1, Townsend Lane, Harpenden occupies a 593 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 8th largest.

1, Townsend Lane, Harpenden has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 06 Aug 2025.

The property is connected to mains gas and has partial double glazing. It is heated using electric storage heaters.

1, Townsend Lane, Harpenden last changed hands on 8th May 2026, selling for £950,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold twice since 1995.

The market for similar properties has dropped by 13.8% since May 2026.

• Sold May 2026£950,000
• Sold Aug 1998£270,000

Land Registry records and our Estate Agent network show 85 sales of comparable properties within 660 metres of 1, Townsend Lane, Harpenden since 2014.

Most recently, 23, Kirkdale Road, Harpenden, AL5 2PT, a freehold house, sold at £1,900,000 on the 29th August 2025.

Read more about house prices in AL5.

• Sold Aug 2025£1,900,000 | 4 Bed House23, Kirkdale Road, Harpenden, AL5 2PT23, Kirkdale Road, Harpenden, AL5 2PT
• Sold Jun 2025£2,195,000 | 5 Bed House11C, Douglas Road, Harpenden, AL5 2EN11C, Douglas Road, Harpenden, AL5 2EN
• Sold Oct 2024£2,050,000 | 5 Bed House4A, Salisbury Avenue, Harpenden, AL5 2QG4A, Salisbury Avenue, Harpenden, AL5 2QG
• Sold Aug 2024£2,000,000 | 5 Bed House11A, Salisbury Avenue, Harpenden, AL5 2QF11A, Salisbury Avenue, Harpenden, AL5 2QF
• Sold Apr 2024£1,950,000 | 5 Bed House21, Townsend Lane, Harpenden, AL5 2PY21, Townsend Lane, Harpenden, AL5 2PY
• Sold Apr 2024£1,600,000 | 5 Bed House10, Douglas Road, Harpenden, AL5 2EW10, Douglas Road, Harpenden, AL5 2EW
• Sold Mar 2024£1,573,000 | 5 Bed House1, Grant Gardens, Harpenden, AL5 4QD1, Grant Gardens, Harpenden, AL5 4QD
• Sold Jun 2023£1,600,000 | 5 Bed House5, Douglas Road, Harpenden, AL5 2EN5, Douglas Road, Harpenden, AL5 2EN
• Sold Feb 2023£1,865,000 | 5 Bed House9, Maple Road, Harpenden, AL5 2DX9, Maple Road, Harpenden, AL5 2DX
• Sold Dec 2022£1,800,000 | 5 Bed House24, Longcroft Avenue, Harpenden, AL5 2QZ24, Longcroft Avenue, Harpenden, AL5 2QZ
• Sold Dec 2022£1,717,500 | 5 Bed House22A, Douglas Road, Harpenden, AL5 2EW22A, Douglas Road, Harpenden, AL5 2EW
• Sold Aug 2022£2,075,000 | 5 Bed House4, Orchard Avenue, Harpenden, AL5 2DP4, Orchard Avenue, Harpenden, AL5 2DP
• Sold Jun 2022£1,800,000 | 5 Bed House17, Bowers Way, Harpenden, AL5 4EP17, Bowers Way, Harpenden, AL5 4EP
• Sold Jun 2021£1,578,000 | 5 Bed House12, Townsend Road, Harpenden, AL5 4BQ12, Townsend Road, Harpenden, AL5 4BQ
• Sold Jan 2021£150,000 | 5 Bed House1, Kirkdale Road, Harpenden, AL5 2PT1, Kirkdale Road, Harpenden, AL5 2PT
• Sold Jul 2019£1,610,000 | 5 Bed House11, Townsend Lane, Harpenden, AL5 2PY11, Townsend Lane, Harpenden, AL5 2PY
• Sold May 2019£1,387,500 | 5 Bed House10, Hales Meadow, Harpenden, AL5 4JB10, Hales Meadow, Harpenden, AL5 4JB
• Sold Jul 2017£1,560,000 | 5 Bed House7, Douglas Road, Harpenden, AL5 2EN7, Douglas Road, Harpenden, AL5 2EN
• Sold Feb 2015£1,470,000 | 5 Bed House15, Moreton End Lane, Harpenden, AL5 2EY15, Moreton End Lane, Harpenden, AL5 2EY
• Sold Oct 2014£1,400,000 | 5 Bed House20, Sun Lane, Harpenden, AL5 4EU20, Sun Lane, Harpenden, AL5 4EU

Our analysis of the public data ranks 1, Townsend Lane, Harpenden as the 33rd largest and the 22nd most expensive of the 106 addresses on Townsend Lane, Harpenden, AL5.

Against the AL5 postcode district average, it is £883k 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.