11, Townsend Road, Harpenden occupies a 869 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 6th largest.

11, Townsend Road, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 14 May 2019.

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

11, Townsend Road, Harpenden last changed hands on 21st November 2019, selling for £1,350,000. 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 risen by 2.9% since November 2019.

• Sold Nov 2019£1,350,000
• Sold Jan 1995£195,000

Land Registry records and our Estate Agent network show 123 sales of comparable properties within 670 metres of 11, 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 Dec 2025£1,650,000 | 5 Bed House10, Wordsworth Road, Harpenden, AL5 4AF10, Wordsworth Road, Harpenden, AL5 4AF
• Sold Nov 2025£1,515,000 | 5 Bed House3, Ambrose Lane, Harpenden, AL5 4AU3, Ambrose Lane, Harpenden, AL5 4AU
• Sold Sep 2025£1,610,000 | 4 Bed House4, Townsend Lane, Harpenden, AL5 2QE4, Townsend Lane, Harpenden, AL5 2QE
• Sold Jul 2025£1,305,000 | 4 Bed House12, Bloomfield Road, Harpenden, AL5 4DB12, Bloomfield Road, Harpenden, AL5 4DB
• Sold Oct 2023£1,215,000 | 5 Bed House25, Townsend Road, Harpenden, AL5 4BG25, Townsend Road, Harpenden, AL5 4BG
• Sold Aug 2023£1,400,000 | 5 Bed House18, Tennyson Road, Harpenden, AL5 4BB18, Tennyson Road, Harpenden, AL5 4BB
• Sold Aug 2023£1,400,000 | 5 Bed House16, Byron Road, Harpenden, AL5 4AB16, Byron Road, Harpenden, AL5 4AB
• Sold Jul 2023£1,325,000 | 5 Bed House4, Townsend Road, Harpenden, AL5 4BQ4, Townsend Road, Harpenden, AL5 4BQ
• Sold Mar 2023£1,507,500 | 4 Bed House21, Moreton End Lane, Harpenden, AL5 2EY21, Moreton End Lane, Harpenden, AL5 2EY
• 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 Jun 2022£1,510,000 | 5 Bed House48, Bloomfield Road, Harpenden, AL5 4DB48, Bloomfield Road, Harpenden, AL5 4DB
• Sold Dec 2021£1,232,000 | 5 Bed House1 Lavendon, Aplins Close, Harpenden, AL5 2RJ1 Lavendon, Aplins Close, Harpenden, AL5 2RJ
• Sold May 2021£1,100,000 | 4 Bed House22, Wordsworth Road, Harpenden, AL5 4AF22, Wordsworth Road, Harpenden, AL5 4AF
• Sold Aug 2020£1,089,000 | 5 Bed House12, Broadfields, Harpenden, AL5 2HJ12, Broadfields, Harpenden, AL5 2HJ
• Sold May 2020£1,150,000 | 5 Bed House23, Broadfields, Harpenden, AL5 2HJ23, Broadfields, Harpenden, AL5 2HJ
• Sold Mar 2015£1,040,000 | 4 Bed House17, Townsend Road, Harpenden, AL5 4BQ17, Townsend Road, Harpenden, AL5 4BQ
• Sold Mar 2014£908,000 | 5 Bed House8, Wordsworth Road, Harpenden, AL5 4AF8, Wordsworth Road, Harpenden, AL5 4AF
• 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 11, Townsend Road, Harpenden as the 18th largest and the 14th most expensive of the 46 addresses on Townsend Road, Harpenden, AL5.

Against the AL5 postcode district average, it is £524k 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.