3, Park Mount, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 25 Jun 2025.

The property is connected to mains gas and has partial multiple glazing. It is heated using a boiler and radiators (mains gas).

According to HM Land Registry, 3, Park Mount, Harpenden was last sold on 5th December 2025 for £717,230 and was recorded as a freehold house.

The property has had 5 sales since 1995.

Since December 2025, the market for similar properties has dropped by 2.5%.

• Sold Dec 2025£717,230
• Sold Jul 2022£750,000
• Sold May 2017£575,000

According to the Land Registry and our network of Estate Agents, there have been 85 sales of properties similar to 3, Park Mount, Harpenden within a radius of 730 metres since 2015.

The most recent example is 33, Park Mount, Harpenden, AL5 3AS, a freehold house which sold for £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 Aug 2025£685,000 | 3 Bed House19, Park Mount, Harpenden, AL5 3AS19, Park Mount, Harpenden, AL5 3AS
• Sold Mar 2025£500,000 | 4 Bed House6A, Harpenden Rise, Harpenden, AL5 3BH6A, Harpenden Rise, Harpenden, AL5 3BH
• Sold Dec 2024£775,000 | 4 Bed House1, Park Hill, Harpenden, AL5 3AT1, Park Hill, Harpenden, AL5 3AT
• Sold Dec 2024£852,000 | 3 Bed House24, Park Mount, Harpenden, AL5 3AR24, Park Mount, Harpenden, AL5 3AR
• Sold Aug 2024£862,500 | 3 Bed House48, Park Mount, Harpenden, AL5 3AR48, Park Mount, Harpenden, AL5 3AR
• Sold May 2024£750,000 | 3 Bed House5, Park Hill, Harpenden, AL5 3AT5, Park Hill, Harpenden, AL5 3AT
• 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 Feb 2022£582,000 | 3 Bed House15, Harpenden Rise, Harpenden, AL5 3BG15, Harpenden Rise, Harpenden, AL5 3BG
• 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 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 Feb 2016£695,000 | 3 Bed House46, Park Mount, Harpenden, AL5 3AR46, Park Mount, Harpenden, AL5 3AR
• Sold May 2015£515,000 | 3 Bed House14, Park Hill, Harpenden, AL5 3AT14, Park Hill, Harpenden, AL5 3AT

Park Mount, Harpenden, AL5 has a total of 70 addresses. According to our analysis of all the public data, 3, Park Mount, Harpenden is the 46th largest and the 49th most expensive property on the street.

When compared to the postcode district it is £216k 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

  1.4 km away

• Harpenden

  |

  1.3 km away
• Luton Airport Parkway

  |

  5.9 km away
• Luton

  |

  7.4 km away

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