According to data from HM Land Registry, 35, Cornwall Road, Harpenden sits on a plot of 623 m².

We have plot size data on 7 out of 18 other houses in the postcode and 35, Cornwall Road, Harpenden sits on the largest plot.

35, Cornwall Road, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 04 Jun 2015.

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

According to HM Land Registry, 35, Cornwall Road, Harpenden was last sold on 3rd November 2015 for £820,000 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since November 2015, the market for similar properties has risen by 10.9%.

• Sold Nov 2015£820,000

According to the Land Registry and our network of Estate Agents, there have been 65 sales of properties similar to 35, Cornwall Road, Harpenden within a radius of 630 metres since 2011.

The most recent example is 3, Gibbs Close, Harpenden, AL5 1FA, a freehold house which sold for £950,000 on the 18th September 2025.

Read more about house prices in AL5.

• Sold Sep 2025£950,000 | 4 Bed House3, Gibbs Close, Harpenden, AL5 1FA3, Gibbs Close, Harpenden, AL5 1FA
• Sold Sep 2025£860,000 | 3 Bed House2, Amberley Close, Harpenden, AL5 4TX2, Amberley Close, Harpenden, AL5 4TX
• Sold Jul 2025£1,150,000 | 3 Bed House33, Cowper Road, Harpenden, AL5 5NF33, Cowper Road, Harpenden, AL5 5NF
• Sold Jan 2025£967,000 | 3 Bed House35, Cowper Road, Harpenden, AL5 5NF35, Cowper Road, Harpenden, AL5 5NF
• Sold Sep 2024£875,000 | 4 Bed House84, Cowper Road, Harpenden, AL5 5NH84, Cowper Road, Harpenden, AL5 5NH
• Sold Jul 2024£985,000 | 4 Bed House45, Cowper Road, Harpenden, AL5 5NJ45, Cowper Road, Harpenden, AL5 5NJ
• Sold Mar 2024£905,000 | 4 Bed House14, Cornwall Road, Harpenden, AL5 4TH14, Cornwall Road, Harpenden, AL5 4TH
• Sold Mar 2024£1,000,000 | 4 Bed House26, Overstone Road, Harpenden, AL5 5PJ26, Overstone Road, Harpenden, AL5 5PJ
• Sold Feb 2024£1,673,500 | 4 Bed House12, West Way, Harpenden, AL5 4RD12, West Way, Harpenden, AL5 4RD
• Sold Jun 2023£1,100,000 | 4 Bed House62, Overstone Road, Harpenden, AL5 5PJ62, Overstone Road, Harpenden, AL5 5PJ
• Sold Dec 2022£1,210,000 | 3 Bed House12, Devonshire Road, Harpenden, AL5 4TJ12, Devonshire Road, Harpenden, AL5 4TJ
• Sold Dec 2022£1,025,000 | 4 Bed House6, Devonshire Road, Harpenden, AL5 4TJ6, Devonshire Road, Harpenden, AL5 4TJ
• Sold Mar 2022£1,000,000 | 4 Bed House15, Cornwall Road, Harpenden, AL5 4TQ15, Cornwall Road, Harpenden, AL5 4TQ
• Sold May 2021£875,000 | 3 Bed House4, Devonshire Road, Harpenden, AL5 4TJ4, Devonshire Road, Harpenden, AL5 4TJ
• Sold May 2021£905,000 | 3 Bed House5, Amberley Close, Harpenden, AL5 4TX5, Amberley Close, Harpenden, AL5 4TX
• Sold Jun 2019£720,000 | 4 Bed House18, Stewart Road, Harpenden, AL5 4QB18, Stewart Road, Harpenden, AL5 4QB
• Sold Jun 2019£667,500 | 3 Bed House2, Tennyson Road, Harpenden, AL5 4BB2, Tennyson Road, Harpenden, AL5 4BB
• Sold Oct 2018£842,500 | 4 Bed House1, Overstone Road, Harpenden, AL5 5PN1, Overstone Road, Harpenden, AL5 5PN
• Sold May 2012£500,000 | 4 Bed House27, Breadcroft Lane, Harpenden, AL5 4TE27, Breadcroft Lane, Harpenden, AL5 4TE
• Sold Jan 2011£725,000 | 3 Bed House4, Cornwall Road, Harpenden, AL5 4TH4, Cornwall Road, Harpenden, AL5 4TH

Cornwall Road, Harpenden, AL5 has a total of 31 addresses. According to our analysis of all the public data, 35, Cornwall Road, Harpenden is the 11th largest and the 7th most expensive property on the street.

When compared to the postcode district it is £83k more expensive than the average property in AL5.

• Harpenden Academy

  300 m away
• St Nicholas CofE VA Primary School

  500 m away
• Manland Primary School

  600 m away

• St George's School

  500 m away
• Sir John Lawes School

  600 m away
• Katherine Warington School

  1.4 km away

• Harpenden

  |

  400 m away
• Luton Airport Parkway

  |

  6.8 km away
• St Albans City

  |

  7.7 km away

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