According to data from HM Land Registry, 11C, Douglas Road, Harpenden sits on a plot of 494 m².

We have plot size data on 14 out of 14 other houses in the postcode and 11C, Douglas Road, Harpenden sits on the 11th largest plot.

11C, Douglas Road, Harpenden has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 29 Nov 2024.

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

According to HM Land Registry, 11C, Douglas Road, Harpenden was last sold on 11th June 2025 for £2,195,000 and was recorded as a freehold house.

The property has had 2 sales since 1995.

Since June 2025, the market for similar properties has dropped by 12.8%.

According to the Land Registry and our network of Estate Agents, there have been 67 sales of properties similar to 11C, Douglas Road, Harpenden within a radius of 660 metres since 2011.

The most recent example is 1, Townsend Lane, Harpenden, AL5 2PY, a freehold house which sold for £950,000 on the 8th May 2026.

Read more about house prices in AL5.

• Sold May 2026£950,000 | 5 Bed House1, Townsend Lane, Harpenden, AL5 2PY1, Townsend Lane, Harpenden, AL5 2PY
• Sold Jan 2026£1,925,000 | 5 Bed House7, Moreton Place, Harpenden, AL5 2UF7, Moreton Place, Harpenden, AL5 2UF
• Sold Apr 2024£1,950,000 | 5 Bed House21, Townsend Lane, Harpenden, AL5 2PY21, Townsend Lane, Harpenden, AL5 2PY
• Sold Feb 2024£1,810,001 | 5 Bed House22, Barns Dene, Harpenden, AL5 2HQ22, Barns Dene, Harpenden, AL5 2HQ
• Sold Feb 2023£1,865,000 | 5 Bed House9, Maple Road, Harpenden, AL5 2DX9, Maple Road, Harpenden, AL5 2DX
• Sold Dec 2022£1,717,500 | 5 Bed House22A, Douglas Road, Harpenden, AL5 2EW22A, Douglas Road, Harpenden, AL5 2EW
• Sold Jul 2022£1,425,000 | 5 Bed House27, Claygate Avenue, Harpenden, AL5 2HE27, Claygate Avenue, Harpenden, AL5 2HE
• Sold Jun 2022£1,900,000 | 5 Bed House31, Claygate Avenue, Harpenden, AL5 2HE31, Claygate Avenue, Harpenden, AL5 2HE
• Sold Nov 2021£1,835,000 | 5 Bed House4, Douglas Road, Harpenden, AL5 2EW4, Douglas Road, Harpenden, AL5 2EW
• Sold Jun 2021£1,578,000 | 5 Bed House12, Townsend Road, Harpenden, AL5 4BQ12, Townsend Road, Harpenden, AL5 4BQ
• Sold Jun 2021£1,525,000 | 5 Bed House29, Barns Dene, Harpenden, AL5 2HH29, Barns Dene, Harpenden, AL5 2HH
• Sold Oct 2020£1,701,777 | 5 Bed House7, Clarence Road, Harpenden, AL5 4AJ7, Clarence Road, Harpenden, AL5 4AJ
• Sold Jul 2019£1,750,000 | 5 Bed House16, Moreton Avenue, Harpenden, AL5 2ET16, Moreton Avenue, Harpenden, AL5 2ET
• Sold Jul 2019£1,650,000 | 5 Bed House37, Moreton End Lane, Harpenden, AL5 2EY37, Moreton End Lane, Harpenden, AL5 2EY
• Sold Aug 2018£1,405,000 | 5 Bed House23, Moreton Avenue, Harpenden, AL5 2EU23, Moreton Avenue, Harpenden, AL5 2EU
• Sold Jul 2017£1,560,000 | 5 Bed House7, Douglas Road, Harpenden, AL5 2EN7, Douglas Road, Harpenden, AL5 2EN
• Sold Aug 2016£1,375,000 | 5 Bed House21, Barns Dene, Harpenden, AL5 2HH21, Barns Dene, Harpenden, AL5 2HH
• Sold Aug 2015£1,550,000 | 5 Bed House14, Douglas Road, Harpenden, AL5 2EW14, Douglas Road, Harpenden, AL5 2EW
• Sold Feb 2015£1,470,000 | 5 Bed House15, Moreton End Lane, Harpenden, AL5 2EY15, Moreton End Lane, Harpenden, AL5 2EY
• Sold Sep 2011£1,200,000 | 5 Bed House16, Salisbury Avenue, Harpenden, AL5 2QG16, Salisbury Avenue, Harpenden, AL5 2QG

Douglas Road, Harpenden, AL5 has a total of 66 addresses. According to our analysis of all the public data, 11C, Douglas Road, Harpenden is the 9th largest and the 8th most expensive property on the street.

When compared to the postcode district it is £1.013m more expensive than the average property in AL5.

• St Nicholas CofE VA Primary School

  500 m away
• Roundwood Primary School

  600 m away
• Harpenden Academy

  800 m away

• St George's School

  700 m away
• Roundwood Park School

  700 m away
• Sir John Lawes School

  1.2 km away

• Harpenden

  |

  1.0 km away
• Luton Airport Parkway

  |

  6.2 km away
• Luton

  |

  7.7 km away

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