According to data from HM Land Registry, 20, Park Mount, Harpenden sits on a plot of 192 m².

We have plot size data on 19 out of 33 other houses in the postcode and 20, Park Mount, Harpenden sits on the 17th largest plot.

20, Park Mount, Harpenden has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 03 Feb 2024.

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

According to HM Land Registry, 20, Park Mount, Harpenden was last sold on 1st November 2024 for £938,080 and was recorded as a freehold house.

The property has had 4 sales since 1995.

Since November 2024, the market for similar properties has risen by 4.7%.

• Sold Nov 2024£938,080
• Sold Dec 2020£807,500
• Sold May 2006£439,950

According to the Land Registry and our network of Estate Agents, there have been 93 sales of properties similar to 20, Park Mount, Harpenden within a radius of 730 metres since 2012.

The most recent example is 12, Roundwood Lane, Harpenden, AL5 3BZ, a freehold house which sold for £860,000 on the 30th January 2026.

Read more about house prices in AL5.

• Sold Jan 2026£860,000 | 3 Bed House12, Roundwood Lane, Harpenden, AL5 3BZ12, Roundwood Lane, Harpenden, AL5 3BZ
• Sold Dec 2024£775,000 | 4 Bed House1, Park Hill, Harpenden, AL5 3AT1, Park Hill, Harpenden, AL5 3AT
• Sold May 2024£750,000 | 3 Bed House5, Park Hill, Harpenden, AL5 3AT5, Park Hill, Harpenden, AL5 3AT
• Sold Sep 2022£945,000 | 3 Bed House19, Harpenden Rise, Harpenden, AL5 3BG19, Harpenden Rise, Harpenden, AL5 3BG
• Sold Apr 2022£695,000 | 4 Bed House12, Park Mount, Harpenden, AL5 3AR12, Park Mount, Harpenden, AL5 3AR
• Sold Oct 2021£885,000 | 4 Bed House50A, Park Mount, Harpenden, AL5 3AR50A, Park Mount, Harpenden, AL5 3AR
• Sold Sep 2021£645,000 | 3 Bed House64, Park Mount, Harpenden, AL5 3AR64, Park Mount, Harpenden, AL5 3AR
• Sold Nov 2020£795,000 | 4 Bed House102, Park Rise, Harpenden, AL5 3AN102, Park Rise, Harpenden, AL5 3AN
• Sold Jul 2020£655,000 | 4 Bed House2A, Park Mount, Harpenden, AL5 3AR2A, Park Mount, Harpenden, AL5 3AR
• Sold Dec 2019£840,000 | 4 Bed House44, Park Rise, Harpenden, AL5 3AL44, Park Rise, Harpenden, AL5 3AL
• Sold Aug 2019£638,000 | 4 Bed House24, Park Rise, Harpenden, AL5 3AL24, Park Rise, Harpenden, AL5 3AL
• Sold Nov 2018£685,000 | 4 Bed House39, Harpenden Rise, Harpenden, AL5 3BG39, Harpenden Rise, Harpenden, AL5 3BG
• Sold Oct 2018£770,000 | 4 Bed House42, Park Rise, Harpenden, AL5 3AL42, Park Rise, Harpenden, AL5 3AL
• Sold May 2018£765,000 | 4 Bed House19, Park Hill, Harpenden, AL5 3AT19, Park Hill, Harpenden, AL5 3AT
• Sold Nov 2017£702,500 | 3 Bed House2B, Park Mount, Harpenden, AL5 3AR2B, Park Mount, Harpenden, AL5 3AR
• Sold Oct 2017£650,000 | 3 Bed House5, Park Mount, Harpenden, AL5 3AS5, Park Mount, Harpenden, AL5 3AS
• Sold Mar 2016£600,000 | 4 Bed House36, Park Rise, Harpenden, AL5 3AL36, Park Rise, Harpenden, AL5 3AL
• Sold Feb 2016£695,000 | 3 Bed House46, Park Mount, Harpenden, AL5 3AR46, Park Mount, Harpenden, AL5 3AR
• Sold Jul 2015£592,500 | 3 Bed House22, Park Rise, Harpenden, AL5 3AL22, Park Rise, Harpenden, AL5 3AL
• Sold Apr 2012£500,000 | 4 Bed House54, Park Mount, Harpenden, AL5 3AR54, Park Mount, Harpenden, AL5 3AR

Park Mount, Harpenden, AL5 has a total of 70 addresses. According to our analysis of all the public data, 20, Park Mount, Harpenden is the 29th largest and the 29th most expensive property on the street.

When compared to the postcode district it is £62k less expensive than the average property in AL5.

• 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

  1.5 km away

• Harpenden

  |

  1.4 km away
• Luton Airport Parkway

  |

  5.9 km away
• Luton

  |

  7.3 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.