According to data from HM Land Registry, 18, East Common, Harpenden sits on a plot of 426 m².

We have plot size data on 8 out of 24 other houses in the postcode and 18, East Common, Harpenden sits on the 3rd largest plot.

18, East Common, Harpenden has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 14 Jul 2014.

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

According to HM Land Registry, 18, East Common, Harpenden was last sold on 2nd February 2023 for £1,950,000 and was recorded as a freehold house.

The property has had 2 sales since 1995.

Since February 2023, the market for similar properties has dropped by 18.1%.

According to the Land Registry and our network of Estate Agents, there have been 32 sales of properties similar to 18, East Common, Harpenden within a radius of 780 metres since 2012.

The most recent example is 23, Meadow Walk, Harpenden, AL5 5TF, a freehold house which sold for £1,525,000 on the 8th October 2025.

Read more about house prices in AL5.

• Sold Oct 2025£1,525,000 | 5 Bed House23, Meadow Walk, Harpenden, AL5 5TF23, Meadow Walk, Harpenden, AL5 5TF
• Sold Aug 2025£1,530,565 | 5 Bed House1B, Crabtree Lane, Harpenden, AL5 5TA1B, Crabtree Lane, Harpenden, AL5 5TA
• Sold Jun 2025£1,680,000 | 4 Bed House26, Crabtree Lane, Harpenden, AL5 5TE26, Crabtree Lane, Harpenden, AL5 5TE
• Sold Aug 2024£1,620,000 | 5 Bed House1, Cloisters, Harpenden, AL5 1DB1, Cloisters, Harpenden, AL5 1DB
• Sold Jun 2024£1,340,000 | 5 Bed House6A, Hatching Green Close, Harpenden, AL5 2LB6A, Hatching Green Close, Harpenden, AL5 2LB
• Sold Sep 2023£1,500,000 | 5 Bed House17, East Common, Harpenden, AL5 1BJ17, East Common, Harpenden, AL5 1BJ
• Sold Sep 2023£1,076,000 | 5 Bed House4, Meadow Walk, Harpenden, AL5 5TG4, Meadow Walk, Harpenden, AL5 5TG
• Sold Nov 2022£1,440,000 | 4 Bed House5, Hatching Green Close, Harpenden, AL5 2LB5, Hatching Green Close, Harpenden, AL5 2LB
• Sold Apr 2022£1,500,000 | 4 Bed House1, Crabtree Lane, Harpenden, AL5 5TA1, Crabtree Lane, Harpenden, AL5 5TA
• Sold Feb 2022£2,000,000 | 5 Bed HouseFerrum House, Grange Court Road, Harpenden, AL5 1BYFerrum House, Grange Court Road, Harpenden, AL5 1BY
• Sold Nov 2021£1,562,500 | 5 Bed House5, East Common, Harpenden, AL5 1BJ5, East Common, Harpenden, AL5 1BJ
• Sold Sep 2021£1,055,000 | 4 Bed House17, Meadow Walk, Harpenden, AL5 5TF17, Meadow Walk, Harpenden, AL5 5TF
• Sold Apr 2020£1,516,225 | 5 Bed House7, East Common, Harpenden, AL5 1BJ7, East Common, Harpenden, AL5 1BJ
• Sold Dec 2019£1,070,000 | 5 Bed House92, Cravells Road, Harpenden, AL5 1BG92, Cravells Road, Harpenden, AL5 1BG
• Sold Oct 2018£1,137,500 | 4 Bed House41, Meadow Walk, Harpenden, AL5 5TF41, Meadow Walk, Harpenden, AL5 5TF
• Sold Oct 2016£1,300,000 | 5 Bed House6, Hatching Green Close, Harpenden, AL5 2LB6, Hatching Green Close, Harpenden, AL5 2LB
• Sold Aug 2013£1,000,000 | 5 Bed House6, East Common, Harpenden, AL5 1BJ6, East Common, Harpenden, AL5 1BJ
• Sold Sep 2012£850,000 | 4 Bed HouseLinks Cottage, East Common, Harpenden, AL5 1DQLinks Cottage, East Common, Harpenden, AL5 1DQ
• Sold Aug 2012£820,000 | 4 Bed House19, East Common, Harpenden, AL5 1BJ19, East Common, Harpenden, AL5 1BJ
• Sold May 2012£819,000 | 4 Bed House22, East Common, Harpenden, AL5 1BJ22, East Common, Harpenden, AL5 1BJ

East Common, Harpenden, AL5 has a total of 57 addresses. According to our analysis of all the public data, 18, East Common, Harpenden is the 29th largest and the 34th most expensive property on the street.

When compared to the postcode district it is £491k more expensive than the average property in AL5.

• The Grove Junior School

  800 m away
• The Grove Infant and Nursery School

  800 m away
• St Dominic Catholic Primary School

  900 m away

• Sir John Lawes School

  2.0 km away
• St George's School

  2.1 km away
• Katherine Warington School

  2.3 km away

• Harpenden

  |

  1.2 km away
• St Albans City

  |

  6.1 km away
• St Albans Abbey

  |

  6.6 km away

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