17, Ennis Close, Harpenden occupies a 253 m² plot as recorded by HM Land Registry.

All 25 other houses in this postcode have recorded plot sizes, and this one ranks as the 7th largest.

17, Ennis Close, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 20 May 2015.

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

17, Ennis Close, Harpenden last changed hands on 11th January 2016, selling for £500,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold 3 times since 1995.

The market for similar properties has risen by 68.7% since January 2016.

• Sold Jan 2016£500,000
• Sold Jun 2007£325,000
• Sold Jun 2000£189,950

Land Registry records and our Estate Agent network show 178 sales of comparable properties within 870 metres of 17, Ennis Close, Harpenden since 2015.

Most recently, 4, Ravenscroft, Harpenden, AL5 1ST, a freehold house, sold at £610,000 on the 12th January 2026.

Read more about house prices in AL5.

• Sold Jan 2026£610,000 | 3 Bed House4, Ravenscroft, Harpenden, AL5 1ST4, Ravenscroft, Harpenden, AL5 1ST
• Sold Dec 2025£760,000 | 4 Bed House35, Welbeck Rise, Harpenden, AL5 1RT35, Welbeck Rise, Harpenden, AL5 1RT
• Sold Nov 2025£800,000 | 3 Bed House4, Acacia Walk, Harpenden, AL5 1SH4, Acacia Walk, Harpenden, AL5 1SH
• Sold Mar 2025£765,000 | 4 Bed House5, Newton Close, Harpenden, AL5 1SP5, Newton Close, Harpenden, AL5 1SP
• Sold Feb 2025£635,000 | 4 Bed House15, Pendennis Court, Harpenden, AL5 1SG15, Pendennis Court, Harpenden, AL5 1SG
• Sold Feb 2025£815,000 | 4 Bed House6, Aran Close, Harpenden, AL5 1SW6, Aran Close, Harpenden, AL5 1SW
• Sold Aug 2024£626,600 | 4 Bed House15, Burnsall Place, Harpenden, AL5 1RS15, Burnsall Place, Harpenden, AL5 1RS
• Sold Aug 2024£595,000 | 4 Bed House1, Barrons Row, Harpenden, AL5 1SD1, Barrons Row, Harpenden, AL5 1SD
• Sold Jul 2024£625,000 | 3 Bed House15, Tiverton Court, Harpenden, AL5 1SU15, Tiverton Court, Harpenden, AL5 1SU
• Sold Apr 2024£720,000 | 3 Bed House9, Hawthorn Close, Harpenden, AL5 1HN9, Hawthorn Close, Harpenden, AL5 1HN
• Sold Dec 2023£695,000 | 3 Bed House45, Eastcote Drive, Harpenden, AL5 1SE45, Eastcote Drive, Harpenden, AL5 1SE
• Sold Dec 2023£640,000 | 3 Bed House3, Barrons Row, Harpenden, AL5 1SD3, Barrons Row, Harpenden, AL5 1SD
• Sold Jun 2023£755,000 | 4 Bed House23, Welbeck Rise, Harpenden, AL5 1RT23, Welbeck Rise, Harpenden, AL5 1RT
• Sold Feb 2022£660,000 | 3 Bed House10, Barrons Row, Harpenden, AL5 1SD10, Barrons Row, Harpenden, AL5 1SD
• Sold May 2021£595,000 | 3 Bed House17, Eastcote Drive, Harpenden, AL5 1SE17, Eastcote Drive, Harpenden, AL5 1SE
• Sold Sep 2019£475,000 | 3 Bed House19, Tiverton Court, Harpenden, AL5 1SU19, Tiverton Court, Harpenden, AL5 1SU
• Sold Apr 2019£600,000 | 4 Bed House19, Newton Close, Harpenden, AL5 1SP19, Newton Close, Harpenden, AL5 1SP
• Sold Aug 2017£610,000 | 4 Bed House29, Ranleigh Walk, Harpenden, AL5 1SR29, Ranleigh Walk, Harpenden, AL5 1SR
• Sold Sep 2016£650,000 | 4 Bed House11, Newton Close, Harpenden, AL5 1SP11, Newton Close, Harpenden, AL5 1SP
• Sold Mar 2015£550,000 | 4 Bed House32, Ranleigh Walk, Harpenden, AL5 1SR32, Ranleigh Walk, Harpenden, AL5 1SR

Our analysis of the public data ranks 17, Ennis Close, Harpenden as the 2nd largest and the 2nd most expensive of the 25 addresses on Ennis Close, Harpenden, AL5.

Against the AL5 postcode district average, it is £271k less expensive than the typical property.

• The Grove Infant and Nursery School

  600 m away
• The Grove Junior School

  700 m away
• High Beeches Primary School

  1.2 km away

• Katherine Warington School

  2.3 km away
• Sir John Lawes School

  2.4 km away
• St George's School

  2.6 km away

• Harpenden

  |

  1.9 km away
• St Albans City

  |

  5.8 km away
• St Albans Abbey

  |

  6.5 km away

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