HM Land Registry records the plot of land for 15, Barns Dene, Harpenden as measuring 738 m².

That makes it the 8th largest plot in the postcode, where all 20 other houses have recorded plot data.

15, Barns Dene, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 30 Jan 2026.

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

Since 2007 110 properties similar to 15, Barns Dene, Harpenden have sold within a radius of 870 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 3rd July 2025, was 14, Roundwood Park, Harpenden, AL5 3AB, a freehold house which sold for £1,595,000.

Read more about house prices in AL5.

• Sold Jul 2025£1,595,000 | 4 Bed House14, Roundwood Park, Harpenden, AL5 3AB14, Roundwood Park, Harpenden, AL5 3AB
• Sold May 2025£1,760,000 | 4 Bed House32, Roundwood Park, Harpenden, AL5 3AF32, Roundwood Park, Harpenden, AL5 3AF
• Sold Apr 2025£1,370,000 | 5 Bed House43A, Moreton End Lane, Harpenden, AL5 2HA43A, Moreton End Lane, Harpenden, AL5 2HA
• Sold Mar 2025£1,615,000 | 5 Bed House45A, Moreton End Lane, Harpenden, AL5 2HA45A, Moreton End Lane, Harpenden, AL5 2HA
• Sold Feb 2025£1,605,000 | 4 Bed House9, Pondwick Road, Harpenden, AL5 2HG9, Pondwick Road, Harpenden, AL5 2HG
• Sold Sep 2024£1,470,000 | 5 Bed House19, Claygate Avenue, Harpenden, AL5 2HE19, Claygate Avenue, Harpenden, AL5 2HE
• Sold Sep 2024£1,835,000 | 5 Bed House8, Hartwell Gardens, Harpenden, AL5 2RW8, Hartwell Gardens, Harpenden, AL5 2RW
• Sold May 2024£1,360,000 | 4 Bed House1, Claygate Avenue, Harpenden, AL5 2HE1, Claygate Avenue, Harpenden, AL5 2HE
• Sold May 2024£1,260,000 | 4 Bed House6, Barns Dene, Harpenden, AL5 2HQ6, Barns Dene, Harpenden, AL5 2HQ
• Sold Feb 2024£1,810,001 | 5 Bed House22, Barns Dene, Harpenden, AL5 2HQ22, Barns Dene, Harpenden, AL5 2HQ
• Sold Nov 2023£1,450,000 | 5 Bed House3, Barns Dene, Harpenden, AL5 2HH3, Barns Dene, Harpenden, AL5 2HH
• Sold Aug 2023£1,325,000 | 5 Bed House45, Moreton End Lane, Harpenden, AL5 2HA45, Moreton End Lane, Harpenden, AL5 2HA
• Sold Apr 2022£1,465,000 | 4 Bed House14, Barns Dene, Harpenden, AL5 2HQ14, Barns Dene, Harpenden, AL5 2HQ
• Sold Oct 2021£1,490,000 | 5 Bed House12, Barns Dene, Harpenden, AL5 2HQ12, Barns Dene, Harpenden, AL5 2HQ
• Sold Aug 2020£1,089,000 | 5 Bed House12, Broadfields, Harpenden, AL5 2HJ12, Broadfields, Harpenden, AL5 2HJ
• Sold May 2020£1,150,000 | 5 Bed House23, Broadfields, Harpenden, AL5 2HJ23, Broadfields, Harpenden, AL5 2HJ
• Sold Nov 2017£1,100,000 | 4 Bed House35, Barns Dene, Harpenden, AL5 2HH35, Barns Dene, Harpenden, AL5 2HH
• Sold Sep 2017£1,190,700 | 5 Bed House4, Barns Dene, Harpenden, AL5 2HQ4, Barns Dene, Harpenden, AL5 2HQ
• Sold Oct 2011£970,000 | 5 Bed House41, Claygate Avenue, Harpenden, AL5 2HE41, Claygate Avenue, Harpenden, AL5 2HE
• Sold Aug 2007£900,000 | 5 Bed House18, Barns Dene, Harpenden, AL5 2HQ18, Barns Dene, Harpenden, AL5 2HQ

Of the 37 addresses on Barns Dene, Harpenden, AL5, 15, Barns Dene, Harpenden comes out as the 22nd largest and the 22nd most expensive in our analysis of the public data.

It is also £573k more expensive than the average property across the AL5 district.

• Roundwood Primary School

  300 m away
• St Nicholas CofE VA Primary School

  800 m away
• Harpenden Academy

  1.1 km away

• Roundwood Park School

  300 m away
• St George's School

  1.2 km away
• Sir John Lawes School

  1.7 km away

• Harpenden

  |

  1.2 km away
• Luton Airport Parkway

  |

  6.4 km away
• Luton

  |

  7.8 km away

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