23, The Close, Harpenden occupies a 493 m² plot as recorded by HM Land Registry.

Of the 42 other houses in this postcode, 37 have recorded plot sizes, and this one ranks as the 16th largest.

23, The Close, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 11 Mar 2010.

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

23, The Close, Harpenden last changed hands on 18th June 2010, selling for £435,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold twice since 1995.

The market for similar properties has risen by 88.6% since June 2010.

• Sold Jun 2010£435,000
• Sold Jun 2005£340,000

Land Registry records and our Estate Agent network show 161 sales of comparable properties within 1.5 kilometres of 23, The Close, Harpenden since 2010.

Most recently, 11, Crosspaths, Harpenden, AL5 3HB, a freehold house, sold at £820,000 on the 2nd July 2025.

Read more about house prices in AL5.

• Sold Jul 2025£820,000 | 3 Bed House11, Crosspaths, Harpenden, AL5 3HB11, Crosspaths, Harpenden, AL5 3HB
• Sold Jun 2025£925,000 | 4 Bed House14, Kinsbourne Close, Harpenden, AL5 3PB14, Kinsbourne Close, Harpenden, AL5 3PB
• Sold Feb 2025£687,500 | 4 Bed House16, Kinsbourne Close, Harpenden, AL5 3PB16, Kinsbourne Close, Harpenden, AL5 3PB
• Sold Jan 2025£894,000 | 3 Bed House55, Tuffnells Way, Harpenden, AL5 3HA55, Tuffnells Way, Harpenden, AL5 3HA
• Sold Mar 2024£805,000 | 4 Bed House335, Luton Road, Harpenden, AL5 3LW335, Luton Road, Harpenden, AL5 3LW
• Sold Dec 2023£685,000 | 3 Bed House31, Carpenders Close, Harpenden, AL5 3HN31, Carpenders Close, Harpenden, AL5 3HN
• Sold Mar 2023£785,000 | 3 Bed House2, The Close, Harpenden, AL5 3NB2, The Close, Harpenden, AL5 3NB
• Sold Nov 2022£855,000 | 4 Bed House7, Kinsbourne Close, Harpenden, AL5 3PB7, Kinsbourne Close, Harpenden, AL5 3PB
• Sold Nov 2022£817,500 | 4 Bed House1, Kinsbourne Close, Harpenden, AL5 3PB1, Kinsbourne Close, Harpenden, AL5 3PB
• Sold Apr 2022£875,500 | 4 Bed House1, Tintern Close, Harpenden, AL5 3NZ1, Tintern Close, Harpenden, AL5 3NZ
• Sold Nov 2020£795,000 | 4 Bed House49, Derwent Road, Harpenden, AL5 3NY49, Derwent Road, Harpenden, AL5 3NY
• Sold Jul 2019£665,000 | 3 Bed House33, The Close, Harpenden, AL5 3NB33, The Close, Harpenden, AL5 3NB
• Sold Sep 2017£595,000 | 4 Bed House11, Kinsbourne Close, Harpenden, AL5 3PB11, Kinsbourne Close, Harpenden, AL5 3PB
• Sold Sep 2017£665,000 | 3 Bed House29, The Close, Harpenden, AL5 3NB29, The Close, Harpenden, AL5 3NB
• Sold Apr 2017£615,000 | 4 Bed House34, The Close, Harpenden, AL5 3NB34, The Close, Harpenden, AL5 3NB
• Sold Apr 2016£765,000 | 4 Bed House17, The Pleasance, Harpenden, AL5 3NA17, The Pleasance, Harpenden, AL5 3NA
• Sold Jul 2012£425,000 | 3 Bed House32, The Close, Harpenden, AL5 3NB32, The Close, Harpenden, AL5 3NB
• Sold Feb 2012£350,000 | 4 Bed House6, The Close, Harpenden, AL5 3NB6, The Close, Harpenden, AL5 3NB
• Sold Nov 2010£525,000 | 3 Bed House41, The Close, Harpenden, AL5 3NB41, The Close, Harpenden, AL5 3NB
• Sold Jun 2010£565,000 | 3 Bed House24, The Close, Harpenden, AL5 3NB24, The Close, Harpenden, AL5 3NB

Our analysis of the public data ranks 23, The Close, Harpenden as the 25th largest and the 26th most expensive of the 49 addresses on The Close, Harpenden, AL5.

Against the AL5 postcode district average, it is £142k less expensive than the typical property.

• Wood End School

  400 m away
• Roundwood Primary School

  1.4 km away
• The Lea Primary School and Nursery

  2.0 km away

• Roundwood Park School

  1.3 km away
• St George's School

  2.2 km away
• Sir John Lawes School

  2.7 km away

• Harpenden

  |

  2.7 km away
• Luton Airport Parkway

  |

  4.8 km away
• Luton

  |

  6.1 km away

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