1, Garden Close, Harpenden occupies a 2,038 m² plot as recorded by HM Land Registry.

All 4 other houses in this postcode have recorded plot sizes, and this one ranks as the largest.

1, Garden Close, Harpenden has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 05 Jul 2021.

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

1, Garden Close, Harpenden last changed hands on 10th December 2021, selling for £2,725,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold 4 times since 1995.

The market for similar properties has dropped by 22.1% since December 2021.

• Sold Dec 2021£2,725,000
• Sold Sep 2014£1,950,000
• Sold Mar 2010£1,700,000

Land Registry records and our Estate Agent network show 26 sales of comparable properties within 1.5 kilometres of 1, Garden Close, Harpenden since 2011.

Most recently, 19, The Uplands, Harpenden, AL5 2PG, a freehold house, sold at £2,350,000 on the 28th August 2025.

Read more about house prices in AL5.

• Sold Aug 2025£2,350,000 | 5 Bed House19, The Uplands, Harpenden, AL5 2PG19, The Uplands, Harpenden, AL5 2PG
• Sold Aug 2025£1,725,000 | 5 Bed House44, The Uplands, Harpenden, AL5 2NZ44, The Uplands, Harpenden, AL5 2NZ
• Sold Jul 2025£2,500,000 | 5 Bed House9, The Uplands, Harpenden, AL5 2PG9, The Uplands, Harpenden, AL5 2PG
• Sold Feb 2025£2,425,000 | 5 Bed House14, High Elms, Harpenden, AL5 2JU14, High Elms, Harpenden, AL5 2JU
• Sold Mar 2024£3,250,000 | 5 Bed House27, The Uplands, Harpenden, AL5 2PG27, The Uplands, Harpenden, AL5 2PG
• Sold Sep 2023£2,740,000 | 5 Bed House17, The Chowns, Harpenden, AL5 2BN17, The Chowns, Harpenden, AL5 2BN
• Sold Dec 2021£2,185,000 | 5 Bed House1, The Chowns, Harpenden, AL5 2BN1, The Chowns, Harpenden, AL5 2BN
• Sold Dec 2021£2,600,000 | 5 Bed House7, High Elms, Harpenden, AL5 2JU7, High Elms, Harpenden, AL5 2JU
• Sold Nov 2021£2,700,000 | 5 Bed HouseWoodlands, East Common, Harpenden, AL5 1DGWoodlands, East Common, Harpenden, AL5 1DG
• Sold Sep 2021£2,750,000 | 5 Bed House31, Oakfield Road, Harpenden, AL5 2NP31, Oakfield Road, Harpenden, AL5 2NP
• Sold Jun 2021£2,375,000 | 5 Bed House5, Oakhurst Avenue, Harpenden, AL5 2NB5, Oakhurst Avenue, Harpenden, AL5 2NB
• Sold May 2021£2,200,000 | 5 Bed House13, The Warren, Harpenden, AL5 2NH13, The Warren, Harpenden, AL5 2NH
• Sold Feb 2020£2,085,000 | 5 Bed HouseTwin Oaks, Redbourn Lane, Harpenden, AL5 2NATwin Oaks, Redbourn Lane, Harpenden, AL5 2NA
• Sold Oct 2018£1,412,626 | 5 Bed House3, The Warren, Harpenden, AL5 2NH3, The Warren, Harpenden, AL5 2NH
• Sold Oct 2017£1,585,000 | 5 Bed House46, Oakfield Road, Harpenden, AL5 2NS46, Oakfield Road, Harpenden, AL5 2NS
• Sold Jun 2016£1,975,000 | 5 Bed House20, High Elms, Harpenden, AL5 2JU20, High Elms, Harpenden, AL5 2JU
• Sold Oct 2015£1,965,000 | 5 Bed House37, Barlings Road, Harpenden, AL5 2AW37, Barlings Road, Harpenden, AL5 2AW
• Sold Jan 2013£1,478,000 | 5 Bed House48, Oakfield Road, Harpenden, AL5 2NS48, Oakfield Road, Harpenden, AL5 2NS
• Sold Sep 2012£1,585,000 | 5 Bed House50, Oakfield Road, Harpenden, AL5 2NS50, Oakfield Road, Harpenden, AL5 2NS
• Sold Aug 2011£1,900,000 | 5 Bed House39, Barlings Road, Harpenden, AL5 2AW39, Barlings Road, Harpenden, AL5 2AW

Our analysis of the public data ranks 1, Garden Close, Harpenden as the largest and the most expensive of the 4 addresses on Garden Close, Harpenden, AL5.

Against the AL5 postcode district average, it is £1.848m more expensive than the typical property.

• St Dominic Catholic Primary School

  1.6 km away
• The Grove Junior School

  1.8 km away
• The Grove Infant and Nursery School

  1.8 km away

• Roundwood Park School

  2.6 km away
• St George's School

  2.7 km away
• Sir John Lawes School

  2.9 km away

• Harpenden

  |

  1.9 km away
• St Albans City

  |

  5.7 km away
• St Albans Abbey

  |

  6.0 km away

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