9, Haslingden Close, Harpenden occupies a 664 m² plot as recorded by HM Land Registry.

All 22 other houses in this postcode have recorded plot sizes, and this one ranks as the largest.

9, Haslingden Close, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 27 Jun 2013.

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

9, Haslingden Close, Harpenden last changed hands on 7th May 2014, selling for £775,000. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

The market for similar properties has risen by 49.4% since May 2014.

• Sold May 2014£775,000

Land Registry records and our Estate Agent network show 220 sales of comparable properties within 1.1 kilometres of 9, Haslingden Close, Harpenden since 2011.

Most recently, 19, Ridge Avenue, Harpenden, AL5 3LT, a freehold house, sold at £985,500 on the 12th November 2025.

Read more about house prices in AL5.

• Sold Nov 2025£985,500 | 4 Bed House19, Ridge Avenue, Harpenden, AL5 3LT19, Ridge Avenue, Harpenden, AL5 3LT
• Sold Oct 2025£1,510,000 | 4 Bed House4, Wood End Hill, Harpenden, AL5 3EZ4, Wood End Hill, Harpenden, AL5 3EZ
• Sold Aug 2025£950,000 | 4 Bed House13, Haslingden Close, Harpenden, AL5 3EW13, Haslingden Close, Harpenden, AL5 3EW
• Sold Oct 2024£950,000 | 4 Bed House12, Carpenders Close, Harpenden, AL5 3HN12, Carpenders Close, Harpenden, AL5 3HN
• Sold Oct 2024£875,000 | 4 Bed House23, Brackendale Grove, Harpenden, AL5 3EL23, Brackendale Grove, Harpenden, AL5 3EL
• Sold May 2024£950,000 | 4 Bed House3, Carpenders Close, Harpenden, AL5 3HN3, Carpenders Close, Harpenden, AL5 3HN
• Sold Mar 2024£970,000 | 4 Bed House11, Haslingden Close, Harpenden, AL5 3EW11, Haslingden Close, Harpenden, AL5 3EW
• Sold Dec 2022£875,000 | 4 Bed House35, Tuffnells Way, Harpenden, AL5 3HA35, Tuffnells Way, Harpenden, AL5 3HA
• Sold Jul 2022£995,000 | 4 Bed House32, Ashley Gardens, Harpenden, AL5 3EY32, Ashley Gardens, Harpenden, AL5 3EY
• Sold Mar 2021£850,000 | 4 Bed House9, Brackendale Grove, Harpenden, AL5 3EL9, Brackendale Grove, Harpenden, AL5 3EL
• Sold Dec 2020£875,000 | 4 Bed House21, Yeomans Avenue, Harpenden, AL5 3EH21, Yeomans Avenue, Harpenden, AL5 3EH
• Sold May 2019£955,000 | 4 Bed House32, Brackendale Grove, Harpenden, AL5 3EJ32, Brackendale Grove, Harpenden, AL5 3EJ
• Sold Apr 2018£830,000 | 4 Bed House16, Brackendale Grove, Harpenden, AL5 3EJ16, Brackendale Grove, Harpenden, AL5 3EJ
• Sold May 2017£900,000 | 4 Bed House34, Brackendale Grove, Harpenden, AL5 3EJ34, Brackendale Grove, Harpenden, AL5 3EJ
• Sold May 2015£635,000 | 4 Bed House8, Haslingden Close, Harpenden, AL5 3EW8, Haslingden Close, Harpenden, AL5 3EW
• Sold Jan 2015£810,000 | 4 Bed House17, Haslingden Close, Harpenden, AL5 3EW17, Haslingden Close, Harpenden, AL5 3EW
• Sold Nov 2013£612,000 | 4 Bed House44, Ashley Gardens, Harpenden, AL5 3EY44, Ashley Gardens, Harpenden, AL5 3EY
• Sold Aug 2013£590,000 | 4 Bed House29, Haslingden Close, Harpenden, AL5 3EW29, Haslingden Close, Harpenden, AL5 3EW
• Sold Nov 2011£690,000 | 4 Bed House5, Haslingden Close, Harpenden, AL5 3EW5, Haslingden Close, Harpenden, AL5 3EW
• Sold Jun 2011£565,000 | 4 Bed House3, Brackendale Grove, Harpenden, AL5 3EL3, Brackendale Grove, Harpenden, AL5 3EL

Our analysis of the public data ranks 9, Haslingden Close, Harpenden as the 11th largest and the 15th most expensive of the 22 addresses on Haslingden Close, Harpenden, AL5.

Against the AL5 postcode district average, it is £35k less expensive than the typical property.

• Wood End School

  300 m away
• Roundwood Primary School

  700 m away
• St Nicholas CofE VA Primary School

  1.7 km away

• Roundwood Park School

  700 m away
• St George's School

  1.8 km away
• Sir John Lawes School

  2.3 km away

• Harpenden

  |

  2.2 km away
• Luton Airport Parkway

  |

  5.5 km away
• Luton

  |

  6.9 km away

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