HM Land Registry records the plot of land for 19, Ennis Close, Harpenden as measuring 369 m².

That makes it the 2nd largest plot in the postcode, where all 25 other houses have recorded plot data.

19, Ennis Close, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 21 Jan 2020.

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 19, Ennis Close, Harpenden completed on 6th October 2020 at £670,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 the property has sold 3 times.

Values of comparable properties have risen by 53.4% over the period since October 2020.

• Sold Oct 2020£670,000
• Sold Mar 2014£542,000
• Sold Dec 2002£289,950

Since 2014 73 properties similar to 19, Ennis Close, Harpenden have sold within a radius of 870 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 17th February 2026, was 7, Cranbourne Drive, Harpenden, AL5 1RJ, a freehold house which sold for £790,000.

Read more about house prices in AL5.

• Sold Feb 2026£790,000 | 4 Bed House7, Cranbourne Drive, Harpenden, AL5 1RJ7, Cranbourne Drive, Harpenden, AL5 1RJ
• Sold Nov 2025£850,000 | 4 Bed House2, Wensley Close, Harpenden, AL5 1RZ2, Wensley Close, Harpenden, AL5 1RZ
• Sold Sep 2025£820,000 | 4 Bed House54, Grove Avenue, Harpenden, AL5 1HA54, Grove Avenue, Harpenden, AL5 1HA
• Sold Mar 2025£675,000 | 4 Bed House14, St. Michaels Close, Harpenden, AL5 1EW14, St. Michaels Close, Harpenden, AL5 1EW
• Sold Mar 2025£830,000 | 4 Bed House46, Grove Avenue, Harpenden, AL5 1HA46, Grove Avenue, Harpenden, AL5 1HA
• Sold Mar 2025£835,000 | 4 Bed House9, Newton Close, Harpenden, AL5 1SP9, Newton Close, Harpenden, AL5 1SP
• Sold Nov 2024£650,000 | 4 Bed House17D, Grove Avenue, Harpenden, AL5 1EU17D, Grove Avenue, Harpenden, AL5 1EU
• Sold Aug 2024£825,000 | 4 Bed House16, Pipers Avenue, Harpenden, AL5 1HB16, Pipers Avenue, Harpenden, AL5 1HB
• Sold Jul 2024£925,000 | 4 Bed House54, Broadstone Road, Harpenden, AL5 1RF54, Broadstone Road, Harpenden, AL5 1RF
• Sold Jun 2024£835,000 | 4 Bed House19, Ranleigh Walk, Harpenden, AL5 1SR19, Ranleigh Walk, Harpenden, AL5 1SR
• Sold Feb 2024£670,000 | 4 Bed House16, Burnsall Place, Harpenden, AL5 1RS16, Burnsall Place, Harpenden, AL5 1RS
• Sold Aug 2023£765,000 | 4 Bed House16, Hawthorn Close, Harpenden, AL5 1HN16, Hawthorn Close, Harpenden, AL5 1HN
• Sold Jun 2023£830,000 | 4 Bed House20, Newton Close, Harpenden, AL5 1SP20, Newton Close, Harpenden, AL5 1SP
• Sold Jan 2023£841,000 | 4 Bed House2, Ravenscroft, Harpenden, AL5 1ST2, Ravenscroft, Harpenden, AL5 1ST
• Sold Sep 2022£750,000 | 4 Bed House5, Ravenscroft, Harpenden, AL5 1ST5, Ravenscroft, Harpenden, AL5 1ST
• Sold Feb 2022£820,000 | 4 Bed House10, Magna Close, Harpenden, AL5 1RH10, Magna Close, Harpenden, AL5 1RH
• Sold Jun 2021£730,000 | 4 Bed House3, Wensley Close, Harpenden, AL5 1RZ3, Wensley Close, Harpenden, AL5 1RZ
• Sold Jun 2019£622,500 | 4 Bed House10, Knowle Drive, Harpenden, AL5 1RW10, Knowle Drive, Harpenden, AL5 1RW
• Sold Nov 2018£640,000 | 4 Bed House7, Knowle Drive, Harpenden, AL5 1RW7, Knowle Drive, Harpenden, AL5 1RW
• Sold Aug 2014£600,000 | 4 Bed House3, Aran Close, Harpenden, AL5 1SW3, Aran Close, Harpenden, AL5 1SW

Of the 25 addresses on Ennis Close, Harpenden, AL5, 19, Ennis Close, Harpenden comes out as the largest and the most expensive in our analysis of the public data.

It is also £180k less expensive than the average property across the AL5 district.

• 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

The flood risk here is rated Very Low, based on Environment Agency data.