL5 2QG
• Sold Oct 2014£1,400,000 | 5 Bed House16, Sun Lane, Harpenden, AL5 4EU16, Sun Lane, Harpenden, AL5 4EU

Our analysis of the public data ranks 15, Townsend Lane, Harpenden as the 10th largest and the 11th most expensive of the 106 addresses on Townsend Lane, Harpenden, AL5.

Against the AL5 postcode district average, it is £1.219m more expensive than the typical property.

• St Nicholas CofE VA Primary School

  300 m away
• Harpenden Academy

  600 m away
• Roundwood Primary School

  800 m away

• St George's School

  600 m away
• Roundwood Park School

  800 m away
• Sir John Lawes School

  1.1 km away

• Harpenden

  |

  700 m away
• Luton Airport Parkway

  |

  6.5 km away
• St Albans City

  |

  7.9 km away

Environment Agency data suggests this area has a Very Low risk of flooding.