28, Hillside Road, Harpenden occupies a 451 m² plot as recorded by HM Land Registry.

All 14 other houses in this postcode have recorded plot sizes, and this one ranks as the 7th largest.

28, Hillside Road, Harpenden has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 29 May 2009.

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

28, Hillside Road, Harpenden last changed hands on 6th November 2009, selling for £850,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold 3 times since 1995.

The market for similar properties has risen by 94.5% since November 2009.

• Sold Nov 2009£850,000
• Sold Dec 2006£880,000
• Sold Oct 1996£220,000

Land Registry records and our Estate Agent network show 22 sales of comparable properties within 770 metres of 28, Hillside Road, Harpenden since 2010.

Most recently, 7, Moreton Place, Harpenden, AL5 2UF, a freehold house, sold at £1,925,000 on the 13th January 2026.

Read more about house prices in AL5.

• Sold Jan 2026£1,925,000 | 5 Bed House7, Moreton Place, Harpenden, AL5 2UF7, Moreton Place, Harpenden, AL5 2UF
• Sold Sep 2025£1,950,000 | 5 Bed House5 Cooters Hill Barns, Cooters End Lane, Harpenden, AL5 3NR5 Cooters Hill Barns, Cooters End Lane, Harpenden, AL5 3NR
• Sold Sep 2025£1,685,000 | 5 Bed House1, Jameson Road, Harpenden, AL5 4HG1, Jameson Road, Harpenden, AL5 4HG
• Sold Mar 2025£1,715,000 | 5 Bed House26, Bloomfield Road, Harpenden, AL5 4DB26, Bloomfield Road, Harpenden, AL5 4DB
• Sold Jun 2022£1,645,000 | 5 Bed House14, Moreton End Lane, Harpenden, AL5 2EX14, Moreton End Lane, Harpenden, AL5 2EX
• Sold Nov 2021£1,100,000 | 5 Bed House15, Jameson Road, Harpenden, AL5 4HG15, Jameson Road, Harpenden, AL5 4HG
• Sold Nov 2021£1,835,000 | 5 Bed House4, Douglas Road, Harpenden, AL5 2EW4, Douglas Road, Harpenden, AL5 2EW
• Sold Sep 2021£1,860,000 | 5 Bed House49, Luton Road, Harpenden, AL5 2UB49, Luton Road, Harpenden, AL5 2UB
• Sold Jun 2021£2,150,000 | 5 Bed House20, Byron Road, Harpenden, AL5 4AB20, Byron Road, Harpenden, AL5 4AB
• Sold Jun 2021£1,392,000 | 5 Bed House12, Roundwood Gardens, Harpenden, AL5 3AJ12, Roundwood Gardens, Harpenden, AL5 3AJ
• Sold Apr 2021£1,850,000 | 5 Bed House23, Townsend Road, Harpenden, AL5 4BG23, Townsend Road, Harpenden, AL5 4BG
• Sold May 2019£1,600,000 | 5 Bed House16, Wordsworth Road, Harpenden, AL5 4AF16, Wordsworth Road, Harpenden, AL5 4AF
• Sold Mar 2019£1,800,000 | 5 Bed House55, Luton Road, Harpenden, AL5 2UE55, Luton Road, Harpenden, AL5 2UE
• Sold Sep 2017£1,350,000 | 5 Bed House44, Luton Road, Harpenden, AL5 2UJ44, Luton Road, Harpenden, AL5 2UJ
• Sold Jul 2016£1,165,000 | 5 Bed House1 Cooters Hill Barns, Cooters End Lane, Harpenden, AL5 3NR1 Cooters Hill Barns, Cooters End Lane, Harpenden, AL5 3NR
• Sold Feb 2015£1,470,000 | 5 Bed House15, Moreton End Lane, Harpenden, AL5 2EY15, Moreton End Lane, Harpenden, AL5 2EY
• Sold May 2014£1,200,000 | 5 Bed House9 Southgate Court, Luton Road, Harpenden, AL5 2UG9 Southgate Court, Luton Road, Harpenden, AL5 2UG
• Sold Mar 2013£1,410,000 | 5 Bed House3 Cooters Hill Barns, Cooters End Lane, Harpenden, AL5 3NR3 Cooters Hill Barns, Cooters End Lane, Harpenden, AL5 3NR
• Sold Sep 2010£680,000 | 5 Bed House8, Lambourn Gardens, Harpenden, AL5 4DQ8, Lambourn Gardens, Harpenden, AL5 4DQ
• Sold Jul 2010£1,350,000 | 5 Bed House7, Malbec Close, Harpenden, AL5 4FF7, Malbec Close, Harpenden, AL5 4FF

Our analysis of the public data ranks 28, Hillside Road, Harpenden as the 3rd largest and the 3rd most expensive of the 81 addresses on Hillside Road, Harpenden, AL5.

Against the AL5 postcode district average, it is £725k more expensive than the typical property.

• Roundwood Primary School

  800 m away
• The Lea Primary School and Nursery

  800 m away
• St Nicholas CofE VA Primary School

  900 m away

• St George's School

  700 m away
• Roundwood Park School

  800 m away
• Sir John Lawes School

  1.2 km away

• Harpenden

  |

  1.3 km away
• Luton Airport Parkway

  |

  5.8 km away
• Luton

  |

  7.3 km away

Environment Agency data suggests this area has a Very Low risk of flooding.