55, Park Mount, Harpenden occupies a 355 m² plot as recorded by HM Land Registry.

Of the 27 other houses in this postcode, 19 have recorded plot sizes, and this one ranks as the 13th largest.

55, Park Mount, Harpenden has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 05 Oct 2021.

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

55, Park Mount, Harpenden last changed hands on 12th April 2006, selling for £430,000. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

• Sold Apr 2006£430,000

Land Registry records and our Estate Agent network show 82 sales of comparable properties within 740 metres of 55, Park Mount, Harpenden since 2014.

Most recently, 44, Park Mount, Harpenden, AL5 3AR, a freehold house, sold at £1,095,000 on the 13th November 2025.

Read more about house prices in AL5.

• Sold Nov 2025£1,095,000 | 4 Bed House44, Park Mount, Harpenden, AL5 3AR44, Park Mount, Harpenden, AL5 3AR
• Sold Oct 2025£1,060,000 | 5 Bed House245, Luton Road, Harpenden, AL5 3DE245, Luton Road, Harpenden, AL5 3DE
• Sold Mar 2025£1,020,000 | 4 Bed House10, Park Mount, Harpenden, AL5 3AR10, Park Mount, Harpenden, AL5 3AR
• Sold Jan 2025£1,300,000 | 5 Bed House8, How Field, Harpenden, AL5 3AU8, How Field, Harpenden, AL5 3AU
• Sold Jul 2024£1,150,000 | 5 Bed House93, Luton Road, Harpenden, AL5 3BA93, Luton Road, Harpenden, AL5 3BA
• Sold Jun 2024£1,125,000 | 5 Bed House16, Park Mount, Harpenden, AL5 3AR16, Park Mount, Harpenden, AL5 3AR
• Sold Oct 2023£875,000 | 4 Bed House75, Luton Road, Harpenden, AL5 3BA75, Luton Road, Harpenden, AL5 3BA
• Sold May 2023£1,010,000 | 4 Bed House37, Ridgewood Drive, Harpenden, AL5 3LJ37, Ridgewood Drive, Harpenden, AL5 3LJ
• Sold Dec 2021£1,135,000 | 4 Bed House22, Park Mount, Harpenden, AL5 3AR22, Park Mount, Harpenden, AL5 3AR
• Sold Jun 2021£1,150,000 | 5 Bed House5, Lambourn Gardens, Harpenden, AL5 4DQ5, Lambourn Gardens, Harpenden, AL5 4DQ
• Sold Feb 2021£1,315,000 | 5 Bed House7, Park Rise, Harpenden, AL5 3AH7, Park Rise, Harpenden, AL5 3AH
• Sold Nov 2020£1,100,000 | 5 Bed House47, Park Mount, Harpenden, AL5 3AS47, Park Mount, Harpenden, AL5 3AS
• Sold May 2020£775,000 | 5 Bed House69, Park Rise, Harpenden, AL5 3AN69, Park Rise, Harpenden, AL5 3AN
• Sold Sep 2019£1,010,000 | 5 Bed House26, Park Mount, Harpenden, AL5 3AR26, Park Mount, Harpenden, AL5 3AR
• Sold Feb 2019£935,000 | 5 Bed House36, Park Mount, Harpenden, AL5 3AR36, Park Mount, Harpenden, AL5 3AR
• Sold Aug 2018£1,100,000 | 4 Bed House28, Park Rise, Harpenden, AL5 3AL28, Park Rise, Harpenden, AL5 3AL
• Sold May 2018£978,000 | 5 Bed House16, Park Rise Close, Harpenden, AL5 3AW16, Park Rise Close, Harpenden, AL5 3AW
• Sold Sep 2017£1,531,000 | 5 Bed House36, Park Hill, Harpenden, AL5 3AT36, Park Hill, Harpenden, AL5 3AT
• Sold Jun 2017£1,010,000 | 5 Bed House28, Park Hill, Harpenden, AL5 3AT28, Park Hill, Harpenden, AL5 3AT
• Sold May 2014£800,000 | 5 Bed House29, Harpenden Rise, Harpenden, AL5 3BG29, Harpenden Rise, Harpenden, AL5 3BG

Our analysis of the public data ranks 55, Park Mount, Harpenden as the 4th largest and the 6th most expensive of the 70 addresses on Park Mount, Harpenden, AL5.

Against the AL5 postcode district average, it is £178k more expensive than the typical property.

• Roundwood Primary School

  500 m away
• St Nicholas CofE VA Primary School

  900 m away
• Wood End School

  1.1 km away

• Roundwood Park School

  500 m away
• St George's School

  900 m away
• Sir John Lawes School

  1.4 km away

• Harpenden

  |

  1.3 km away
• Luton Airport Parkway

  |

  5.9 km away
• Luton

  |

  7.4 km away

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