According to data from HM Land Registry, 71A, West Common, Harpenden sits on a plot of 1,051 m².

We have plot size data on 17 out of 18 other houses in the postcode and 71A, West Common, Harpenden sits on the 12th largest plot.

71A, West Common, Harpenden has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 29 Sep 2025.

The property is connected to mains gas and has high performance glazing. It is heated using air source heat pump (underfloor, electric).

According to HM Land Registry, 71A, West Common, Harpenden was last sold on 2nd November 2021 for £1,600,000 and was recorded as a freehold house.

The property has had 2 sales since 1995.

Since November 2021, the market for similar properties has dropped by 21.5%.

• Sold Nov 2021£1,600,000
• Sold Sep 2019£1,625,000

According to the Land Registry and our network of Estate Agents, there have been 56 sales of properties similar to 71A, West Common, Harpenden within a radius of 1.1 kilometres since 2014.

The most recent example is The Coach House, Hatching Green Close, Harpenden, AL5 2LB, a freehold house which sold for £1,885,000 on the 9th October 2025.

Read more about house prices in AL5.

• Sold Oct 2025£1,885,000 | 5 Bed HouseThe Coach House, Hatching Green Close, Harpenden, AL5 2LBThe Coach House, Hatching Green Close, Harpenden, AL5 2LB
• Sold Apr 2025£1,850,000 | 5 Bed House18, The Deerings, Harpenden, AL5 2PE18, The Deerings, Harpenden, AL5 2PE
• Sold Feb 2025£2,425,000 | 5 Bed House14, High Elms, Harpenden, AL5 2JU14, High Elms, Harpenden, AL5 2JU
• Sold Sep 2024£2,200,000 | 5 Bed House5, The Chowns, Harpenden, AL5 2BN5, The Chowns, Harpenden, AL5 2BN
• Sold Sep 2024£2,225,000 | 5 Bed House20A, Oakfield Road, Harpenden, AL5 2NL20A, Oakfield Road, Harpenden, AL5 2NL
• Sold Jul 2024£2,425,000 | 5 Bed HouseGray Corners, West Common Grove, Harpenden, AL5 2LEGray Corners, West Common Grove, Harpenden, AL5 2LE
• Sold Feb 2023£2,040,000 | 5 Bed House1, Oakview Close, Harpenden, AL5 2PP1, Oakview Close, Harpenden, AL5 2PP
• Sold Feb 2022£2,400,000 | 5 Bed House72, West Common, Harpenden, AL5 2LD72, West Common, Harpenden, AL5 2LD
• Sold Jun 2021£2,800,000 | 5 Bed House7, Oak Way, Harpenden, AL5 2NT7, Oak Way, Harpenden, AL5 2NT
• Sold May 2021£1,737,500 | 5 Bed House3, Barlings Road, Harpenden, AL5 2AL3, Barlings Road, Harpenden, AL5 2AL
• Sold Feb 2021£1,850,000 | 5 Bed House11, The Chowns, Harpenden, AL5 2BN11, The Chowns, Harpenden, AL5 2BN
• Sold Dec 2020£1,900,000 | 5 Bed House9, Dellcroft Way, Harpenden, AL5 2NQ9, Dellcroft Way, Harpenden, AL5 2NQ
• Sold Oct 2020£2,100,000 | 5 Bed House74, West Common, Harpenden, AL5 2LD74, West Common, Harpenden, AL5 2LD
• Sold Sep 2020£1,920,000 | 5 Bed House4B, High Elms, Harpenden, AL5 2JU4B, High Elms, Harpenden, AL5 2JU
• Sold Aug 2019£1,975,000 | 5 Bed House10, High Elms, Harpenden, AL5 2JU10, High Elms, Harpenden, AL5 2JU
• Sold Oct 2018£1,734,000 | 5 Bed House10, Fairway Close, Harpenden, AL5 2NN10, Fairway Close, Harpenden, AL5 2NN
• Sold Jun 2017£1,510,000 | 5 Bed HouseByland, Hatching Green, Harpenden, AL5 2JSByland, Hatching Green, Harpenden, AL5 2JS
• Sold May 2017£1,752,000 | 5 Bed House3, Glendale Close, Harpenden, AL5 2FG3, Glendale Close, Harpenden, AL5 2FG
• Sold Jun 2016£1,975,000 | 5 Bed House20, High Elms, Harpenden, AL5 2JU20, High Elms, Harpenden, AL5 2JU
• Sold May 2014£790,000 | 5 Bed House41, Barlings Road, Harpenden, AL5 2BJ41, Barlings Road, Harpenden, AL5 2BJ

West Common, Harpenden, AL5 has a total of 135 addresses. According to our analysis of all the public data, 71A, West Common, Harpenden is the 6th largest and the 7th most expensive property on the street.

When compared to the postcode district it is £1.154m more expensive than the average property in AL5.

• 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

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.