HM Land Registry records the plot of land for 30, Derwent Road, Harpenden as measuring 506 m².

That makes it the 4th largest plot in the postcode, where 12 of the 14 other houses have recorded plot data.

30, Derwent Road, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 27 Jan 2020.

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

The most recent sale of 30, Derwent Road, Harpenden completed on 30th September 2020 at £810,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 the property has sold 3 times.

Values of comparable properties have risen by 35.6% over the period since September 2020.

• Sold Sep 2020£810,000
• Sold Nov 2005£480,500
• Sold Mar 1996£176,500

Since 2012 177 properties similar to 30, Derwent Road, Harpenden have sold within a radius of 1.7 kilometres, per the Land Registry and our network of Estate Agents.

The latest, on the 9th January 2026, was 22, Kinsbourne Close, Harpenden, AL5 3PB, a freehold house which sold for £915,000.

Read more about house prices in AL5.

• Sold Jan 2026£915,000 | 4 Bed House22, Kinsbourne Close, Harpenden, AL5 3PB22, Kinsbourne Close, Harpenden, AL5 3PB
• Sold Dec 2025£850,000 | 4 Bed House2, Kinsbourne Close, Harpenden, AL5 3PB2, Kinsbourne Close, Harpenden, AL5 3PB
• Sold Nov 2025£752,370 | 4 Bed House341, Luton Road, Harpenden, AL5 3LZ341, Luton Road, Harpenden, AL5 3LZ
• Sold Mar 2025£940,000 | 4 Bed House24, Tintern Close, Harpenden, AL5 3NZ24, Tintern Close, Harpenden, AL5 3NZ
• Sold Feb 2025£687,500 | 4 Bed House16, Kinsbourne Close, Harpenden, AL5 3PB16, Kinsbourne Close, Harpenden, AL5 3PB
• Sold Jul 2024£850,000 | 4 Bed House3, Tintern Close, Harpenden, AL5 3NZ3, Tintern Close, Harpenden, AL5 3NZ
• Sold Feb 2024£850,000 | 4 Bed House19, Derwent Road, Harpenden, AL5 3PA19, Derwent Road, Harpenden, AL5 3PA
• Sold Jan 2024£690,000 | 4 Bed House18, Tintern Close, Harpenden, AL5 3NZ18, Tintern Close, Harpenden, AL5 3NZ
• Sold May 2023£835,000 | 4 Bed House1B, Kinsbourne Close, Harpenden, AL5 3PB1B, Kinsbourne Close, Harpenden, AL5 3PB
• Sold Jun 2022£910,550 | 4 Bed House46, Shepherds Way, Harpenden, AL5 3HF46, Shepherds Way, Harpenden, AL5 3HF
• Sold Apr 2022£875,500 | 4 Bed House1, Tintern Close, Harpenden, AL5 3NZ1, Tintern Close, Harpenden, AL5 3NZ
• Sold Jan 2022£950,000 | 4 Bed House38, The Close, Harpenden, AL5 3NB38, The Close, Harpenden, AL5 3NB
• Sold Oct 2021£876,000 | 4 Bed House64, Derwent Road, Harpenden, AL5 3NX64, Derwent Road, Harpenden, AL5 3NX
• Sold Aug 2021£735,000 | 4 Bed House40, Shepherds Way, Harpenden, AL5 3HF40, Shepherds Way, Harpenden, AL5 3HF
• Sold Aug 2020£735,000 | 4 Bed House1A, Kinsbourne Close, Harpenden, AL5 3PB1A, Kinsbourne Close, Harpenden, AL5 3PB
• Sold Dec 2019£770,000 | 4 Bed House32, Derwent Road, Harpenden, AL5 3NU32, Derwent Road, Harpenden, AL5 3NU
• Sold Apr 2019£550,000 | 4 Bed House15, Kinsbourne Close, Harpenden, AL5 3PB15, Kinsbourne Close, Harpenden, AL5 3PB
• Sold Dec 2016£705,000 | 4 Bed House14, Tintern Close, Harpenden, AL5 3NZ14, Tintern Close, Harpenden, AL5 3NZ
• Sold Apr 2015£663,000 | 4 Bed House6, Kinsbourne Close, Harpenden, AL5 3PB6, Kinsbourne Close, Harpenden, AL5 3PB
• Sold Oct 2012£550,000 | 4 Bed House3, Kinsbourne Close, Harpenden, AL5 3PB3, Kinsbourne Close, Harpenden, AL5 3PB

Of the 70 addresses on Derwent Road, Harpenden, AL5, 30, Derwent Road, Harpenden comes out as the 48th largest and the 61st most expensive in our analysis of the public data.

It is also £83k less expensive than the average property across the AL5 district.

• Wood End School

  600 m away
• Roundwood Primary School

  1.6 km away
• The Lea Primary School and Nursery

  2.3 km away

• Roundwood Park School

  1.5 km away
• St George's School

  2.5 km away
• Sir John Lawes School

  2.9 km away

• Harpenden

  |

  3.0 km away
• Luton Airport Parkway

  |

  4.8 km away
• Luton

  |

  6.1 km away

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