HM Land Registry records the plot of land for 5, The Warren, Harpenden as measuring 1,326 m².

That makes it the 14th largest plot in the postcode, where all 17 other houses have recorded plot data.

5, The Warren, Harpenden has an Energy Performance Rating (EPC) of F. This is based on the most recent assessment, dated 26 Jul 2022.

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

The most recent sale of 5, The Warren, Harpenden completed on 24th February 2023 at £1,756,000 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 dropped by 25.6% over the period since February 2023.

• Sold Feb 2023£1,756,000

Since 2008 45 properties similar to 5, The Warren, Harpenden have sold within a radius of 1.3 kilometres, per the Land Registry and our network of Estate Agents.

The latest, on the 17th September 2025, was 6, Wheatfield Avenue, Harpenden, AL5 2NU, a freehold house which sold for £1,750,000.

Read more about house prices in AL5.

• Sold Sep 2025£1,750,000 | 5 Bed House6, Wheatfield Avenue, Harpenden, AL5 2NU6, Wheatfield Avenue, Harpenden, AL5 2NU
• Sold Jul 2025£1,850,000 | 5 Bed House36, The Uplands, Harpenden, AL5 2NZ36, The Uplands, Harpenden, AL5 2NZ
• 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 Jan 2025£1,825,000 | 5 Bed House33, Southdown Road, Harpenden, AL5 1PF33, Southdown Road, Harpenden, AL5 1PF
• 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 Apr 2024£1,750,000 | 5 Bed House42, Oakfield Road, Harpenden, AL5 2NS42, Oakfield Road, Harpenden, AL5 2NS
• Sold Nov 2023£1,650,000 | 5 Bed House3, Wheatfield Avenue, Harpenden, AL5 2NU3, Wheatfield Avenue, Harpenden, AL5 2NU
• Sold Sep 2023£2,335,000 | 5 Bed House10, The Warren, Harpenden, AL5 2NH10, The Warren, Harpenden, AL5 2NH
• Sold Jun 2023£1,675,000 | 5 Bed House17, The Warren, Harpenden, AL5 2NH17, The Warren, Harpenden, AL5 2NH
• Sold Apr 2023£1,595,000 | 5 Bed House14, Hawsley Road, Harpenden, AL5 2BL14, Hawsley Road, Harpenden, AL5 2BL
• Sold Nov 2022£2,385,000 | 5 Bed House12, The Warren, Harpenden, AL5 2NH12, The Warren, Harpenden, AL5 2NH
• Sold Jan 2022£1,725,000 | 5 Bed House3, Fairway Close, Harpenden, AL5 2NN3, Fairway Close, Harpenden, AL5 2NN
• Sold Dec 2020£1,490,000 | 5 Bed House4, High Elms, Harpenden, AL5 2JU4, High Elms, Harpenden, AL5 2JU
• Sold Sep 2020£1,735,000 | 5 Bed House15, The Warren, Harpenden, AL5 2NH15, The Warren, Harpenden, AL5 2NH
• Sold Dec 2018£1,250,000 | 5 Bed House1, Netherfield Road, Harpenden, AL5 2AF1, Netherfield Road, Harpenden, AL5 2AF
• Sold Jan 2014£1,495,000 | 5 Bed House16, West Common Way, Harpenden, AL5 2LF16, West Common Way, Harpenden, AL5 2LF
• Sold Oct 2011£1,355,000 | 5 Bed House3, High Elms, Harpenden, AL5 2JU3, High Elms, Harpenden, AL5 2JU
• Sold Dec 2008£994,244 | 5 Bed House11, Hatching Green Close, Harpenden, AL5 2LB11, Hatching Green Close, Harpenden, AL5 2LB

Of the 17 addresses on The Warren, Harpenden, AL5, 5, The Warren, Harpenden comes out as the 15th largest and the 14th most expensive in our analysis of the public data.

It is also £976k more expensive than the average property across the AL5 district.

• St Dominic Catholic Primary School

  1.3 km away
• The Grove Junior School

  1.6 km away
• The Grove Infant and Nursery School

  1.6 km away

• St George's School

  2.4 km away
• Roundwood Park School

  2.4 km away
• Sir John Lawes School

  2.6 km away

• Harpenden

  |

  1.6 km away
• St Albans City

  |

  5.9 km away
• St Albans Abbey

  |

  6.3 km away

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