19, Townsend Road, Harpenden occupies a 523 m² plot as recorded by HM Land Registry.

Of the 24 other houses in this postcode, 22 have recorded plot sizes, and this one ranks as the 17th largest.

19, Townsend Road, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 26 Jun 2017.

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

19, Townsend Road, Harpenden last changed hands on 15th December 2010, selling for £674,000. 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 risen by 45.6% since December 2010.

• Sold Dec 2010£674,000

Land Registry records and our Estate Agent network show 116 sales of comparable properties within 670 metres of 19, Townsend Road, Harpenden since 2012.

Most recently, 10, Grant Gardens, Harpenden, AL5 4QD, a freehold house, sold at £1,530,000 on the 25th February 2026.

Read more about house prices in AL5.

• Sold Feb 2026£1,530,000 | 5 Bed House10, Grant Gardens, Harpenden, AL5 4QD10, Grant Gardens, Harpenden, AL5 4QD
• Sold Sep 2025£1,610,000 | 4 Bed House4, Townsend Lane, Harpenden, AL5 2QE4, Townsend Lane, Harpenden, AL5 2QE
• Sold Jul 2025£1,375,000 | 4 Bed House16, Hitherfield Lane, Harpenden, AL5 4JD16, Hitherfield Lane, Harpenden, AL5 4JD
• Sold Jul 2025£1,495,000 | 4 Bed House37, Hillside Road, Harpenden, AL5 4BS37, Hillside Road, Harpenden, AL5 4BS
• Sold Aug 2024£1,225,000 | 4 Bed House26, Tennyson Road, Harpenden, AL5 4BB26, Tennyson Road, Harpenden, AL5 4BB
• Sold Jan 2024£1,500,000 | 4 Bed House11B, Douglas Road, Harpenden, AL5 2EN11B, Douglas Road, Harpenden, AL5 2EN
• Sold Oct 2023£1,160,000 | 4 Bed House33, Ambrose Lane, Harpenden, AL5 4DG33, Ambrose Lane, Harpenden, AL5 4DG
• Sold Dec 2022£1,560,100 | 4 Bed House14, Ambrose Lane, Harpenden, AL5 4AX14, Ambrose Lane, Harpenden, AL5 4AX
• Sold Dec 2022£1,720,000 | 5 Bed House5, Ambrose Lane, Harpenden, AL5 4AU5, Ambrose Lane, Harpenden, AL5 4AU
• Sold Jan 2022£1,150,000 | 4 Bed House38, Tennyson Road, Harpenden, AL5 4BB38, Tennyson Road, Harpenden, AL5 4BB
• Sold Nov 2021£1,340,000 | 4 Bed House5, Grant Gardens, Harpenden, AL5 4QD5, Grant Gardens, Harpenden, AL5 4QD
• Sold Jun 2021£1,150,000 | 5 Bed House5, Lambourn Gardens, Harpenden, AL5 4DQ5, Lambourn Gardens, Harpenden, AL5 4DQ
• Sold May 2021£1,144,000 | 4 Bed House31, Hollybush Lane, Harpenden, AL5 4AS31, Hollybush Lane, Harpenden, AL5 4AS
• Sold May 2021£1,100,000 | 4 Bed House22, Wordsworth Road, Harpenden, AL5 4AF22, Wordsworth Road, Harpenden, AL5 4AF
• Sold Oct 2020£1,162,000 | 4 Bed House28, Tennyson Road, Harpenden, AL5 4BB28, Tennyson Road, Harpenden, AL5 4BB
• Sold Nov 2019£1,350,000 | 4 Bed House11, Townsend Road, Harpenden, AL5 4BQ11, Townsend Road, Harpenden, AL5 4BQ
• Sold Nov 2019£1,000,000 | 4 Bed House29, Hollybush Lane, Harpenden, AL5 4AS29, Hollybush Lane, Harpenden, AL5 4AS
• Sold Sep 2019£1,200,000 | 4 Bed House39, Tennyson Road, Harpenden, AL5 4BD39, Tennyson Road, Harpenden, AL5 4BD
• Sold Mar 2015£1,040,000 | 4 Bed House17, Townsend Road, Harpenden, AL5 4BQ17, Townsend Road, Harpenden, AL5 4BQ
• Sold Oct 2012£980,000 | 4 Bed House11, Douglas Road, Harpenden, AL5 2EN11, Douglas Road, Harpenden, AL5 2EN

Our analysis of the public data ranks 19, Townsend Road, Harpenden as the 25th largest and the 18th most expensive of the 46 addresses on Townsend Road, Harpenden, AL5.

Against the AL5 postcode district average, it is £437k more expensive than the typical property.

• St Nicholas CofE VA Primary School

  500 m away
• Harpenden Academy

  700 m away
• Manland Primary School

  800 m away

• St George's School

  400 m away
• Sir John Lawes School

  900 m away
• Roundwood Park School

  1.0 km away

• Harpenden

  |

  900 m away
• Luton Airport Parkway

  |

  6.3 km away
• Luton

  |

  7.8 km away

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