HM Land Registry records the plot of land for 66, West Common, Harpenden as measuring 433 m².

That makes it the 14th largest plot in the postcode, where 17 of the 18 other houses have recorded plot data.

66, West Common, Harpenden has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 15 Apr 2025.

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 66, West Common, Harpenden completed on 10th August 2015 at £583,000 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 5.1% over the period since August 2015.

• Sold Aug 2015£583,000
• Sold Mar 2002£235,000
• Sold Oct 1997£135,000

Since 2016 69 properties similar to 66, West Common, Harpenden have sold within a radius of 1.1 kilometres, per the Land Registry and our network of Estate Agents.

The latest, on the 4th February 2026, was 134, Eastmoor Park, Harpenden, AL5 1BP, a freehold house which sold for £940,000.

Read more about house prices in AL5.

• Sold Feb 2026£940,000 | 4 Bed House134, Eastmoor Park, Harpenden, AL5 1BP134, Eastmoor Park, Harpenden, AL5 1BP
• Sold Sep 2025£935,000 | 3 Bed House3, Sir Josephs Walk, Harpenden, AL5 2DT3, Sir Josephs Walk, Harpenden, AL5 2DT
• Sold Aug 2025£740,000 | 4 Bed House2, Walkers Close, Harpenden, AL5 1QJ2, Walkers Close, Harpenden, AL5 1QJ
• Sold Aug 2025£955,000 | 4 Bed House144, Cravells Road, Harpenden, AL5 1BQ144, Cravells Road, Harpenden, AL5 1BQ
• Sold Apr 2024£900,000 | 4 Bed House9, Gorselands, Harpenden, AL5 1QY9, Gorselands, Harpenden, AL5 1QY
• Sold Feb 2024£840,000 | 4 Bed House20, Sir Josephs Walk, Harpenden, AL5 2DT20, Sir Josephs Walk, Harpenden, AL5 2DT
• Sold May 2023£844,950 | 4 Bed House14, Gorselands, Harpenden, AL5 1QY14, Gorselands, Harpenden, AL5 1QY
• Sold Mar 2023£1,033,500 | 4 Bed House98, Cravells Road, Harpenden, AL5 1BQ98, Cravells Road, Harpenden, AL5 1BQ
• Sold Mar 2023£950,000 | 4 Bed House2, St. Johns Road, Harpenden, AL5 1DJ2, St. Johns Road, Harpenden, AL5 1DJ
• Sold Mar 2022£985,000 | 4 Bed HouseBroom Cottage, West Common Grove, Harpenden, AL5 2LEBroom Cottage, West Common Grove, Harpenden, AL5 2LE
• Sold Feb 2022£740,000 | 4 Bed House73, Coleswood Road, Harpenden, AL5 1EG73, Coleswood Road, Harpenden, AL5 1EG
• Sold Sep 2021£745,000 | 4 Bed House140, Cravells Road, Harpenden, AL5 1BQ140, Cravells Road, Harpenden, AL5 1BQ
• Sold Jul 2021£685,000 | 3 Bed House73, Cravells Road, Harpenden, AL5 1BH73, Cravells Road, Harpenden, AL5 1BH
• Sold Jun 2021£870,000 | 4 Bed House6 Maple Cottages, West Common, Harpenden, AL5 2AS6 Maple Cottages, West Common, Harpenden, AL5 2AS
• Sold Aug 2020£585,000 | 4 Bed House78A, Eastmoor Park, Harpenden, AL5 1BP78A, Eastmoor Park, Harpenden, AL5 1BP
• Sold Jan 2020£850,000 | 4 Bed House3, St. Johns Road, Harpenden, AL5 1DJ3, St. Johns Road, Harpenden, AL5 1DJ
• Sold Nov 2019£800,000 | 4 Bed House15, Manor Close, Harpenden, AL5 2GT15, Manor Close, Harpenden, AL5 2GT
• Sold Apr 2019£700,000 | 4 Bed House12, Gorselands, Harpenden, AL5 1QY12, Gorselands, Harpenden, AL5 1QY
• Sold Apr 2019£675,000 | 4 Bed House90, Cravells Road, Harpenden, AL5 1BG90, Cravells Road, Harpenden, AL5 1BG
• Sold Dec 2016£850,000 | 3 Bed House38, West Common, Harpenden, AL5 2JN38, West Common, Harpenden, AL5 2JN

Of the 135 addresses on West Common, Harpenden, AL5, 66, West Common, Harpenden comes out as the 76th largest and the 41st most expensive in our analysis of the public data.

It is also £56k less expensive than the average property across the AL5 district.

• St Dominic Catholic Primary School

  1.1 km away
• The Grove Junior School

  1.3 km away
• The Grove Infant and Nursery School

  1.4 km away

• St George's School

  2.3 km away
• Roundwood Park School

  2.4 km away
• Sir John Lawes School

  2.4 km away

• Harpenden

  |

  1.4 km away
• St Albans City

  |

  6.0 km away
• St Albans Abbey

  |

  6.4 km away

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