27, Hillside Road, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 24 Apr 2012.

The property is not 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 27, Hillside Road, Harpenden completed on 18th January 2013 at £725,000 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 47.0% over the period since January 2013.

• Sold Jan 2013£725,000
• Sold May 1998£245,000
• Sold Nov 1996£195,000

Since 2011 92 properties similar to 27, Hillside Road, Harpenden have sold within a radius of 780 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 27th April 2026, was 25, Moreton End Lane, Harpenden, AL5 2EY, a freehold house which sold for £1,160,000.

Read more about house prices in AL5.

• Sold Apr 2026£1,160,000 | 4 Bed House25, Moreton End Lane, Harpenden, AL5 2EY25, Moreton End Lane, Harpenden, AL5 2EY
• Sold Dec 2025£1,130,000 | 4 Bed House1, Byron Road, Harpenden, AL5 4AD1, Byron Road, Harpenden, AL5 4AD
• Sold Oct 2025£1,200,000 | 4 Bed House46, Bloomfield Road, Harpenden, AL5 4DB46, Bloomfield Road, Harpenden, AL5 4DB
• Sold Apr 2025£1,140,000 | 4 Bed House40, Tennyson Road, Harpenden, AL5 4BB40, Tennyson Road, Harpenden, AL5 4BB
• Sold Aug 2024£985,000 | 4 Bed House4, Hillside Road, Harpenden, AL5 4BT4, Hillside Road, Harpenden, AL5 4BT
• Sold Apr 2024£927,000 | 4 Bed House41, Ambrose Lane, Harpenden, AL5 4BU41, Ambrose Lane, Harpenden, AL5 4BU
• Sold Nov 2023£735,000 | 4 Bed House20, Park Hill, Harpenden, AL5 3AT20, Park Hill, Harpenden, AL5 3AT
• Sold Aug 2023£1,150,000 | 4 Bed House3, Hillside Road, Harpenden, AL5 4BS3, Hillside Road, Harpenden, AL5 4BS
• Sold Dec 2021£1,204,000 | 4 Bed House2, Lambourn Gardens, Harpenden, AL5 4DQ2, Lambourn Gardens, Harpenden, AL5 4DQ
• Sold Oct 2021£885,000 | 4 Bed House50A, Park Mount, Harpenden, AL5 3AR50A, Park Mount, Harpenden, AL5 3AR
• Sold May 2021£1,095,000 | 4 Bed House6, Roundwood Lane, Harpenden, AL5 3BZ6, Roundwood Lane, Harpenden, AL5 3BZ
• Sold Dec 2019£840,000 | 4 Bed House44, Park Rise, Harpenden, AL5 3AL44, Park Rise, Harpenden, AL5 3AL
• Sold Nov 2019£800,000 | 4 Bed House51, Moreton End Lane, Harpenden, AL5 2HA51, Moreton End Lane, Harpenden, AL5 2HA
• Sold Aug 2019£800,000 | 4 Bed House89, Luton Road, Harpenden, AL5 3BA89, Luton Road, Harpenden, AL5 3BA
• Sold Jul 2019£675,000 | 4 Bed House14, Park Rise, Harpenden, AL5 3AH14, Park Rise, Harpenden, AL5 3AH
• Sold Sep 2018£440,000 | 4 Bed House17, Lambourn Gardens, Harpenden, AL5 4DQ17, Lambourn Gardens, Harpenden, AL5 4DQ
• Sold Oct 2017£875,000 | 4 Bed House28, Wordsworth Road, Harpenden, AL5 4AF28, Wordsworth Road, Harpenden, AL5 4AF
• Sold Sep 2016£825,000 | 4 Bed House4, Lambourn Gardens, Harpenden, AL5 4DQ4, Lambourn Gardens, Harpenden, AL5 4DQ
• Sold Jul 2011£825,000 | 4 Bed House31, Hillside Road, Harpenden, AL5 4BS31, Hillside Road, Harpenden, AL5 4BS
• Sold Jul 2011£700,000 | 4 Bed House32, Bloomfield Road, Harpenden, AL5 4DB32, Bloomfield Road, Harpenden, AL5 4DB

Of the 81 addresses on Hillside Road, Harpenden, AL5, 27, Hillside Road, Harpenden comes out as the 29th largest and the 27th most expensive in our analysis of the public data.

It is also £133k more expensive than the average property across the AL5 district.

• 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

  |

  1.4 km away
• Luton Airport Parkway

  |

  5.8 km away
• Luton

  |

  7.3 km away

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