21A, Kinsbourne Close, Harpenden has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 26 Jun 2020.

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

According to HM Land Registry, 21A, Kinsbourne Close, Harpenden was last sold on 24th July 2020 for £415,000 and was recorded as a leasehold flat.

The property has had 2 sales since 1995.

Since July 2020, the market for similar properties has dropped by 10.6%.

• Sold Jul 2020£415,000
• Sold Apr 2013£307,500

According to the Land Registry and our network of Estate Agents, there have been 16 sales of properties similar to 21A, Kinsbourne Close, Harpenden within a radius of 1.6 kilometres since 2007.

The most recent example is 1 Kennesbourne Court, Tuffnells Way, Harpenden, AL5 3HT, a leasehold flat which sold for £385,000 on the 19th September 2025.

Read more about house prices in AL5.

• Sold Sep 2025£385,000 | 2 Bed Flat1 Kennesbourne Court, Tuffnells Way, Harpenden, AL5 3HT1 Kennesbourne Court, Tuffnells Way, Harpenden, AL5 3HT
• Sold May 2024£435,000 | 2 Bed Flat2 Kennesbourne Court, Tuffnells Way, Harpenden, AL5 3HT2 Kennesbourne Court, Tuffnells Way, Harpenden, AL5 3HT
• Sold Nov 2023£290,000 | 2 Bed FlatApartment 12, Roundwood Court, Roundwood Lane, Harpenden, AL5 3BJApartment 12, Roundwood Court, Roundwood Lane, Harpenden, AL5 3BJ
• Sold Dec 2020£396,950 | 3 Bed FlatApartment 4, Roundwood Court, Roundwood Lane, Harpenden, AL5 3BJApartment 4, Roundwood Court, Roundwood Lane, Harpenden, AL5 3BJ
• Sold Aug 2019£385,000 | 3 Bed FlatApartment 7, Roundwood Court, Roundwood Lane, Harpenden, AL5 3BJApartment 7, Roundwood Court, Roundwood Lane, Harpenden, AL5 3BJ
• Sold Oct 2018£435,000 | 3 Bed Flat18, Park Mount, Harpenden, AL5 3AR18, Park Mount, Harpenden, AL5 3AR
• Sold May 2017£383,000 | 2 Bed FlatApartment 1, Roundwood Court, Roundwood Lane, Harpenden, AL5 3BJApartment 1, Roundwood Court, Roundwood Lane, Harpenden, AL5 3BJ
• Sold Mar 2016£370,000 | 3 Bed FlatApartment 3, Roundwood Court, Roundwood Lane, Harpenden, AL5 3BJApartment 3, Roundwood Court, Roundwood Lane, Harpenden, AL5 3BJ
• Sold Nov 2015£398,000 | 3 Bed FlatApartment 8, Roundwood Court, Roundwood Lane, Harpenden, AL5 3BJApartment 8, Roundwood Court, Roundwood Lane, Harpenden, AL5 3BJ
• Sold Oct 2015£360,000 | 2 Bed Flat6 Kennesbourne Court, Tuffnells Way, Harpenden, AL5 3HT6 Kennesbourne Court, Tuffnells Way, Harpenden, AL5 3HT
• Sold Mar 2015£890,000 | 2 Bed Flat1A, The Close, Harpenden, AL5 3NB1A, The Close, Harpenden, AL5 3NB
• Sold May 2014£292,500 | 2 Bed FlatApartment 2, Roundwood Court, Roundwood Lane, Harpenden, AL5 3BJApartment 2, Roundwood Court, Roundwood Lane, Harpenden, AL5 3BJ
• Sold Sep 2013£280,000 | 2 Bed Flat21B, Kinsbourne Close, Harpenden, AL5 3PB21B, Kinsbourne Close, Harpenden, AL5 3PB
• Sold Sep 2011£310,000 | 3 Bed FlatApartment 10, Roundwood Court, Roundwood Lane, Harpenden, AL5 3BJApartment 10, Roundwood Court, Roundwood Lane, Harpenden, AL5 3BJ
• Sold Jun 2007£232,000 | 2 Bed Flat77, Luton Road, Harpenden, AL5 3BA77, Luton Road, Harpenden, AL5 3BA
• Sold Jun 2007£249,950 | 2 Bed FlatApartment 6, Roundwood Court, Roundwood Lane, Harpenden, AL5 3BJApartment 6, Roundwood Court, Roundwood Lane, Harpenden, AL5 3BJ

Kinsbourne Close, Harpenden, AL5 has a total of 29 addresses. According to our analysis of all the public data, 21A, Kinsbourne Close, Harpenden is the 28th largest and the 29th most expensive property on the street.

When compared to the postcode district it is £548k less expensive than the average property in AL5.

• Wood End School

  500 m away
• Roundwood Primary School

  1.5 km away
• The Lea Primary School and Nursery

  2.1 km away

• Roundwood Park School

  1.4 km away
• St George's School

  2.3 km away
• Sir John Lawes School

  2.8 km away

• Harpenden

  |

  2.8 km away
• Luton Airport Parkway

  |

  4.7 km away
• Luton

  |

  6.1 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.