15, Hammondswick, Harpenden occupies a 1,356 m² plot as recorded by HM Land Registry.

Of the 18 other houses in this postcode, 17 have recorded plot sizes, and this one ranks as the 6th largest.

15, Hammondswick, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 27 Mar 2024.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas, boiler and underfloor heating, mains gas).

15, Hammondswick, Harpenden last changed hands on 30th September 2024, selling for £1,845,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold 3 times since 1995.

The market for similar properties has dropped by 24.9% since September 2024.

• Sold Sep 2024£1,845,000
• Sold Jan 2014£1,250,000
• Sold Sep 2005£755,000

Land Registry records and our Estate Agent network show 89 sales of comparable properties within 2.0 kilometres of 15, Hammondswick, Harpenden since 2016.

Most recently, 19, Hawsley Road, Harpenden, AL5 2BL, a freehold house, sold at £1,680,000 on the 28th August 2025.

Read more about house prices in AL5.

• Sold Aug 2025£1,680,000 | 5 Bed House19, Hawsley Road, Harpenden, AL5 2BL19, Hawsley Road, Harpenden, AL5 2BL
• Sold Apr 2025£1,650,000 | 5 Bed House10, The Chowns, Harpenden, AL5 2BN10, The Chowns, Harpenden, AL5 2BN
• Sold Mar 2025£1,750,000 | 5 Bed House34, The Uplands, Harpenden, AL5 2NZ34, The Uplands, Harpenden, AL5 2NZ
• Sold Mar 2025£1,637,500 | 5 Bed House3, The Chowns, Harpenden, AL5 2BN3, The Chowns, Harpenden, AL5 2BN
• Sold Nov 2024£1,395,000 | 5 Bed House17, Penny Croft, Harpenden, AL5 2PD17, Penny Croft, Harpenden, AL5 2PD
• Sold Oct 2024£1,800,000 | 5 Bed House20, The Deerings, Harpenden, AL5 2PE20, The Deerings, Harpenden, AL5 2PE
• Sold Jul 2024£1,800,000 | 5 Bed House23, The Uplands, Harpenden, AL5 2PG23, The Uplands, Harpenden, AL5 2PG
• Sold Jul 2024£1,325,000 | 5 Bed House17, Barlings Road, Harpenden, AL5 2AL17, Barlings Road, Harpenden, AL5 2AL
• 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£1,650,000 | 5 Bed House3, Wheatfield Avenue, Harpenden, AL5 2NU3, Wheatfield Avenue, Harpenden, AL5 2NU
• Sold Sep 2023£1,500,000 | 5 Bed House16, The Deerings, Harpenden, AL5 2PE16, The Deerings, Harpenden, AL5 2PE
• Sold Jul 2023£1,305,500 | 5 Bed House10, Hammondswick, Harpenden, AL5 2NR10, Hammondswick, Harpenden, AL5 2NR
• Sold May 2023£1,500,000 | 5 Bed House1, Wheatfield Road, Harpenden, AL5 2NY1, Wheatfield Road, Harpenden, AL5 2NY
• Sold Sep 2022£1,795,000 | 5 Bed House6, Prospect Lane, Harpenden, AL5 2PL6, Prospect Lane, Harpenden, AL5 2PL
• Sold Jan 2022£1,700,000 | 5 Bed House5, Penny Croft, Harpenden, AL5 2PD5, Penny Croft, Harpenden, AL5 2PD
• Sold Jun 2021£1,300,000 | 5 Bed House8, Penny Croft, Harpenden, AL5 2PB8, Penny Croft, Harpenden, AL5 2PB
• Sold Apr 2019£1,150,000 | 5 Bed House8, The Deerings, Harpenden, AL5 2PE8, The Deerings, Harpenden, AL5 2PE
• Sold Mar 2019£1,220,000 | 5 Bed House6, Penny Croft, Harpenden, AL5 2PB6, Penny Croft, Harpenden, AL5 2PB
• Sold Nov 2016£928,000 | 5 Bed House35, The Deerings, Harpenden, AL5 2PF35, The Deerings, Harpenden, AL5 2PF

Agents in our network have reported 2 lettings within 2.0 kilometres of 15, Hammondswick, Harpenden across the last 2 years.

The newest of these is 3, Childwick Green, St. Albans, AL3 6JJ, a freehold house let by Collinson Hall in April 2025.

• 
  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.

Our analysis of the public data ranks 15, Hammondswick, Harpenden as the 10th largest and the 11th most expensive of the 18 addresses on Hammondswick, Harpenden, AL5.

Against the AL5 postcode district average, it is £541k more expensive than the typical property.

• St Dominic Catholic Primary School

  2.1 km away
• The Grove Junior School

  2.4 km away
• The Grove Infant and Nursery School

  2.4 km away

• Townsend Church of England School

  2.7 km away
• Roundwood Park School

  2.9 km away
• St George's School

  3.2 km away

• Harpenden

  |

  2.4 km away
• St Albans City

  |

  5.5 km away
• St Albans Abbey

  |

  5.7 km away

Environment Agency data suggests this area has a Very Low risk of flooding.