11B, Douglas Road, Harpenden occupies a 504 m² plot as recorded by HM Land Registry.

All 14 other houses in this postcode have recorded plot sizes, and this one ranks as the 10th largest.

11B, Douglas Road, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 16 Apr 2015.

The property is connected to mains gas and has mostly double glazing. It is heated using a boiler and radiators (mains gas).

11B, Douglas Road, Harpenden last changed hands on 26th January 2024, selling for £1,500,000. 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 10.3% since January 2024.

• Sold Jan 2024£1,500,000
• Sold Aug 2015£1,000,000

Land Registry records and our Estate Agent network show 89 sales of comparable properties within 660 metres of 11B, Douglas Road, Harpenden since 2012.

Most recently, 16, Hitherfield Lane, Harpenden, AL5 4JD, a freehold house, sold at £1,375,000 on the 15th July 2025.

Read more about house prices in AL5.

• Sold Jul 2025£1,375,000 | 4 Bed House16, Hitherfield Lane, Harpenden, AL5 4JD16, Hitherfield Lane, Harpenden, AL5 4JD
• Sold Feb 2025£1,325,000 | 4 Bed House3, Townsend Close, Harpenden, AL5 2RF3, Townsend Close, Harpenden, AL5 2RF
• Sold Jul 2024£1,325,000 | 4 Bed House1, Salisbury Avenue, Harpenden, AL5 2QQ1, Salisbury Avenue, Harpenden, AL5 2QQ
• Sold Jan 2024£1,375,000 | 4 Bed HouseCottage 1, The Bourne, Salisbury Avenue, Harpenden, AL5 2PSCottage 1, The Bourne, Salisbury Avenue, Harpenden, AL5 2PS
• Sold Nov 2023£850,500 | 4 Bed House35, Ambrose Lane, Harpenden, AL5 4BU35, Ambrose Lane, Harpenden, AL5 4BU
• Sold Aug 2023£1,515,000 | 4 Bed House8, Barns Dene, Harpenden, AL5 2HQ8, Barns Dene, Harpenden, AL5 2HQ
• Sold Feb 2023£1,425,000 | 4 Bed House9, Barns Dene, Harpenden, AL5 2HH9, Barns Dene, Harpenden, AL5 2HH
• Sold Dec 2022£1,560,100 | 4 Bed House14, Ambrose Lane, Harpenden, AL5 4AX14, Ambrose Lane, Harpenden, AL5 4AX
• Sold Dec 2022£1,515,000 | 4 Bed House39, Moreton End Lane, Harpenden, AL5 2HA39, Moreton End Lane, Harpenden, AL5 2HA
• Sold Jun 2022£1,285,000 | 4 Bed House6, Townsend Lane, Harpenden, AL5 2QE6, Townsend Lane, Harpenden, AL5 2QE
• Sold Apr 2022£1,465,000 | 4 Bed House14, Barns Dene, Harpenden, AL5 2HQ14, Barns Dene, Harpenden, AL5 2HQ
• 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 Feb 2021£800,000 | 4 Bed House47A, Luton Road, Harpenden, AL5 2UB47A, Luton Road, Harpenden, AL5 2UB
• Sold Jan 2021£1,220,000 | 4 Bed House16, Barns Dene, Harpenden, AL5 2HQ16, Barns Dene, Harpenden, AL5 2HQ
• Sold Dec 2020£868,000 | 4 Bed House17B, Douglas Road, Harpenden, AL5 2EN17B, Douglas Road, Harpenden, AL5 2EN
• Sold Sep 2020£1,100,000 | 4 Bed House6A, Moreton End Lane, Harpenden, AL5 2EX6A, Moreton End Lane, Harpenden, AL5 2EX
• Sold Apr 2019£1,100,000 | 4 Bed House11, Moreton Place, Harpenden, AL5 2UF11, Moreton Place, Harpenden, AL5 2UF
• Sold Aug 2015£950,000 | 4 Bed House35, Claygate Avenue, Harpenden, AL5 2HE35, Claygate Avenue, Harpenden, AL5 2HE
• Sold Oct 2012£980,000 | 4 Bed House11, Douglas Road, Harpenden, AL5 2EN11, Douglas Road, Harpenden, AL5 2EN

Our analysis of the public data ranks 11B, Douglas Road, Harpenden as the 26th largest and the 25th most expensive of the 66 addresses on Douglas Road, Harpenden, AL5.

Against the AL5 postcode district average, it is £438k more expensive than the typical property.

• 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

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