HM Land Registry records the plot of land for 1A, Kinsbourne Close, Harpenden as measuring 239 m².

That makes it the 22nd largest plot in the postcode, where 22 of the 27 other houses have recorded plot data.

1A, Kinsbourne Close, Harpenden has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 20 Jul 2020.

The property is not connected to mains gas and has high performance glazing. It is heated using a boiler and underfloor heating (mains gas).

The most recent sale of 1A, Kinsbourne Close, Harpenden completed on 28th August 2020 at £735,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 this is the property's only sale.

Values of comparable properties have risen by 35.9% over the period since August 2020.

• Sold Aug 2020£735,000

Since 2012 178 properties similar to 1A, Kinsbourne Close, Harpenden have sold within a radius of 1.6 kilometres, per the Land Registry and our network of Estate Agents.

The latest, on the 9th January 2026, was 22, Kinsbourne Close, Harpenden, AL5 3PB, a freehold house which sold for £915,000.

Read more about house prices in AL5.

• Sold Jan 2026£915,000 | 4 Bed House22, Kinsbourne Close, Harpenden, AL5 3PB22, Kinsbourne Close, Harpenden, AL5 3PB
• Sold Dec 2025£850,000 | 4 Bed House2, Kinsbourne Close, Harpenden, AL5 3PB2, Kinsbourne Close, Harpenden, AL5 3PB
• Sold Sep 2025£995,000 | 4 Bed House54, Carpenders Close, Harpenden, AL5 3HN54, Carpenders Close, Harpenden, AL5 3HN
• Sold Mar 2025£940,000 | 4 Bed House24, Tintern Close, Harpenden, AL5 3NZ24, Tintern Close, Harpenden, AL5 3NZ
• Sold Feb 2025£687,500 | 4 Bed House16, Kinsbourne Close, Harpenden, AL5 3PB16, Kinsbourne Close, Harpenden, AL5 3PB
• Sold Feb 2024£850,000 | 4 Bed House19, Derwent Road, Harpenden, AL5 3PA19, Derwent Road, Harpenden, AL5 3PA
• Sold Jan 2024£690,000 | 4 Bed House18, Tintern Close, Harpenden, AL5 3NZ18, Tintern Close, Harpenden, AL5 3NZ
• Sold Nov 2023£975,000 | 4 Bed House63, Derwent Road, Harpenden, AL5 3NY63, Derwent Road, Harpenden, AL5 3NY
• Sold Jun 2023£860,000 | 4 Bed House92B, Tuffnells Way, Harpenden, AL5 3HW92B, Tuffnells Way, Harpenden, AL5 3HW
• Sold May 2023£835,000 | 4 Bed House1B, Kinsbourne Close, Harpenden, AL5 3PB1B, Kinsbourne Close, Harpenden, AL5 3PB
• Sold Feb 2023£725,000 | 4 Bed House33, Carpenders Close, Harpenden, AL5 3HN33, Carpenders Close, Harpenden, AL5 3HN
• Sold Jun 2022£910,550 | 4 Bed House46, Shepherds Way, Harpenden, AL5 3HF46, Shepherds Way, Harpenden, AL5 3HF
• Sold Apr 2022£875,500 | 4 Bed House1, Tintern Close, Harpenden, AL5 3NZ1, Tintern Close, Harpenden, AL5 3NZ
• Sold Jan 2022£950,000 | 4 Bed House38, The Close, Harpenden, AL5 3NB38, The Close, Harpenden, AL5 3NB
• Sold Aug 2020£737,667 | 4 Bed House17, Crosspaths, Harpenden, AL5 3HE17, Crosspaths, Harpenden, AL5 3HE
• Sold Oct 2019£815,000 | 4 Bed House74, Derwent Road, Harpenden, AL5 3NX74, Derwent Road, Harpenden, AL5 3NX
• Sold Jul 2019£675,000 | 4 Bed House53, Derwent Road, Harpenden, AL5 3NY53, Derwent Road, Harpenden, AL5 3NY
• Sold Apr 2019£550,000 | 4 Bed House15, Kinsbourne Close, Harpenden, AL5 3PB15, Kinsbourne Close, Harpenden, AL5 3PB
• Sold Mar 2015£730,000 | 4 Bed House65, Derwent Road, Harpenden, AL5 3NY65, Derwent Road, Harpenden, AL5 3NY
• Sold Oct 2012£550,000 | 4 Bed House3, Kinsbourne Close, Harpenden, AL5 3PB3, Kinsbourne Close, Harpenden, AL5 3PB

Of the 29 addresses on Kinsbourne Close, Harpenden, AL5, 1A, Kinsbourne Close, Harpenden comes out as the 7th largest and the 8th most expensive in our analysis of the public data.

It is also £80k less expensive than the average property across the AL5 district.

• 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

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