HM Land Registry records the plot of land for 10, Douglas Road, Harpenden as measuring 298 m².

That makes it the 13th largest plot in the postcode, where all 13 other houses have recorded plot data.

10, Douglas Road, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 09 Jun 2022.

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

The most recent sale of 10, Douglas Road, Harpenden completed on 3rd April 2024 at £1,600,000 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 26.0% over the period since April 2024.

• Sold Apr 2024£1,600,000

Since 2013 86 properties similar to 10, Douglas Road, Harpenden have sold within a radius of 660 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 10th September 2025, was 14, Bloomfield Road, Harpenden, AL5 4DB, a freehold house which sold for £1,860,000.

Read more about house prices in AL5.

• Sold Sep 2025£1,860,000 | 5 Bed House14, Bloomfield Road, Harpenden, AL5 4DB14, Bloomfield Road, Harpenden, AL5 4DB
• Sold Mar 2025£1,715,000 | 5 Bed House26, Bloomfield Road, Harpenden, AL5 4DB26, Bloomfield Road, Harpenden, AL5 4DB
• Sold Oct 2024£1,675,000 | 5 Bed House18, Byron Road, Harpenden, AL5 4AB18, Byron Road, Harpenden, AL5 4AB
• Sold Apr 2024£1,255,000 | 5 Bed House11, Lambourn Gardens, Harpenden, AL5 4DQ11, Lambourn Gardens, Harpenden, AL5 4DQ
• Sold Jun 2023£1,600,000 | 5 Bed House5, Douglas Road, Harpenden, AL5 2EN5, Douglas Road, Harpenden, AL5 2EN
• Sold Feb 2023£1,355,000 | 5 Bed House1, Hillside Road, Harpenden, AL5 4BS1, Hillside Road, Harpenden, AL5 4BS
• Sold Dec 2022£1,800,000 | 5 Bed House24, Longcroft Avenue, Harpenden, AL5 2QZ24, Longcroft Avenue, Harpenden, AL5 2QZ
• Sold Dec 2022£1,717,500 | 5 Bed House22A, Douglas Road, Harpenden, AL5 2EW22A, Douglas Road, Harpenden, AL5 2EW
• Sold Feb 2022£1,500,000 | 5 Bed House62, Luton Road, Harpenden, AL5 2UR62, Luton Road, Harpenden, AL5 2UR
• Sold Nov 2020£1,504,000 | 5 Bed House5, Clarence Road, Harpenden, AL5 4AJ5, Clarence Road, Harpenden, AL5 4AJ
• Sold Oct 2020£1,701,777 | 5 Bed House7, Clarence Road, Harpenden, AL5 4AJ7, Clarence Road, Harpenden, AL5 4AJ
• Sold Jan 2020£1,521,000 | 5 Bed House44, Wordsworth Road, Harpenden, AL5 4AF44, Wordsworth Road, Harpenden, AL5 4AF
• Sold Jul 2019£1,650,000 | 5 Bed House37, Moreton End Lane, Harpenden, AL5 2EY37, Moreton End Lane, Harpenden, AL5 2EY
• Sold Apr 2019£1,525,000 | 5 Bed House7, Hollybush Lane, Harpenden, AL5 4AL7, Hollybush Lane, Harpenden, AL5 4AL
• Sold Oct 2018£1,425,000 | 5 Bed House30, Wordsworth Road, Harpenden, AL5 4AF30, Wordsworth Road, Harpenden, AL5 4AF
• Sold Sep 2017£1,350,000 | 5 Bed House44, Luton Road, Harpenden, AL5 2UJ44, Luton Road, Harpenden, AL5 2UJ
• Sold Sep 2017£1,625,000 | 5 Bed House9, Clarence Road, Harpenden, AL5 4AJ9, Clarence Road, Harpenden, AL5 4AJ
• Sold Jul 2017£1,560,000 | 5 Bed House7, Douglas Road, Harpenden, AL5 2EN7, Douglas Road, Harpenden, AL5 2EN
• Sold Aug 2015£1,540,000 | 5 Bed House19, Clarence Road, Harpenden, AL5 4AJ19, Clarence Road, Harpenden, AL5 4AJ
• Sold Jul 2013£1,125,000 | 5 Bed House1, Douglas Road, Harpenden, AL5 2EN1, Douglas Road, Harpenden, AL5 2EN

Of the 66 addresses on Douglas Road, Harpenden, AL5, 10, Douglas Road, Harpenden comes out as the 12th largest and the 19th most expensive in our analysis of the public data.

It is also £718k more expensive than the average property across the AL5 district.

• St Nicholas CofE VA Primary School

  600 m away
• Roundwood Primary School

  600 m away
• Harpenden Academy

  900 m away

• Roundwood Park School

  700 m away
• St George's 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

  |

  7.6 km away

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