20, Heath Close, Harpenden has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 11 May 2026.

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

Since 2007 23 properties similar to 20, Heath Close, Harpenden have sold within a radius of 690 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 9th April 2026, was 1, Cosne Mews, Harpenden, AL5 1DP, a freehold house which sold for £395,000.

Read more about house prices in AL5.

• Sold Apr 2026£395,000 | 2 Bed House1, Cosne Mews, Harpenden, AL5 1DP1, Cosne Mews, Harpenden, AL5 1DP
• Sold Oct 2024£495,000 | 2 Bed House19, Grove Road, Harpenden, AL5 1QG19, Grove Road, Harpenden, AL5 1QG
• Sold May 2024£435,000 | 2 Bed House2, St. Albans Road, Harpenden, AL5 2JF2, St. Albans Road, Harpenden, AL5 2JF
• Sold Nov 2023£345,000 | 2 Bed House3, The Chennies, Harpenden, AL5 1AS3, The Chennies, Harpenden, AL5 1AS
• Sold Apr 2023£520,000 | 3 Bed House10, Vallance Place, Harpenden, AL5 1AX10, Vallance Place, Harpenden, AL5 1AX
• Sold Jun 2022£470,000 | 3 Bed House3, Nightingale Mews 37, Leyton Road, Harpenden, AL5 2JB3, Nightingale Mews 37, Leyton Road, Harpenden, AL5 2JB
• Sold Apr 2022£415,000 | 2 Bed House78, Cravells Road, Harpenden, AL5 1BD78, Cravells Road, Harpenden, AL5 1BD
• Sold Jan 2022£465,000 | 2 Bed House70, Cravells Road, Harpenden, AL5 1BD70, Cravells Road, Harpenden, AL5 1BD
• Sold Feb 2021£339,000 | 2 Bed House13, Loire Mews, Harpenden, AL5 1DR13, Loire Mews, Harpenden, AL5 1DR
• Sold Sep 2020£430,000 | 3 Bed House5, Vallance Place, Harpenden, AL5 1AX5, Vallance Place, Harpenden, AL5 1AX
• Sold Dec 2018£330,000 | 2 Bed House1, The Chennies, Harpenden, AL5 1AS1, The Chennies, Harpenden, AL5 1AS
• Sold Nov 2018£344,000 | 2 Bed House6, Loire Mews, Harpenden, AL5 1DR6, Loire Mews, Harpenden, AL5 1DR
• Sold Jun 2018£405,000 | 2 Bed House12, Cosne Mews, Harpenden, AL5 1DP12, Cosne Mews, Harpenden, AL5 1DP
• Sold Feb 2018£385,000 | 2 Bed House2, Cosne Mews, Harpenden, AL5 1DP2, Cosne Mews, Harpenden, AL5 1DP
• Sold Feb 2012£285,000 | 2 Bed House33A, Grove Road, Harpenden, AL5 1QG33A, Grove Road, Harpenden, AL5 1QG
• Sold Oct 2011£300,000 | 3 Bed House11, Vallance Place, Harpenden, AL5 1AX11, Vallance Place, Harpenden, AL5 1AX
• Sold Mar 2009£219,950 | 2 Bed House6, Cosne Mews, Harpenden, AL5 1DP6, Cosne Mews, Harpenden, AL5 1DP
• Sold Aug 2007£299,950 | 3 Bed House14, Vallance Place, Harpenden, AL5 1AX14, Vallance Place, Harpenden, AL5 1AX
• Sold May 2007£280,000 | 2 Bed House33, Cravells Road, Harpenden, AL5 1BA33, Cravells Road, Harpenden, AL5 1BA
• Sold Jan 2007£190,000 | 3 Bed House50, Longfield Road, Harpenden, AL5 1QF50, Longfield Road, Harpenden, AL5 1QF

Of the 27 addresses on Heath Close, Harpenden, AL5, 20, Heath Close, Harpenden comes out as the 23rd largest and the 16th most expensive in our analysis of the public data.

It is also £542k less expensive than the average property across the AL5 district.

• St Dominic Catholic Primary School

  500 m away
• The Grove Junior School

  700 m away
• The Grove Infant and Nursery School

  700 m away

• Sir John Lawes School

  1.7 km away
• St George's School

  1.7 km away
• Katherine Warington School

  2.0 km away

• Harpenden

  |

  900 m away
• St Albans City

  |

  6.5 km away
• St Albans Abbey

  |

  7.0 km away

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