According to data from HM Land Registry, 18, Byron Road, Harpenden sits on a plot of 629 m².

We have plot size data on 9 out of 11 other houses in the postcode and 18, Byron Road, Harpenden sits on the 7th largest plot.

18, Byron Road, Harpenden has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 29 Jan 2024.

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, 18, Byron Road, Harpenden was last sold on 3rd October 2024 for £1,675,000 and was recorded as a freehold house.

The property has had 3 sales since 1995.

Since October 2024, the market for similar properties has dropped by 11.3%.

• Sold Oct 2024£1,675,000
• Sold Jul 2019£1,285,000
• Sold Jun 2002£575,000

According to the Land Registry and our network of Estate Agents, there have been 89 sales of properties similar to 18, Byron Road, Harpenden within a radius of 690 metres since 2012.

The most recent example is 17, Ox Lane, Harpenden, AL5 4HF, a freehold house which sold for £1,435,000 on the 14th November 2025.

Read more about house prices in AL5.

• Sold Nov 2025£1,435,000 | 5 Bed House17, Ox Lane, Harpenden, AL5 4HF17, Ox Lane, Harpenden, AL5 4HF
• Sold Apr 2025£1,675,000 | 5 Bed House11, Pigeonwick, Harpenden, AL5 4EZ11, Pigeonwick, Harpenden, AL5 4EZ
• Sold Mar 2025£1,715,000 | 5 Bed House26, Bloomfield Road, Harpenden, AL5 4DB26, Bloomfield Road, Harpenden, AL5 4DB
• Sold Apr 2024£1,600,000 | 5 Bed House10, Douglas Road, Harpenden, AL5 2EW10, Douglas Road, Harpenden, AL5 2EW
• 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 Jun 2021£1,578,000 | 5 Bed House12, Townsend Road, Harpenden, AL5 4BQ12, Townsend Road, Harpenden, AL5 4BQ
• Sold Mar 2021£1,250,000 | 5 Bed House5, Hollybush Mews, Harpenden, AL5 4FR5, Hollybush Mews, Harpenden, AL5 4FR
• Sold Feb 2021£1,200,000 | 5 Bed House8, Hollybush Mews, Harpenden, AL5 4FR8, Hollybush Mews, Harpenden, AL5 4FR
• Sold Oct 2020£1,701,777 | 5 Bed House7, Clarence Road, Harpenden, AL5 4AJ7, Clarence Road, Harpenden, AL5 4AJ
• Sold Aug 2020£1,325,000 | 5 Bed House7, Hollybush Mews, Harpenden, AL5 4FR7, Hollybush Mews, Harpenden, AL5 4FR
• Sold Aug 2020£1,325,000 | 5 Bed House6, Hollybush Mews, Harpenden, AL5 4FR6, Hollybush Mews, Harpenden, AL5 4FR
• Sold Jan 2020£1,521,000 | 5 Bed House44, Wordsworth Road, Harpenden, AL5 4AF44, Wordsworth Road, Harpenden, AL5 4AF
• Sold Dec 2019£1,525,000 | 5 Bed House31, Tennyson Road, Harpenden, AL5 4BD31, Tennyson Road, Harpenden, AL5 4BD
• Sold Jul 2019£1,650,000 | 5 Bed House37, Moreton End Lane, Harpenden, AL5 2EY37, Moreton End Lane, Harpenden, AL5 2EY
• Sold May 2019£1,387,500 | 5 Bed House10, Hales Meadow, Harpenden, AL5 4JB10, Hales Meadow, Harpenden, AL5 4JB
• Sold Oct 2018£1,425,000 | 5 Bed House30, Wordsworth Road, Harpenden, AL5 4AF30, Wordsworth Road, Harpenden, AL5 4AF
• Sold Sep 2018£1,525,000 | 5 Bed House7, Hales Meadow, Harpenden, AL5 4JB7, Hales Meadow, Harpenden, AL5 4JB
• Sold Jul 2017£1,560,000 | 5 Bed House7, Douglas Road, Harpenden, AL5 2EN7, Douglas Road, Harpenden, AL5 2EN
• Sold Aug 2012£590,000 | 5 Bed House9, Hillside Road, Harpenden, AL5 4BS9, Hillside Road, Harpenden, AL5 4BS

Byron Road, Harpenden, AL5 has a total of 19 addresses. According to our analysis of all the public data, 18, Byron Road, Harpenden is the 10th largest and the 7th most expensive property on the street.

When compared to the postcode district it is £713k more expensive than the average property in AL5.

• St Nicholas CofE VA Primary School

  600 m away
• Harpenden Academy

  800 m away
• Roundwood Primary School

  800 m away

• St George's School

  400 m away
• Roundwood Park School

  900 m away
• Sir John Lawes School

  1.0 km away

• Harpenden

  |

  1.0 km away
• Luton Airport Parkway

  |

  6.2 km away
• Luton

  |

  7.7 km away

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