9, Ennis Close, Harpenden occupies a 167 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 20th largest.

9, Ennis Close, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 20 Aug 2012.

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

9, Ennis Close, Harpenden last changed hands on 13th November 2020, selling for £425,000. 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 risen by 29.7% since November 2020.

• Sold Nov 2020£425,000
• Sold Apr 2013£304,000
• Sold Aug 2011£290,000

Land Registry records and our Estate Agent network show 199 sales of comparable properties within 860 metres of 9, Ennis Close, Harpenden since 2016.

Most recently, 6, Broadstone Road, Harpenden, AL5 1RG, a freehold house, sold at £625,000 on the 4th November 2025.

Read more about house prices in AL5.

• Sold Nov 2025£625,000 | 3 Bed House6, Broadstone Road, Harpenden, AL5 1RG6, Broadstone Road, Harpenden, AL5 1RG
• Sold Sep 2025£565,000 | 3 Bed House15, Ravenscroft, Harpenden, AL5 1ST15, Ravenscroft, Harpenden, AL5 1ST
• Sold Feb 2025£565,000 | 3 Bed House13, Ravenscroft, Harpenden, AL5 1ST13, Ravenscroft, Harpenden, AL5 1ST
• Sold Nov 2024£535,000 | 3 Bed House24, Broadstone Road, Harpenden, AL5 1RG24, Broadstone Road, Harpenden, AL5 1RG
• Sold Oct 2024£635,000 | 3 Bed House25, Ranleigh Walk, Harpenden, AL5 1SR25, Ranleigh Walk, Harpenden, AL5 1SR
• Sold Oct 2024£680,000 | 3 Bed House22, Barrons Row, Harpenden, AL5 1SD22, Barrons Row, Harpenden, AL5 1SD
• Sold Oct 2024£675,000 | 3 Bed House18, Newton Close, Harpenden, AL5 1SP18, Newton Close, Harpenden, AL5 1SP
• Sold Jul 2024£690,000 | 3 Bed House34, Ranleigh Walk, Harpenden, AL5 1SR34, Ranleigh Walk, Harpenden, AL5 1SR
• Sold May 2024£595,000 | 3 Bed House21, Eastcote Drive, Harpenden, AL5 1SE21, Eastcote Drive, Harpenden, AL5 1SE
• Sold Mar 2024£600,000 | 3 Bed House15, Ennis Close, Harpenden, AL5 1SS15, Ennis Close, Harpenden, AL5 1SS
• Sold Nov 2023£420,000 | 3 Bed House7, Ravenscroft, Harpenden, AL5 1ST7, Ravenscroft, Harpenden, AL5 1ST
• Sold Sep 2023£545,000 | 3 Bed House12, Pendennis Court, Harpenden, AL5 1SG12, Pendennis Court, Harpenden, AL5 1SG
• Sold Aug 2023£514,000 | 3 Bed House159, Grove Road, Harpenden, AL5 1SY159, Grove Road, Harpenden, AL5 1SY
• Sold Oct 2022£535,000 | 3 Bed House3, Ennis Close, Harpenden, AL5 1SS3, Ennis Close, Harpenden, AL5 1SS
• Sold Dec 2021£680,000 | 3 Bed House21, Ennis Close, Harpenden, AL5 1SS21, Ennis Close, Harpenden, AL5 1SS
• Sold Aug 2021£470,000 | 3 Bed House4, Ennis Close, Harpenden, AL5 1SS4, Ennis Close, Harpenden, AL5 1SS
• Sold Oct 2020£462,500 | 3 Bed House5, Ennis Close, Harpenden, AL5 1SS5, Ennis Close, Harpenden, AL5 1SS
• Sold Sep 2018£505,000 | 3 Bed House1, Tiverton Court, Harpenden, AL5 1SU1, Tiverton Court, Harpenden, AL5 1SU
• Sold Jul 2018£525,000 | 3 Bed House18, Ennis Close, Harpenden, AL5 1SS18, Ennis Close, Harpenden, AL5 1SS
• Sold Nov 2016£465,000 | 3 Bed House9, Tiverton Court, Harpenden, AL5 1SU9, Tiverton Court, Harpenden, AL5 1SU

Our analysis of the public data ranks 9, Ennis Close, Harpenden as the 23rd largest and the 22nd most expensive of the 25 addresses on Ennis Close, Harpenden, AL5.

Against the AL5 postcode district average, it is £389k 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.