3, Gibbs Close, Harpenden has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 14 May 2019.

The property is not connected to mains gas and has high performance glazing. It is heated using a boiler and radiators (mains gas).

The most recent sale of 3, Gibbs Close, Harpenden completed on 18th September 2025 at £950,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 the property has sold twice.

Values of comparable properties have dropped by 14.6% over the period since September 2025.

• Sold Sep 2025£950,000
• Sold Dec 2020£765,000

Since 2017 97 properties similar to 3, Gibbs Close, Harpenden have sold within a radius of 630 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 27th November 2025, was Torwood, Breadcroft Lane, Harpenden, AL5 4TE, a freehold house which sold for £995,000.

Read more about house prices in AL5.

• Sold Nov 2025£995,000 | 4 Bed HouseTorwood, Breadcroft Lane, Harpenden, AL5 4TETorwood, Breadcroft Lane, Harpenden, AL5 4TE
• Sold Nov 2025£1,225,000 | 4 Bed House47, Cowper Road, Harpenden, AL5 5NJ47, Cowper Road, Harpenden, AL5 5NJ
• Sold Sep 2025£935,000 | 3 Bed House3, Sir Josephs Walk, Harpenden, AL5 2DT3, Sir Josephs Walk, Harpenden, AL5 2DT
• 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 Apr 2024£980,000 | 3 Bed House13, Gibbs Close, Harpenden, AL5 1FA13, Gibbs Close, Harpenden, AL5 1FA
• 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£840,000 | 4 Bed House20, Sir Josephs Walk, Harpenden, AL5 2DT20, Sir Josephs Walk, Harpenden, AL5 2DT
• Sold Sep 2023£1,080,000 | 4 Bed House21, Sir Josephs Walk, Harpenden, AL5 2DT21, Sir Josephs Walk, Harpenden, AL5 2DT
• Sold Aug 2023£875,000 | 3 Bed House4, Sir Josephs Walk, Harpenden, AL5 2DT4, Sir Josephs Walk, Harpenden, AL5 2DT
• Sold Sep 2022£815,000 | 4 Bed House43, Crabtree Lane, Harpenden, AL5 5NT43, Crabtree Lane, Harpenden, AL5 5NT
• Sold Sep 2022£1,050,000 | 3 Bed House12, Arden Grove, Harpenden, AL5 4SJ12, Arden Grove, Harpenden, AL5 4SJ
• Sold Dec 2020£700,000 | 4 Bed House7, Gibbs Close, Harpenden, AL5 1FA7, Gibbs Close, Harpenden, AL5 1FA
• Sold Nov 2020£790,000 | 3 Bed House18, Sir Josephs Walk, Harpenden, AL5 2DT18, Sir Josephs Walk, Harpenden, AL5 2DT
• Sold Dec 2019£768,000 | 4 Bed House46, Cowper Road, Harpenden, AL5 5NG46, Cowper Road, Harpenden, AL5 5NG
• Sold May 2019£780,000 | 4 Bed House19, Sir Josephs Walk, Harpenden, AL5 2DT19, Sir Josephs Walk, Harpenden, AL5 2DT
• Sold Feb 2017£1,015,000 | 4 Bed House2, Sir Josephs Walk, Harpenden, AL5 2DT2, Sir Josephs Walk, Harpenden, AL5 2DT

Of the 37 addresses on Gibbs Close, Harpenden, AL5, 3, Gibbs Close, Harpenden comes out as the 27th largest and the 19th most expensive in our analysis of the public data.

It is also £85k more expensive than the average property across the AL5 district.

• St Dominic Catholic Primary School

  100 m away
• Harpenden Academy

  300 m away
• St Nicholas CofE VA Primary School

  600 m away

• St George's School

  1.0 km away
• Sir John Lawes School

  1.1 km away
• Roundwood Park School

  1.6 km away

• Harpenden

  |

  200 m away
• St Albans City

  |

  7.2 km away
• Luton Airport Parkway

  |

  7.3 km away

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