Flat 4, 42, West Common, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 12 Nov 2025.

The property is connected to mains gas and has mostly double glazing. It is heated using a boiler and radiators (mains gas, boiler and underfloor heating, mains gas).

The most recent sale of Flat 4, 42, West Common, Harpenden completed on 11th January 2019 at £552,000 and was recorded by HM Land Registry as a leasehold flat.

Since 1995 the property has sold 4 times.

Values of comparable properties have dropped by 43.1% over the period since January 2019.

• Sold Jan 2019£552,000
• Sold Sep 2007£552,500
• Sold Jul 1998£185,000

Since 2012 27 properties similar to Flat 4, 42, West Common, Harpenden have sold within a radius of 970 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 27th June 2025, was Flat 38, 23A, Leyton Road, Harpenden, AL5 2FH, a leasehold flat which sold for £765,137.

Read more about house prices in AL5.

• Sold Jun 2025£765,137 | 3 Bed FlatFlat 38, 23A, Leyton Road, Harpenden, AL5 2FHFlat 38, 23A, Leyton Road, Harpenden, AL5 2FH
• Sold Mar 2025£820,000 | 3 Bed FlatFlat 16, 23A, Leyton Road, Harpenden, AL5 2FHFlat 16, 23A, Leyton Road, Harpenden, AL5 2FH
• Sold Apr 2024£675,000 | 3 Bed Flat3, Amenbury Court, Harpenden, AL5 2BU3, Amenbury Court, Harpenden, AL5 2BU
• Sold Mar 2023£950,000 | 3 Bed FlatFlat 17, 23A, Leyton Road, Harpenden, AL5 2FHFlat 17, 23A, Leyton Road, Harpenden, AL5 2FH
• Sold Mar 2023£991,475 | 3 Bed FlatFlat 5, 23A, Leyton Road, Harpenden, AL5 2FHFlat 5, 23A, Leyton Road, Harpenden, AL5 2FH
• Sold Feb 2023£924,750 | 3 Bed FlatFlat 6, 23A, Leyton Road, Harpenden, AL5 2FHFlat 6, 23A, Leyton Road, Harpenden, AL5 2FH
• Sold Jun 2022£835,000 | 3 Bed Flat15, Sir Josephs Walk, Harpenden, AL5 2DT15, Sir Josephs Walk, Harpenden, AL5 2DT
• Sold Jun 2022£722,500 | 3 Bed FlatFlat 5, Bennets Lodge 21A, Leyton Road, Harpenden, AL5 2HUFlat 5, Bennets Lodge 21A, Leyton Road, Harpenden, AL5 2HU
• Sold Dec 2021£725,000 | 3 Bed Flat13, Sir Josephs Walk, Harpenden, AL5 2DT13, Sir Josephs Walk, Harpenden, AL5 2DT
• Sold Jun 2021£877,700 | 3 Bed FlatFlat 4, Sandridge House 4, Gibbs Close, Harpenden, AL5 1FAFlat 4, Sandridge House 4, Gibbs Close, Harpenden, AL5 1FA
• Sold Jun 2021£740,000 | 3 Bed FlatFlat 3, Sandridge House 4, Gibbs Close, Harpenden, AL5 1FAFlat 3, Sandridge House 4, Gibbs Close, Harpenden, AL5 1FA
• Sold May 2021£675,000 | 3 Bed Flat11, Sir Josephs Walk, Harpenden, AL5 2DT11, Sir Josephs Walk, Harpenden, AL5 2DT
• Sold Apr 2021£799,000 | 3 Bed FlatFlat 7, Sandridge House 4, Gibbs Close, Harpenden, AL5 1FAFlat 7, Sandridge House 4, Gibbs Close, Harpenden, AL5 1FA
• Sold Mar 2021£750,000 | 3 Bed FlatFlat 6, Sandridge House 4, Gibbs Close, Harpenden, AL5 1FAFlat 6, Sandridge House 4, Gibbs Close, Harpenden, AL5 1FA
• Sold Jul 2020£850,000 | 3 Bed FlatFlat 16, Sandridge House 4, Gibbs Close, Harpenden, AL5 1FAFlat 16, Sandridge House 4, Gibbs Close, Harpenden, AL5 1FA
• Sold Mar 2020£595,000 | 3 Bed Flat2, Amenbury Court, Harpenden, AL5 2BU2, Amenbury Court, Harpenden, AL5 2BU
• Sold Nov 2019£1,100,000 | 3 Bed FlatFlat 37, 23A, Leyton Road, Harpenden, AL5 2FHFlat 37, 23A, Leyton Road, Harpenden, AL5 2FH
• Sold Jul 2018£650,000 | 3 Bed FlatFlat 4, Old Post House 20, Arden Grove, Harpenden, AL5 4SJFlat 4, Old Post House 20, Arden Grove, Harpenden, AL5 4SJ
• Sold Sep 2014£825,000 | 3 Bed FlatFlat 5, Old Post House 20, Arden Grove, Harpenden, AL5 4SJFlat 5, Old Post House 20, Arden Grove, Harpenden, AL5 4SJ
• Sold Oct 2012£650,000 | 3 Bed FlatFlat 10, Bennets Lodge 21A, Leyton Road, Harpenden, AL5 2HUFlat 10, Bennets Lodge 21A, Leyton Road, Harpenden, AL5 2HU

Of the 135 addresses on West Common, Harpenden, AL5, Flat 4, 42, West Common, Harpenden comes out as the 75th largest and the 47th most expensive in our analysis of the public data.

It is also £143k less expensive than the average property across the AL5 district.

• St Dominic Catholic Primary School

  700 m away
• Harpenden Academy

  1.1 km away
• The Grove Junior School

  1.2 km away

• St George's School

  1.9 km away
• Sir John Lawes School

  2.0 km away
• Roundwood Park School

  2.0 km away

• Harpenden

  |

  1.0 km away
• St Albans City

  |

  6.4 km away
• St Albans Abbey

  |

  6.8 km away

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