HM Land Registry records the plot of land for 23, Park Mount, Harpenden as measuring 201 m².

That makes it the 17th largest plot in the postcode, where 19 of the 27 other houses have recorded plot data.

23, Park Mount, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 01 Feb 2014.

The property is not connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

The most recent sale of 23, Park Mount, Harpenden completed on 3rd December 2014 at £535,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 the property has sold 3 times.

Values of comparable properties have risen by 35.6% over the period since December 2014.

• Sold Dec 2014£535,000
• Sold Apr 2006£385,000
• Sold Oct 2002£280,000

Since 2017 56 properties similar to 23, Park Mount, Harpenden have sold within a radius of 720 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 15th May 2026, was 33, Park Mount, Harpenden, AL5 3AS, a freehold house which sold for £725,000.

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 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 Mar 2025£620,000 | 4 Bed House9, Old Rectory Close, Harpenden, AL5 2UD9, Old Rectory Close, Harpenden, AL5 2UD
• Sold Oct 2024£850,000 | 4 Bed House3, Park Rise Close, Harpenden, AL5 3AW3, Park Rise Close, Harpenden, AL5 3AW
• Sold Aug 2024£862,500 | 3 Bed House48, Park Mount, Harpenden, AL5 3AR48, Park Mount, Harpenden, AL5 3AR
• Sold Sep 2023£562,000 | 3 Bed House16, Old Rectory Close, Harpenden, AL5 2UD16, Old Rectory Close, Harpenden, AL5 2UD
• Sold Feb 2023£550,000 | 3 Bed House27, Park Mount, Harpenden, AL5 3AS27, Park Mount, Harpenden, AL5 3AS
• Sold Jan 2023£615,000 | 3 Bed House2, Old Rectory Close, Harpenden, AL5 2UD2, Old Rectory Close, Harpenden, AL5 2UD
• Sold Oct 2022£775,000 | 3 Bed House42, Harpenden Rise, Harpenden, AL5 3BH42, Harpenden Rise, Harpenden, AL5 3BH
• Sold Sep 2022£720,000 | 3 Bed House29, Aplins Close, Harpenden, AL5 2PZ29, Aplins Close, Harpenden, AL5 2PZ
• Sold Sep 2022£945,000 | 3 Bed House19, Harpenden Rise, Harpenden, AL5 3BG19, Harpenden Rise, Harpenden, AL5 3BG
• Sold Jun 2022£650,000 | 3 Bed House18, Old Rectory Close, Harpenden, AL5 2UD18, Old Rectory Close, Harpenden, AL5 2UD
• 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£536,000 | 3 Bed House30, Aplins Close, Harpenden, AL5 2QB30, Aplins Close, Harpenden, AL5 2QB
• Sold Feb 2022£593,000 | 4 Bed House22, Aplins Close, Harpenden, AL5 2QB22, Aplins Close, Harpenden, AL5 2QB
• Sold Dec 2021£640,000 | 3 Bed House10, Park Hill, Harpenden, AL5 3AT10, Park Hill, Harpenden, AL5 3AT
• Sold Oct 2017£650,000 | 3 Bed House5, Park Mount, Harpenden, AL5 3AS5, Park Mount, Harpenden, AL5 3AS

Of the 70 addresses on Park Mount, Harpenden, AL5, 23, Park Mount, Harpenden comes out as the 38th largest and the 52nd most expensive in our analysis of the public data.

It is also £259k less expensive than the average property across the AL5 district.

• 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

The flood risk here is rated Very Low, based on Environment Agency data.