HM Land Registry records the plot of land for 70, West Common, Harpenden as measuring 2,374 m².

That makes it the 8th largest plot in the postcode, where 17 of the 18 other houses have recorded plot data.

70, West Common, Harpenden has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 09 Aug 2021.

The property is connected to mains gas and has high performance glazing. It is heated using a boiler and radiators (mains gas).

The most recent sale of 70, West Common, Harpenden completed on 20th January 2016 at £1,895,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 this is the property's only sale.

Values of comparable properties have dropped by 7.5% over the period since January 2016.

• Sold Jan 2016£1,895,000

Since 2008 1009 properties have sold within 1.1 kilometres of 70, West Common, Harpenden, per the Land Registry and our network of Estate Agents.

The latest, on the 17th September 2025, was 64, West Common, Harpenden, AL5 2LD, a freehold house which sold for £2,540,000.

Read more about house prices in AL5.

• Sold Sep 2025£2,540,000 | 5 Bed House64, West Common, Harpenden, AL5 2LD64, West Common, Harpenden, AL5 2LD
• Sold Jun 2023£1,675,000 | 5 Bed House17, The Warren, Harpenden, AL5 2NH17, The Warren, Harpenden, AL5 2NH
• Sold Feb 2022£2,400,000 | 5 Bed House72, West Common, Harpenden, AL5 2LD72, West Common, Harpenden, AL5 2LD
• Sold Nov 2021£1,600,000 | 5 Bed House71A, West Common, Harpenden, AL5 2LD71A, West Common, Harpenden, AL5 2LD
• Sold May 2021£2,200,000 | 5 Bed House13, The Warren, Harpenden, AL5 2NH13, The Warren, Harpenden, AL5 2NH
• Sold Oct 2020£2,100,000 | 5 Bed House74, West Common, Harpenden, AL5 2LD74, West Common, Harpenden, AL5 2LD
• Sold Sep 2020£1,735,000 | 5 Bed House15, The Warren, Harpenden, AL5 2NH15, The Warren, Harpenden, AL5 2NH
• Sold Feb 2020£600,000 | 3 Bed House67, West Common, Harpenden, AL5 2LD67, West Common, Harpenden, AL5 2LD
• Sold Apr 2018£540,000 | 3 Bed House69, West Common, Harpenden, AL5 2LD69, West Common, Harpenden, AL5 2LD
• Sold Sep 2017£2,410,000 | 4 Bed House4, West Common Way, Harpenden, AL5 2LF4, West Common Way, Harpenden, AL5 2LF
• Sold Jul 2017£1,895,000 | 5 Bed House2, West Common Way, Harpenden, AL5 2LF2, West Common Way, Harpenden, AL5 2LF
• Sold Mar 2017£1,170,000 | 5 Bed House12, Hatching Green Close, Harpenden, AL5 2LB12, Hatching Green Close, Harpenden, AL5 2LB
• Sold Jun 2016£1,222,000 | 5 Bed House9, Hatching Green Close, Harpenden, AL5 2LB9, Hatching Green Close, Harpenden, AL5 2LB
• Sold Aug 2015£583,000 | 4 Bed House66, West Common, Harpenden, AL5 2LD66, West Common, Harpenden, AL5 2LD
• Sold Jul 2015£1,450,000 | 5 Bed House10, Hatching Green Close, Harpenden, AL5 2LB10, Hatching Green Close, Harpenden, AL5 2LB
• Sold Feb 2015£2,000,000 | 5 Bed House63, West Common, Harpenden, AL5 2LD63, West Common, Harpenden, AL5 2LD
• Sold Jun 2014£1,250,000 | 5 Bed House14, The Warren, Harpenden, AL5 2NH14, The Warren, Harpenden, AL5 2NH
• Sold Jul 2011£2,560,000 | 5 Bed House62, West Common, Harpenden, AL5 2LD62, West Common, Harpenden, AL5 2LD
• Sold Jul 2009£450,000 | 3 Bed House13, Hatching Green Close, Harpenden, AL5 2LB13, Hatching Green Close, Harpenden, AL5 2LB
• Sold Dec 2008£994,244 | 5 Bed House11, Hatching Green Close, Harpenden, AL5 2LB11, Hatching Green Close, Harpenden, AL5 2LB

Of the 135 addresses on West Common, Harpenden, AL5, 70, West Common, Harpenden comes out as the largest and the 4th most expensive in our analysis of the public data.

It is also £1.396m more 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.