HM Land Registry records the plot of land for 4, Willoughby Road, Harpenden as measuring 245 m².

That makes it the 9th largest plot in the postcode, where 19 of the 20 other houses have recorded plot data.

4, Willoughby Road, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 01 Dec 2017.

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 4, Willoughby Road, Harpenden completed on 4th September 2020 at £460,000 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 risen by 33.3% over the period since September 2020.

• Sold Sep 2020£460,000

Since 2013 111 properties similar to 4, Willoughby Road, Harpenden have sold within a radius of 600 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 9th January 2026, was 1, Saxon Close, Harpenden, AL5 5HT, a freehold house which sold for £625,000.

Read more about house prices in AL5.

• Sold Jan 2026£625,000 | 3 Bed House1, Saxon Close, Harpenden, AL5 5HT1, Saxon Close, Harpenden, AL5 5HT
• Sold Aug 2025£643,000 | 3 Bed House22, Willoughby Road, Harpenden, AL5 4PF22, Willoughby Road, Harpenden, AL5 4PF
• Sold Jul 2025£775,000 | 3 Bed House5, Wroxham Way, Harpenden, AL5 4PP5, Wroxham Way, Harpenden, AL5 4PP
• Sold Mar 2025£770,000 | 3 Bed House41, Coldharbour Lane, Harpenden, AL5 4NF41, Coldharbour Lane, Harpenden, AL5 4NF
• Sold Feb 2025£755,000 | 3 Bed House33, Wroxham Way, Harpenden, AL5 4PP33, Wroxham Way, Harpenden, AL5 4PP
• Sold Jul 2024£685,000 | 3 Bed House58, Waveney Road, Harpenden, AL5 4QY58, Waveney Road, Harpenden, AL5 4QY
• Sold Jun 2024£650,000 | 3 Bed House17, Coldharbour Lane, Harpenden, AL5 4NQ17, Coldharbour Lane, Harpenden, AL5 4NQ
• Sold Nov 2023£680,000 | 3 Bed House18, St. James Road, Harpenden, AL5 4PB18, St. James Road, Harpenden, AL5 4PB
• Sold Aug 2023£800,000 | 3 Bed House41, St. James Road, Harpenden, AL5 4PB41, St. James Road, Harpenden, AL5 4PB
• Sold Jul 2023£680,000 | 3 Bed House5, Riverford Close, Harpenden, AL5 4LX5, Riverford Close, Harpenden, AL5 4LX
• Sold Jun 2023£495,000 | 3 Bed House35, Noke Shot, Harpenden, AL5 5HS35, Noke Shot, Harpenden, AL5 5HS
• Sold Apr 2023£798,000 | 3 Bed House3, Willoughby Road, Harpenden, AL5 4PF3, Willoughby Road, Harpenden, AL5 4PF
• Sold Mar 2023£1,000,000 | 3 Bed House13, Wroxham Way, Harpenden, AL5 4PP13, Wroxham Way, Harpenden, AL5 4PP
• Sold Mar 2022£720,000 | 3 Bed House15, Oulton Rise, Harpenden, AL5 4PL15, Oulton Rise, Harpenden, AL5 4PL
• Sold Jul 2021£565,000 | 3 Bed House40, Waveney Road, Harpenden, AL5 4QY40, Waveney Road, Harpenden, AL5 4QY
• Sold Jun 2021£560,000 | 3 Bed House24, Waveney Road, Harpenden, AL5 4QY24, Waveney Road, Harpenden, AL5 4QY
• Sold Mar 2021£775,000 | 3 Bed House21, Wroxham Way, Harpenden, AL5 4PP21, Wroxham Way, Harpenden, AL5 4PP
• Sold Oct 2019£607,500 | 3 Bed House11, Wroxham Way, Harpenden, AL5 4PP11, Wroxham Way, Harpenden, AL5 4PP
• Sold Jul 2019£600,000 | 3 Bed House12, Willoughby Road, Harpenden, AL5 4PF12, Willoughby Road, Harpenden, AL5 4PF
• Sold Sep 2013£450,000 | 3 Bed House3, Oulton Rise, Harpenden, AL5 4PL3, Oulton Rise, Harpenden, AL5 4PL

Of the 43 addresses on Willoughby Road, Harpenden, AL5, 4, Willoughby Road, Harpenden comes out as the 26th largest and the 32nd most expensive in our analysis of the public data.

It is also £292k less expensive than the average property across the AL5 district.

• Manland Primary School

  300 m away
• The Lea Primary School and Nursery

  600 m away
• Sauncey Wood Primary School

  700 m away

• Sir John Lawes School

  400 m away
• St George's School

  700 m away
• Katherine Warington School

  1.1 km away

• Harpenden

  |

  1.3 km away
• Luton Airport Parkway

  |

  6.2 km away
• Luton

  |

  7.8 km away

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