51, Park Mount, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 24 Jan 2024.

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

51, Park Mount, Harpenden last changed hands on 31st October 1997, selling for £139,950. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

• Sold Oct 1997£139,950

Land Registry records and our Estate Agent network show 88 sales of comparable properties within 730 metres of 51, Park Mount, Harpenden since 2016.

Most recently, 33, Park Mount, Harpenden, AL5 3AS, a freehold house, sold at £725,000 on the 15th May 2026.

Read more about house prices in AL5.

• Sold May 2026£725,000 | 3 Bed House33, Park Mount, Harpenden, AL5 3AS33, Park Mount, Harpenden, AL5 3AS
• Sold Dec 2025£717,230 | 3 Bed House3, Park Mount, Harpenden, AL5 3AS3, Park Mount, Harpenden, AL5 3AS
• Sold Nov 2025£682,000 | 3 Bed House7, Park Hill, Harpenden, AL5 3AT7, Park Hill, Harpenden, AL5 3AT
• Sold Aug 2025£685,000 | 3 Bed House19, Park Mount, Harpenden, AL5 3AS19, Park Mount, Harpenden, AL5 3AS
• Sold Mar 2025£699,950 | 3 Bed House3, Park Hill, Harpenden, AL5 3AT3, Park Hill, Harpenden, AL5 3AT
• Sold Feb 2025£870,000 | 3 Bed House23, Hillside Road, Harpenden, AL5 4BS23, Hillside Road, Harpenden, AL5 4BS
• Sold Dec 2024£852,000 | 3 Bed House24, Park Mount, Harpenden, AL5 3AR24, Park Mount, Harpenden, AL5 3AR
• Sold Nov 2024£760,000 | 3 Bed House2, Park Hill, Harpenden, AL5 3AT2, Park Hill, Harpenden, AL5 3AT
• Sold Aug 2024£862,500 | 3 Bed House48, Park Mount, Harpenden, AL5 3AR48, Park Mount, Harpenden, AL5 3AR
• Sold Feb 2023£550,000 | 3 Bed House27, Park Mount, Harpenden, AL5 3AS27, Park Mount, Harpenden, AL5 3AS
• Sold Sep 2022£945,000 | 3 Bed House19, Harpenden Rise, Harpenden, AL5 3BG19, Harpenden Rise, Harpenden, AL5 3BG
• Sold May 2022£600,000 | 3 Bed House9, Harpenden Rise, Harpenden, AL5 3BG9, Harpenden Rise, Harpenden, AL5 3BG
• Sold Apr 2022£705,000 | 4 Bed House2, Otterton Close, Harpenden, AL5 3BE2, Otterton Close, Harpenden, AL5 3BE
• Sold Apr 2022£825,000 | 3 Bed House25, Park Mount, Harpenden, AL5 3AS25, Park Mount, Harpenden, AL5 3AS
• Sold Dec 2021£640,000 | 3 Bed House10, Park Hill, Harpenden, AL5 3AT10, Park Hill, Harpenden, AL5 3AT
• Sold Sep 2021£645,000 | 3 Bed House64, Park Mount, Harpenden, AL5 3AR64, Park Mount, Harpenden, AL5 3AR
• Sold Jun 2021£565,000 | 3 Bed House16, Park Hill, Harpenden, AL5 3AT16, Park Hill, Harpenden, AL5 3AT
• Sold Oct 2019£550,000 | 3 Bed House27, Park Rise, Harpenden, AL5 3AP27, Park Rise, Harpenden, AL5 3AP
• Sold Oct 2017£650,000 | 3 Bed House5, Park Mount, Harpenden, AL5 3AS5, Park Mount, Harpenden, AL5 3AS
• Sold Feb 2016£695,000 | 3 Bed House46, Park Mount, Harpenden, AL5 3AR46, Park Mount, Harpenden, AL5 3AR

Our analysis of the public data ranks 51, Park Mount, Harpenden as the 51st largest and the 50th most expensive of the 70 addresses on Park Mount, Harpenden, AL5.

Against the AL5 postcode district average, it is £219k less 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.