HM Land Registry records the plot of land for 25, Kinsbourne Close, Harpenden as measuring 335 m².

That makes it the 14th largest plot in the postcode, where 22 of the 27 other houses have recorded plot data.

25, Kinsbourne Close, Harpenden has an Energy Performance Rating (EPC) of F. This is based on the most recent assessment, dated 08 Jul 2016.

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 25, Kinsbourne Close, Harpenden completed on 21st August 1998 at £214,950 and was recorded by HM Land Registry as a freehold house.

Since 1995 the property has sold twice.

• Sold Aug 1998£214,950
• Sold Mar 1998£185,000

Since 2007 147 properties similar to 25, Kinsbourne Close, Harpenden have sold within a radius of 1.5 kilometres, per the Land Registry and our network of Estate Agents.

The latest, on the 17th October 2025, was 7, Carpenders Close, Harpenden, AL5 3HN, a freehold house which sold for £1,200,000.

Read more about house prices in AL5.

• Sold Oct 2025£1,200,000 | 5 Bed House7, Carpenders Close, Harpenden, AL5 3HN7, Carpenders Close, Harpenden, AL5 3HN
• Sold Oct 2025£1,095,000 | 5 Bed House1, The Close, Harpenden, AL5 3NB1, The Close, Harpenden, AL5 3NB
• Sold Mar 2025£940,000 | 4 Bed House24, Tintern Close, Harpenden, AL5 3NZ24, Tintern Close, Harpenden, AL5 3NZ
• Sold Jul 2024£1,200,000 | 4 Bed House49, Tuffnells Way, Harpenden, AL5 3HA49, Tuffnells Way, Harpenden, AL5 3HA
• Sold Jun 2024£920,000 | 4 Bed House26, Carpenders Close, Harpenden, AL5 3HN26, Carpenders Close, Harpenden, AL5 3HN
• Sold May 2024£950,000 | 4 Bed House3, Carpenders Close, Harpenden, AL5 3HN3, Carpenders Close, Harpenden, AL5 3HN
• Sold May 2024£912,000 | 4 Bed House24, Derwent Road, Harpenden, AL5 3NU24, Derwent Road, Harpenden, AL5 3NU
• Sold Mar 2024£935,000 | 4 Bed House1, Shepherds Way, Harpenden, AL5 3HF1, Shepherds Way, Harpenden, AL5 3HF
• Sold Feb 2024£1,000,500 | 5 Bed House69, Derwent Road, Harpenden, AL5 3NY69, Derwent Road, Harpenden, AL5 3NY
• Sold Apr 2023£1,125,000 | 4 Bed House32, Carpenders Close, Harpenden, AL5 3HN32, Carpenders Close, Harpenden, AL5 3HN
• Sold Aug 2022£915,000 | 5 Bed House2, Green Lawns Close, Harpenden, AL5 3QD2, Green Lawns Close, Harpenden, AL5 3QD
• Sold Nov 2021£1,000,000 | 4 Bed House10, Carpenders Close, Harpenden, AL5 3HN10, Carpenders Close, Harpenden, AL5 3HN
• Sold Jan 2021£940,000 | 4 Bed House56, Tuffnells Way, Harpenden, AL5 3HG56, Tuffnells Way, Harpenden, AL5 3HG
• Sold Dec 2020£818,000 | 4 Bed House48, Derwent Road, Harpenden, AL5 3NX48, Derwent Road, Harpenden, AL5 3NX
• Sold Mar 2020£890,000 | 4 Bed House15, Crosspaths, Harpenden, AL5 3HB15, Crosspaths, Harpenden, AL5 3HB
• Sold Feb 2020£800,000 | 5 Bed House3, Green Lawns Close, Harpenden, AL5 3QD3, Green Lawns Close, Harpenden, AL5 3QD
• Sold Jul 2019£645,000 | 5 Bed House21, The Pleasance, Harpenden, AL5 3NA21, The Pleasance, Harpenden, AL5 3NA
• Sold Dec 2016£705,000 | 4 Bed House14, Tintern Close, Harpenden, AL5 3NZ14, Tintern Close, Harpenden, AL5 3NZ
• Sold Mar 2011£585,000 | 5 Bed House15, Tintern Close, Harpenden, AL5 3NZ15, Tintern Close, Harpenden, AL5 3NZ
• Sold May 2007£575,000 | 5 Bed House13, Tintern Close, Harpenden, AL5 3NZ13, Tintern Close, Harpenden, AL5 3NZ

Of the 29 addresses on Kinsbourne Close, Harpenden, AL5, 25, Kinsbourne Close, Harpenden comes out as the 2nd largest and the most expensive in our analysis of the public data.

It is also £70k more 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.