18, Farm Close, Harpenden occupies a 195 m² plot as recorded by HM Land Registry.

All 15 other houses in this postcode have recorded plot sizes, and this one ranks as the 14th largest.

18, Farm Close, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 02 Oct 2012.

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

18, Farm Close, Harpenden last changed hands on 13th December 2013, selling for £405,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold 3 times since 1995.

The market for similar properties has risen by 56.6% since December 2013.

• Sold Dec 2013£405,000
• Sold Aug 2000£188,500
• Sold Nov 1997£118,000

Land Registry records and our Estate Agent network show 28 sales of comparable properties within 1.1 kilometres of 18, Farm Close, Harpenden since 2010.

Most recently, 25, Greatfield Close, Harpenden, AL5 3HP, a freehold house, sold at £635,000 on the 18th July 2025.

Read more about house prices in AL5.

• Sold Jul 2025£635,000 | 4 Bed House25, Greatfield Close, Harpenden, AL5 3HP25, Greatfield Close, Harpenden, AL5 3HP
• Sold Jul 2025£750,000 | 4 Bed House1, Wells Close, Harpenden, AL5 3LQ1, Wells Close, Harpenden, AL5 3LQ
• Sold Oct 2024£850,000 | 4 Bed House3, Park Rise Close, Harpenden, AL5 3AW3, Park Rise Close, Harpenden, AL5 3AW
• Sold Sep 2023£600,000 | 4 Bed House6, Wells Close, Harpenden, AL5 3LQ6, Wells Close, Harpenden, AL5 3LQ
• Sold Jun 2023£610,000 | 4 Bed House16, Wells Close, Harpenden, AL5 3LQ16, Wells Close, Harpenden, AL5 3LQ
• Sold May 2022£675,000 | 4 Bed House19, Wells Close, Harpenden, AL5 3LQ19, Wells Close, Harpenden, AL5 3LQ
• Sold Jun 2021£695,000 | 4 Bed House24, Wells Close, Harpenden, AL5 3LQ24, Wells Close, Harpenden, AL5 3LQ
• Sold Jun 2021£575,000 | 4 Bed House16, Vale Close, Harpenden, AL5 3LX16, Vale Close, Harpenden, AL5 3LX
• Sold Nov 2020£620,000 | 4 Bed House15, Greatfield Close, Harpenden, AL5 3HP15, Greatfield Close, Harpenden, AL5 3HP
• Sold Sep 2019£570,000 | 4 Bed House27, Greatfield Close, Harpenden, AL5 3HP27, Greatfield Close, Harpenden, AL5 3HP
• Sold May 2018£487,000 | 3 Bed House32, Shepherds Way, Harpenden, AL5 3HF32, Shepherds Way, Harpenden, AL5 3HF
• Sold Apr 2018£790,000 | 4 Bed House97, Tuffnells Way, Harpenden, AL5 3HR97, Tuffnells Way, Harpenden, AL5 3HR
• Sold Mar 2018£470,000 | 3 Bed House7, Wells Close, Harpenden, AL5 3LQ7, Wells Close, Harpenden, AL5 3LQ
• Sold Aug 2017£732,500 | 4 Bed House83, Tuffnells Way, Harpenden, AL5 3HR83, Tuffnells Way, Harpenden, AL5 3HR
• Sold Aug 2016£537,500 | 4 Bed House25, Wells Close, Harpenden, AL5 3LQ25, Wells Close, Harpenden, AL5 3LQ
• Sold Jan 2016£440,000 | 4 Bed House23, Wells Close, Harpenden, AL5 3LQ23, Wells Close, Harpenden, AL5 3LQ
• Sold Jan 2014£620,000 | 4 Bed House95, Tuffnells Way, Harpenden, AL5 3HR95, Tuffnells Way, Harpenden, AL5 3HR
• Sold Aug 2013£420,000 | 4 Bed House14, Farm Close, Harpenden, AL5 3NH14, Farm Close, Harpenden, AL5 3NH
• Sold Jun 2012£675,000 | 4 Bed House77, Tuffnells Way, Harpenden, AL5 3HR77, Tuffnells Way, Harpenden, AL5 3HR
• Sold Oct 2010£403,000 | 4 Bed House29, Wells Close, Harpenden, AL5 3LQ29, Wells Close, Harpenden, AL5 3LQ

Our analysis of the public data ranks 18, Farm Close, Harpenden as the 2nd largest and the 2nd most expensive of the 15 addresses on Farm Close, Harpenden, AL5.

Against the AL5 postcode district average, it is £338k less expensive than the typical property.

• Wood End School

  300 m away
• Roundwood Primary School

  1.1 km away
• The Lea Primary School and Nursery

  1.7 km away

• Roundwood Park School

  1.0 km away
• St George's School

  1.8 km away
• Sir John Lawes School

  2.3 km away

• Harpenden

  |

  2.4 km away
• Luton Airport Parkway

  |

  5.1 km away
• Luton

  |

  6.5 km away

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