HM Land Registry records the plot of land for 18, Kinsbourne Close, Harpenden as measuring 346 m².

That makes it the 13th largest plot in the postcode, where 22 of the 27 other houses have recorded plot data.

18, Kinsbourne Close, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 26 Jan 2009.

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

The most recent sale of 18, Kinsbourne Close, Harpenden completed on 28th August 2009 at £390,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 the property has sold twice.

Values of comparable properties have risen by 117.5% over the period since August 2009.

• Sold Aug 2009£390,000
• Sold Dec 1999£177,000

Since 2008 75 properties similar to 18, 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 29th July 2025, was 355, Luton Road, Harpenden, AL5 3LZ, a freehold house which sold for £775,000.

Read more about house prices in AL5.

• Sold Jul 2025£775,000 | 3 Bed House355, Luton Road, Harpenden, AL5 3LZ355, Luton Road, Harpenden, AL5 3LZ
• Sold Apr 2025£15,000 | 3 Bed House347, Luton Road, Harpenden, AL5 3LZ347, Luton Road, Harpenden, AL5 3LZ
• Sold Jan 2025£680,000 | 3 Bed House41, Carpenders Close, Harpenden, AL5 3HN41, Carpenders Close, Harpenden, AL5 3HN
• Sold Jan 2025£650,000 | 3 Bed House35, Vale Close, Harpenden, AL5 3LX35, Vale Close, Harpenden, AL5 3LX
• Sold Apr 2024£560,000 | 3 Bed House33, Vale Close, Harpenden, AL5 3LX33, Vale Close, Harpenden, AL5 3LX
• Sold Jan 2024£625,000 | 3 Bed House30, Shepherds Way, Harpenden, AL5 3HF30, Shepherds Way, Harpenden, AL5 3HF
• Sold Dec 2023£640,000 | 3 Bed House20, Kinsbourne Close, Harpenden, AL5 3PB20, Kinsbourne Close, Harpenden, AL5 3PB
• Sold Oct 2023£605,000 | 3 Bed House51, Vale Close, Harpenden, AL5 3LX51, Vale Close, Harpenden, AL5 3LX
• Sold Mar 2021£805,000 | 3 Bed House21, Kinsbourne Close, Harpenden, AL5 3PB21, Kinsbourne Close, Harpenden, AL5 3PB
• Sold Mar 2021£560,000 | 3 Bed House14, Vale Close, Harpenden, AL5 3LX14, Vale Close, Harpenden, AL5 3LX
• Sold Feb 2021£582,500 | 3 Bed House21, Greatfield Close, Harpenden, AL5 3HP21, Greatfield Close, Harpenden, AL5 3HP
• Sold Nov 2020£545,000 | 3 Bed House61, Tuffnells Way, Harpenden, AL5 3HA61, Tuffnells Way, Harpenden, AL5 3HA
• Sold Nov 2019£475,000 | 3 Bed House57, Vale Close, Harpenden, AL5 3LX57, Vale Close, Harpenden, AL5 3LX
• Sold Nov 2018£545,500 | 3 Bed House39, Vale Close, Harpenden, AL5 3LX39, Vale Close, Harpenden, AL5 3LX
• Sold May 2018£6,250 | 3 Bed House28, Vale Close, Harpenden, AL5 3LX28, Vale Close, Harpenden, AL5 3LX
• Sold Sep 2017£625,000 | 3 Bed House30, The Close, Harpenden, AL5 3NB30, The Close, Harpenden, AL5 3NB
• Sold Sep 2015£540,000 | 3 Bed House21, Vale Close, Harpenden, AL5 3LX21, Vale Close, Harpenden, AL5 3LX
• Sold Mar 2015£530,000 | 3 Bed House7, Vale Close, Harpenden, AL5 3LX7, Vale Close, Harpenden, AL5 3LX
• Sold Jun 2012£440,000 | 3 Bed House9, Shepherds Way, Harpenden, AL5 3HF9, Shepherds Way, Harpenden, AL5 3HF
• Sold Oct 2008£320,000 | 3 Bed House28, Shepherds Way, Harpenden, AL5 3HF28, Shepherds Way, Harpenden, AL5 3HF

Of the 29 addresses on Kinsbourne Close, Harpenden, AL5, 18, Kinsbourne Close, Harpenden comes out as the 26th largest and the 26th most expensive in our analysis of the public data.

It is also £316k 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.