According to data from HM Land Registry, 10, Barns Dene, Harpenden sits on a plot of 761 m².

We have plot size data on 17 out of 17 other houses in the postcode and 10, Barns Dene, Harpenden sits on the 2nd largest plot.

10, Barns Dene, Harpenden has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 01 Apr 2011.

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

According to HM Land Registry, 10, Barns Dene, Harpenden was last sold on 24th August 2011 for £810,502 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since August 2011, the market for similar properties has risen by 25.8%.

• Sold Aug 2011£810,502

According to the Land Registry and our network of Estate Agents, there have been 59 sales of properties similar to 10, Barns Dene, Harpenden within a radius of 830 metres since 2015.

The most recent example is 25, Moreton End Lane, Harpenden, AL5 2EY, a freehold house which sold for £1,160,000 on the 27th April 2026.

Read more about house prices in AL5.

• Sold Apr 2026£1,160,000 | 4 Bed House25, Moreton End Lane, Harpenden, AL5 2EY25, Moreton End Lane, Harpenden, AL5 2EY
• Sold Sep 2025£1,175,000 | 4 Bed House27, Barns Dene, Harpenden, AL5 2HH27, Barns Dene, Harpenden, AL5 2HH
• Sold Jun 2025£1,445,000 | 4 Bed House86, Townsend Lane, Harpenden, AL5 2RQ86, Townsend Lane, Harpenden, AL5 2RQ
• Sold Feb 2025£1,325,000 | 4 Bed House3, Townsend Close, Harpenden, AL5 2RF3, Townsend Close, Harpenden, AL5 2RF
• Sold Jan 2025£1,150,000 | 4 Bed House16, Broadfields, Harpenden, AL5 2HJ16, Broadfields, Harpenden, AL5 2HJ
• Sold Jan 2024£1,500,000 | 4 Bed House11B, Douglas Road, Harpenden, AL5 2EN11B, Douglas Road, Harpenden, AL5 2EN
• Sold Aug 2023£1,515,000 | 4 Bed House8, Barns Dene, Harpenden, AL5 2HQ8, Barns Dene, Harpenden, AL5 2HQ
• Sold Jan 2023£1,300,000 | 4 Bed House38, Townsend Lane, Harpenden, AL5 2QS38, Townsend Lane, Harpenden, AL5 2QS
• Sold Oct 2022£1,840,000 | 4 Bed House10, Pondwick Road, Harpenden, AL5 2HG10, Pondwick Road, Harpenden, AL5 2HG
• Sold Jun 2021£1,150,000 | 4 Bed House21, Douglas Road, Harpenden, AL5 2EP21, Douglas Road, Harpenden, AL5 2EP
• Sold Feb 2021£1,065,000 | 4 Bed House6, Broadfields, Harpenden, AL5 2HJ6, Broadfields, Harpenden, AL5 2HJ
• Sold Dec 2020£868,000 | 4 Bed House17B, Douglas Road, Harpenden, AL5 2EN17B, Douglas Road, Harpenden, AL5 2EN
• Sold Sep 2019£900,000 | 4 Bed House11, Claygate Avenue, Harpenden, AL5 2HE11, Claygate Avenue, Harpenden, AL5 2HE
• Sold Apr 2019£1,090,100 | 4 Bed House9, Alders End Lane, Harpenden, AL5 2HL9, Alders End Lane, Harpenden, AL5 2HL
• Sold Oct 2018£1,150,000 | 4 Bed House5, Claygate Avenue, Harpenden, AL5 2HE5, Claygate Avenue, Harpenden, AL5 2HE
• Sold Jan 2018£1,080,000 | 4 Bed House11, Alders End Lane, Harpenden, AL5 2HL11, Alders End Lane, Harpenden, AL5 2HL
• Sold Jan 2016£1,025,000 | 4 Bed House29, Claygate Avenue, Harpenden, AL5 2HE29, Claygate Avenue, Harpenden, AL5 2HE
• Sold Nov 2015£925,000 | 4 Bed House37, Claygate Avenue, Harpenden, AL5 2HE37, Claygate Avenue, Harpenden, AL5 2HE
• Sold Aug 2015£950,000 | 4 Bed House35, Claygate Avenue, Harpenden, AL5 2HE35, Claygate Avenue, Harpenden, AL5 2HE
• Sold May 2015£920,000 | 4 Bed House26, Barns Dene, Harpenden, AL5 2HQ26, Barns Dene, Harpenden, AL5 2HQ

Barns Dene, Harpenden, AL5 has a total of 37 addresses. According to our analysis of all the public data, 10, Barns Dene, Harpenden is the 34th largest and the 34th most expensive property on the street.

When compared to the postcode district it is £285k more expensive than the average property in AL5.

• Roundwood Primary School

  200 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

  |

  1.3 km away
• Luton Airport Parkway

  |

  6.4 km away
• Luton

  |

  7.8 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.