HM Land Registry records the plot of land for 10, Devonshire Road, Harpenden as measuring 822 m².

That makes it the largest plot in the postcode, where all 12 other houses have recorded plot data.

10, Devonshire Road, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 04 Nov 2025.

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

The most recent sale of 10, Devonshire Road, Harpenden completed on 30th July 2019 at £1,694,500 and was recorded by HM Land Registry as a freehold house.

Since 1995 the property has sold twice.

Values of comparable properties have risen by 4.9% over the period since July 2019.

• Sold Jul 2019£1,694,500
• Sold Jan 2010£1,275,562

Since 2007 21 properties similar to 10, Devonshire Road, Harpenden have sold within a radius of 620 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 11th August 2025, was 16, Bowers Way, Harpenden, AL5 4EW, a freehold house which sold for £2,242,800.

Read more about house prices in AL5.

• Sold Aug 2025£2,242,800 | 5 Bed House16, Bowers Way, Harpenden, AL5 4EW16, Bowers Way, Harpenden, AL5 4EW
• Sold Dec 2024£1,620,000 | 5 Bed House16, West Way, Harpenden, AL5 4RD16, West Way, Harpenden, AL5 4RD
• Sold Aug 2024£2,200,000 | 5 Bed House53, Milton Road, Harpenden, AL5 5LX53, Milton Road, Harpenden, AL5 5LX
• Sold Aug 2024£2,100,000 | 5 Bed House65, Dalkeith Road, Harpenden, AL5 5PP65, Dalkeith Road, Harpenden, AL5 5PP
• Sold May 2024£2,000,000 | 5 Bed House10, Grasmere Avenue, Harpenden, AL5 5PS10, Grasmere Avenue, Harpenden, AL5 5PS
• Sold Oct 2023£2,250,000 | 5 Bed House13, Elliswick Road, Harpenden, AL5 4TP13, Elliswick Road, Harpenden, AL5 4TP
• Sold Aug 2023£1,825,000 | 5 Bed House21, West Way, Harpenden, AL5 4RD21, West Way, Harpenden, AL5 4RD
• Sold Jun 2023£2,000,000 | 5 Bed House15, Grasmere Avenue, Harpenden, AL5 5PT15, Grasmere Avenue, Harpenden, AL5 5PT
• Sold May 2023£1,350,000 | 5 Bed House11, Fallows Green, Harpenden, AL5 4HD11, Fallows Green, Harpenden, AL5 4HD
• Sold Aug 2022£2,200,000 | 5 Bed House13, Browning Road, Harpenden, AL5 4TS13, Browning Road, Harpenden, AL5 4TS
• Sold Oct 2019£1,750,000 | 5 Bed House58, Stewart Road, Harpenden, AL5 4QB58, Stewart Road, Harpenden, AL5 4QB
• Sold May 2019£1,700,000 | 5 Bed House6, Walnut Close, Harpenden, AL5 4FP6, Walnut Close, Harpenden, AL5 4FP
• Sold May 2019£1,000,000 | 5 Bed House6, Stewart Road, Harpenden, AL5 4QB6, Stewart Road, Harpenden, AL5 4QB
• Sold Jun 2015£1,795,000 | 5 Bed House7, Manland Avenue, Harpenden, AL5 4RG7, Manland Avenue, Harpenden, AL5 4RG
• Sold Oct 2014£1,400,000 | 5 Bed House16, Sun Lane, Harpenden, AL5 4EU16, Sun Lane, Harpenden, AL5 4EU
• Sold Apr 2014£1,675,000 | 5 Bed House6, Manland Avenue, Harpenden, AL5 4RF6, Manland Avenue, Harpenden, AL5 4RF
• Sold Aug 2013£1,200,000 | 5 Bed House1, Elliswick Road, Harpenden, AL5 4TP1, Elliswick Road, Harpenden, AL5 4TP
• Sold Oct 2012£1,525,000 | 5 Bed House11, Elliswick Road, Harpenden, AL5 4TP11, Elliswick Road, Harpenden, AL5 4TP
• Sold Jul 2011£1,610,000 | 5 Bed House3, West Way, Harpenden, AL5 4RD3, West Way, Harpenden, AL5 4RD
• Sold Apr 2007£1,350,000 | 5 Bed House21, Elliswick Road, Harpenden, AL5 4TP21, Elliswick Road, Harpenden, AL5 4TP

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

It is also £1.129m more expensive than the average property across the AL5 district.

• Harpenden Academy

  300 m away
• St Nicholas CofE VA Primary School

  500 m away
• St Dominic Catholic Primary School

  600 m away

• St George's School

  600 m away
• Sir John Lawes School

  700 m away
• Katherine Warington School

  1.4 km away

• Harpenden

  |

  300 m away
• Luton Airport Parkway

  |

  6.9 km away
• St Albans City

  |

  7.6 km away

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