3, Netherfield Road, Harpenden occupies a 1,129 m² plot as recorded by HM Land Registry.

All 8 other houses in this postcode have recorded plot sizes, and this one ranks as the 2nd largest.

3, Netherfield Road, Harpenden has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 07 Oct 2022.

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

3, Netherfield Road, Harpenden last changed hands on 29th October 2025, selling for £2,325,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold twice since 1995.

The market for similar properties has dropped by 26.3% since October 2025.

• Sold Oct 2025£2,325,000
• Sold Mar 2015£1,100,000

Land Registry records and our Estate Agent network show 58 sales of comparable properties within 1.5 kilometres of 3, Netherfield Road, Harpenden since 2012.

Most recently, 19, The Uplands, Harpenden, AL5 2PG, a freehold house, sold at £2,350,000 on the 28th August 2025.

Read more about house prices in AL5.

• Sold Aug 2025£2,350,000 | 5 Bed House19, The Uplands, Harpenden, AL5 2PG19, The Uplands, Harpenden, AL5 2PG
• Sold Feb 2025£2,425,000 | 5 Bed House14, High Elms, Harpenden, AL5 2JU14, High Elms, Harpenden, AL5 2JU
• Sold Nov 2024£2,285,000 | 5 Bed House23, The Deerings, Harpenden, AL5 2PF23, The Deerings, Harpenden, AL5 2PF
• 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 Apr 2024£2,287,000 | 5 Bed House14, Wheatfield Road, Harpenden, AL5 2NY14, Wheatfield Road, Harpenden, AL5 2NY
• Sold Aug 2023£2,325,000 | 5 Bed House21, West Common Grove, Harpenden, AL5 2AT21, West Common Grove, Harpenden, AL5 2AT
• Sold Nov 2022£2,000,000 | 5 Bed House6, Netherfield Road, Harpenden, AL5 2AG6, Netherfield Road, Harpenden, AL5 2AG
• Sold Feb 2022£2,400,000 | 5 Bed House72, West Common, Harpenden, AL5 2LD72, West Common, Harpenden, AL5 2LD
• Sold Sep 2021£2,050,000 | 5 Bed House30, The Uplands, Harpenden, AL5 2NZ30, The Uplands, Harpenden, AL5 2NZ
• Sold Jun 2021£2,800,000 | 5 Bed House7, Oak Way, Harpenden, AL5 2NT7, Oak Way, Harpenden, AL5 2NT
• Sold Jun 2021£1,975,000 | 5 Bed House17, Hammondswick, Harpenden, AL5 2NR17, Hammondswick, Harpenden, AL5 2NR
• Sold Feb 2021£1,850,000 | 5 Bed House11, The Chowns, Harpenden, AL5 2BN11, The Chowns, Harpenden, AL5 2BN
• Sold Dec 2020£2,000,000 | 5 Bed House21, Hawsley Road, Harpenden, AL5 2BL21, Hawsley Road, Harpenden, AL5 2BL
• Sold Dec 2020£1,900,000 | 5 Bed House9, Dellcroft Way, Harpenden, AL5 2NQ9, Dellcroft Way, Harpenden, AL5 2NQ
• Sold Nov 2020£1,625,000 | 5 Bed House30, Penny Croft, Harpenden, AL5 2PB30, Penny Croft, Harpenden, AL5 2PB
• Sold Dec 2019£1,870,000 | 5 Bed House2, The Warren, Harpenden, AL5 2NH2, The Warren, Harpenden, AL5 2NH
• Sold Aug 2015£1,325,000 | 5 Bed House48, The Deerings, Harpenden, AL5 2PE48, The Deerings, Harpenden, AL5 2PE
• Sold Jul 2012£1,065,000 | 5 Bed House9, The Deerings, Harpenden, AL5 2PF9, The Deerings, Harpenden, AL5 2PF

Agents in our network have reported 2 lettings within 1.5 kilometres of 3, Netherfield Road, 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 3, Netherfield Road, Harpenden as the 3rd largest and the 2nd most expensive of the 18 addresses on Netherfield Road, Harpenden, AL5.

Against the AL5 postcode district average, it is £1.269m more expensive than the typical property.

• The Grove Junior School

  1.9 km away
• The Grove Infant and Nursery School

  1.9 km away
• St Dominic Catholic Primary School

  2.0 km away

• Townsend Church of England School

  2.4 km away
• St Albans Girls' School

  3.1 km away
• St George's School

  3.1 km away

• Harpenden

  |

  2.3 km away
• St Albans City

  |

  5.2 km away
• St Albans Abbey

  |

  5.5 km away

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