HM Land Registry records the plot of land for 9, The Chowns, Harpenden as measuring 980 m².

That makes it the 14th largest plot in the postcode, where all 16 other houses have recorded plot data.

9, The Chowns, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 20 May 2014.

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

The most recent sale of 9, The Chowns, Harpenden completed on 15th August 2014 at £1,200,000 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 risen by 11.5% over the period since August 2014.

• Sold Aug 2014£1,200,000

Since 2014 72 properties similar to 9, The Chowns, Harpenden have sold within a radius of 1.5 kilometres, per the Land Registry and our network of Estate Agents.

The latest, on the 2nd February 2026, was 4, Collens Road, Harpenden, AL5 2AJ, a freehold house which sold for £1,322,500.

Read more about house prices in AL5.

• Sold Feb 2026£1,322,500 | 4 Bed House4, Collens Road, Harpenden, AL5 2AJ4, Collens Road, Harpenden, AL5 2AJ
• Sold Aug 2025£1,700,000 | 4 Bed House10, Dellcroft Way, Harpenden, AL5 2NG10, Dellcroft Way, Harpenden, AL5 2NG
• Sold Apr 2025£1,325,000 | 4 Bed House8, Burywick, Harpenden, AL5 2AE8, Burywick, Harpenden, AL5 2AE
• Sold Apr 2025£1,650,000 | 5 Bed House10, The Chowns, Harpenden, AL5 2BN10, The Chowns, Harpenden, AL5 2BN
• Sold Jan 2025£1,400,000 | 4 Bed House27, Barlings Road, Harpenden, AL5 2AW27, Barlings Road, Harpenden, AL5 2AW
• Sold Nov 2024£1,395,000 | 5 Bed House17, Penny Croft, Harpenden, AL5 2PD17, Penny Croft, Harpenden, AL5 2PD
• Sold Jul 2024£1,325,000 | 5 Bed House17, Barlings Road, Harpenden, AL5 2AL17, Barlings Road, Harpenden, AL5 2AL
• Sold Jun 2024£1,340,000 | 5 Bed House6A, Hatching Green Close, Harpenden, AL5 2LB6A, Hatching Green Close, Harpenden, AL5 2LB
• Sold Apr 2024£1,310,000 | 5 Bed House19, The Deerings, Harpenden, AL5 2PF19, The Deerings, Harpenden, AL5 2PF
• Sold Dec 2023£1,325,000 | 4 Bed House16, Collens Road, Harpenden, AL5 2AJ16, Collens Road, Harpenden, AL5 2AJ
• Sold Nov 2023£1,300,000 | 4 Bed House5, Burywick, Harpenden, AL5 2AD5, Burywick, Harpenden, AL5 2AD
• Sold Aug 2023£1,330,000 | 4 Bed House12, Burywick, Harpenden, AL5 2AE12, Burywick, Harpenden, AL5 2AE
• Sold Aug 2022£1,488,000 | 4 Bed House20, Netherfield Road, Harpenden, AL5 2AG20, Netherfield Road, Harpenden, AL5 2AG
• Sold Aug 2022£1,675,000 | 5 Bed House5, Netherfield Road, Harpenden, AL5 2AF5, Netherfield Road, Harpenden, AL5 2AF
• Sold Jan 2022£1,350,000 | 5 Bed House6, Barlings Road, Harpenden, AL5 2AN6, Barlings Road, Harpenden, AL5 2AN
• Sold Dec 2018£1,152,500 | 4 Bed House34, The Deerings, Harpenden, AL5 2PE34, The Deerings, Harpenden, AL5 2PE
• Sold Jan 2018£1,250,000 | 5 Bed House5, Barlings Road, Harpenden, AL5 2AL5, Barlings Road, Harpenden, AL5 2AL
• Sold Nov 2016£928,000 | 5 Bed House35, The Deerings, Harpenden, AL5 2PF35, The Deerings, Harpenden, AL5 2PF
• Sold Jul 2016£1,193,000 | 4 Bed House49, The Deerings, Harpenden, AL5 2PF49, The Deerings, Harpenden, AL5 2PF
• Sold Nov 2014£1,200,000 | 5 Bed House7, Barlings Road, Harpenden, AL5 2AL7, Barlings Road, Harpenden, AL5 2AL

Over the past 2 years our Estate Agent network has recorded 2 lets within 1.5 kilometres of 9, The Chowns, Harpenden.

The latest, in April 2025, was 3, Childwick Green, St. Albans, AL3 6JJ, a freehold house let by Collinson Hall.

• 
  Let Apr 2025£ Undisclosed | 2 Bed House3, Childwick Green, St. Albans, AL3 6JJ3, Childwick Green, St. Albans, AL3 6JJ
• 
  Let Jul 2023£ Undisclosed | 2 Bed House1, Childwick Green, St. Albans, AL3 6JJ1, Childwick Green, St. Albans, AL3 6JJ

•Nearby is defined as the radius comprising the nearest 2,000 addresses.

Of the 16 addresses on The Chowns, Harpenden, AL5, 9, The Chowns, Harpenden comes out as the 16th largest and the 16th most expensive in our analysis of the public data.

It is also £492k more expensive than the average property across the AL5 district.

• St Dominic Catholic Primary School

  1.8 km away
• The Grove Junior School

  1.9 km away
• The Grove Infant and Nursery School

  1.9 km away

• Townsend Church of England School

  2.6 km away
• Roundwood Park School

  2.9 km away
• St George's School

  2.9 km away

• Harpenden

  |

  2.1 km away
• St Albans City

  |

  5.5 km away
• St Albans Abbey

  |

  5.8 km away

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