10, Park Mount, Harpenden occupies a 368 m² plot as recorded by HM Land Registry.

Of the 33 other houses in this postcode, 19 have recorded plot sizes, and this one ranks as the 2nd largest.

10, Park Mount, Harpenden has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 30 Sep 2024.

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

10, Park Mount, Harpenden last changed hands on 31st March 2025, selling for £1,020,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold 4 times since 1995.

The market for similar properties has risen by 3.4% since March 2025.

• Sold Mar 2025£1,020,000
• Sold Apr 2011£527,500
• Sold Aug 2003£347,000

Land Registry records and our Estate Agent network show 140 sales of comparable properties within 730 metres of 10, Park Mount, Harpenden since 2017.

Most recently, 13, Park Rise, Harpenden, AL5 3AH, a freehold house, sold at £835,000 on the 12th December 2025.

Read more about house prices in AL5.

• Sold Dec 2025£835,000 | 4 Bed House13, Park Rise, Harpenden, AL5 3AH13, Park Rise, Harpenden, AL5 3AH
• Sold Nov 2025£1,095,000 | 4 Bed House44, Park Mount, Harpenden, AL5 3AR44, Park Mount, Harpenden, AL5 3AR
• Sold Oct 2025£1,290,000 | 4 Bed House12, Lambourn Gardens, Harpenden, AL5 4DQ12, Lambourn Gardens, Harpenden, AL5 4DQ
• Sold Oct 2025£1,060,000 | 5 Bed House245, Luton Road, Harpenden, AL5 3DE245, Luton Road, Harpenden, AL5 3DE
• Sold Sep 2025£1,160,000 | 4 Bed House4, Park Mount, Harpenden, AL5 3AR4, Park Mount, Harpenden, AL5 3AR
• Sold Jul 2024£1,150,000 | 5 Bed House93, Luton Road, Harpenden, AL5 3BA93, Luton Road, Harpenden, AL5 3BA
• Sold Mar 2024£1,287,500 | 4 Bed House49, Hillside Road, Harpenden, AL5 4BS49, Hillside Road, Harpenden, AL5 4BS
• Sold Mar 2024£1,050,000 | 4 Bed House15, Hillside Road, Harpenden, AL5 4BS15, Hillside Road, Harpenden, AL5 4BS
• Sold Oct 2023£875,000 | 4 Bed House75, Luton Road, Harpenden, AL5 3BA75, Luton Road, Harpenden, AL5 3BA
• Sold Sep 2022£1,250,000 | 4 Bed House5, Otterton Close, Harpenden, AL5 3BE5, Otterton Close, Harpenden, AL5 3BE
• Sold Apr 2022£925,000 | 4 Bed House57, Park Mount, Harpenden, AL5 3AS57, Park Mount, Harpenden, AL5 3AS
• Sold Jan 2022£895,000 | 4 Bed House87, Luton Road, Harpenden, AL5 3BA87, Luton Road, Harpenden, AL5 3BA
• Sold Dec 2021£1,135,000 | 4 Bed House22, Park Mount, Harpenden, AL5 3AR22, Park Mount, Harpenden, AL5 3AR
• Sold Oct 2021£1,150,000 | 4 Bed House38, Park Mount, Harpenden, AL5 3AR38, Park Mount, Harpenden, AL5 3AR
• Sold Feb 2021£975,000 | 4 Bed House16, Ridgewood Gardens, Harpenden, AL5 3NN16, Ridgewood Gardens, Harpenden, AL5 3NN
• Sold Apr 2019£800,000 | 4 Bed House50, Park Mount, Harpenden, AL5 3AR50, Park Mount, Harpenden, AL5 3AR
• Sold Apr 2019£935,000 | 4 Bed House79, Luton Road, Harpenden, AL5 3BA79, Luton Road, Harpenden, AL5 3BA
• Sold Aug 2018£1,100,000 | 4 Bed House28, Park Rise, Harpenden, AL5 3AL28, Park Rise, Harpenden, AL5 3AL
• Sold Dec 2017£840,000 | 4 Bed House52, Park Mount, Harpenden, AL5 3AR52, Park Mount, Harpenden, AL5 3AR
• Sold Dec 2017£937,000 | 4 Bed House28A, Park Hill, Harpenden, AL5 3AT28A, Park Hill, Harpenden, AL5 3AT

Our analysis of the public data ranks 10, Park Mount, Harpenden as the 9th largest and the 9th most expensive of the 70 addresses on Park Mount, Harpenden, AL5.

Against the AL5 postcode district average, it is £153k 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

  1.5 km away

• Harpenden

  |

  1.4 km away
• Luton Airport Parkway

  |

  5.9 km away
• Luton

  |

  7.3 km away

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