According to data from HM Land Registry, 5A, How Field, Harpenden sits on a plot of 357 m².

We have plot size data on 12 out of 12 other houses in the postcode and 5A, How Field, Harpenden sits on the 11th largest plot.

5A, How Field, Harpenden has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 05 May 2026.

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

According to HM Land Registry, 5A, How Field, Harpenden was last sold on 29th January 2008 for £700,000 and was recorded as a freehold house.

The property has had 3 sales since 1995.

Since January 2008, the market for similar properties has risen by 89.9%.

• Sold Jan 2008£700,000
• Sold May 2006£695,000
• Sold Jun 2000£450,000

According to the Land Registry and our network of Estate Agents, there have been 174 sales of properties similar to 5A, How Field, Harpenden within a radius of 850 metres since 2009.

The most recent example is 3, How Field, Harpenden, AL5 3AU, a freehold house which sold for £1,150,000 on the 17th December 2025.

Read more about house prices in AL5.

• Sold Dec 2025£1,150,000 | 4 Bed House3, How Field, Harpenden, AL5 3AU3, How Field, Harpenden, AL5 3AU
• Sold Nov 2025£1,095,000 | 4 Bed House44, Park Mount, Harpenden, AL5 3AR44, Park Mount, Harpenden, AL5 3AR
• Sold Jul 2025£1,305,000 | 4 Bed House12, Bloomfield Road, Harpenden, AL5 4DB12, Bloomfield Road, Harpenden, AL5 4DB
• Sold Mar 2025£1,020,000 | 4 Bed House10, Park Mount, Harpenden, AL5 3AR10, Park Mount, Harpenden, AL5 3AR
• Sold Jan 2025£1,300,000 | 5 Bed House8, How Field, Harpenden, AL5 3AU8, How Field, Harpenden, AL5 3AU
• Sold Nov 2024£1,300,000 | 4 Bed House12A, Bloomfield Road, Harpenden, AL5 4DB12A, Bloomfield Road, Harpenden, AL5 4DB
• Sold Oct 2024£1,225,000 | 4 Bed House11, Roundwood Gardens, Harpenden, AL5 3AJ11, Roundwood Gardens, Harpenden, AL5 3AJ
• Sold Jun 2024£950,000 | 4 Bed House31, Yeomans Avenue, Harpenden, AL5 3EH31, Yeomans Avenue, Harpenden, AL5 3EH
• Sold Mar 2024£1,287,500 | 4 Bed House49, Hillside Road, Harpenden, AL5 4BS49, Hillside Road, Harpenden, AL5 4BS
• Sold May 2023£1,010,000 | 4 Bed House37, Ridgewood Drive, Harpenden, AL5 3LJ37, Ridgewood Drive, Harpenden, AL5 3LJ
• Sold Sep 2022£1,250,000 | 4 Bed House5, Otterton Close, Harpenden, AL5 3BE5, Otterton Close, Harpenden, AL5 3BE
• Sold Aug 2022£1,342,500 | 4 Bed House16, Falconers Field, Harpenden, AL5 3ES16, Falconers Field, Harpenden, AL5 3ES
• Sold Aug 2022£1,291,101 | 4 Bed House20, Park Rise, Harpenden, AL5 3AL20, Park Rise, Harpenden, AL5 3AL
• Sold Mar 2022£1,325,000 | 4 Bed House58, Roundwood Lane, Harpenden, AL5 3EP58, Roundwood Lane, Harpenden, AL5 3EP
• Sold Feb 2021£975,000 | 4 Bed House16, Ridgewood Gardens, Harpenden, AL5 3NN16, Ridgewood Gardens, Harpenden, AL5 3NN
• Sold May 2019£850,000 | 4 Bed House9A, How Field, Harpenden, AL5 3AU9A, How Field, Harpenden, AL5 3AU
• Sold Apr 2019£800,000 | 4 Bed House50, Park Mount, Harpenden, AL5 3AR50, Park Mount, Harpenden, AL5 3AR
• Sold Feb 2019£840,000 | 4 Bed House9, Ridgewood Gardens, Harpenden, AL5 3NN9, Ridgewood Gardens, Harpenden, AL5 3NN
• Sold Aug 2018£1,100,000 | 4 Bed House28, Park Rise, Harpenden, AL5 3AL28, Park Rise, Harpenden, AL5 3AL
• Sold Dec 2009£710,000 | 4 Bed House2, How Field, Harpenden, AL5 3AU2, How Field, Harpenden, AL5 3AU

How Field, Harpenden, AL5 has a total of 12 addresses. According to our analysis of all the public data, 5A, How Field, Harpenden is the 6th largest and the 6th most expensive property on the street.

When compared to the postcode district it is £232k more expensive than the average property in AL5.

• Roundwood Primary School

  600 m away
• Wood End School

  600 m away
• St Nicholas CofE VA Primary School

  1.3 km away

• Roundwood Park School

  500 m away
• St George's School

  1.4 km away
• Sir John Lawes School

  1.9 km away

• Harpenden

  |

  1.8 km away
• Luton Airport Parkway

  |

  5.6 km away
• Luton

  |

  7.0 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.