According to data from HM Land Registry, 3, Stonemason Close, Harpenden sits on a plot of 103 m².

We have plot size data on 4 out of 4 other houses in the postcode and 3, Stonemason Close, Harpenden sits on the 3rd largest plot.

3, Stonemason Close, Harpenden has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 30 Jul 2009.

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, 3, Stonemason Close, Harpenden was last sold on 15th March 2019 for £365,000 and was recorded as a freehold house.

The property has had 3 sales since 1995.

Since March 2019, the market for similar properties has risen by 27.9%.

• Sold Mar 2019£365,000
• Sold Nov 2009£248,000
• Sold Nov 1996£84,500

According to the Land Registry and our network of Estate Agents, there have been 25 sales of properties similar to 3, Stonemason Close, Harpenden within a radius of 750 metres since 2013.

The most recent example is 17, Masefield Road, Harpenden, AL5 4JS, a freehold house which sold for £475,000 on the 19th September 2025.

Read more about house prices in AL5.

• Sold Sep 2025£475,000 | 3 Bed House17, Masefield Road, Harpenden, AL5 4JS17, Masefield Road, Harpenden, AL5 4JS
• Sold Mar 2025£495,000 | 2 Bed House35, Coldharbour Lane, Harpenden, AL5 4NF35, Coldharbour Lane, Harpenden, AL5 4NF
• Sold Mar 2025£427,000 | 2 Bed House2, Westfield Place, Harpenden, AL5 4LS2, Westfield Place, Harpenden, AL5 4LS
• Sold Mar 2025£485,000 | 3 Bed House37, Coldharbour Lane, Harpenden, AL5 4NF37, Coldharbour Lane, Harpenden, AL5 4NF
• Sold Jun 2024£440,000 | 2 Bed House39, Coldharbour Lane, Harpenden, AL5 4NF39, Coldharbour Lane, Harpenden, AL5 4NF
• Sold May 2024£490,000 | 3 Bed House6, Riverbanks Close, Harpenden, AL5 5EJ6, Riverbanks Close, Harpenden, AL5 5EJ
• Sold Feb 2024£490,000 | 2 Bed House4, Stonemason Close, Harpenden, AL5 4GB4, Stonemason Close, Harpenden, AL5 4GB
• Sold Nov 2023£515,000 | 3 Bed House37, Wroxham Way, Harpenden, AL5 4PR37, Wroxham Way, Harpenden, AL5 4PR
• Sold Sep 2021£487,500 | 2 Bed House10, Wroxham Way, Harpenden, AL5 4PP10, Wroxham Way, Harpenden, AL5 4PP
• Sold Oct 2019£369,000 | 2 Bed House75, Coldharbour Lane, Harpenden, AL5 4NF75, Coldharbour Lane, Harpenden, AL5 4NF
• Sold Nov 2018£400,000 | 2 Bed House67, Coldharbour Lane, Harpenden, AL5 4NF67, Coldharbour Lane, Harpenden, AL5 4NF
• Sold Jul 2018£380,000 | 2 Bed House65, Coldharbour Lane, Harpenden, AL5 4NF65, Coldharbour Lane, Harpenden, AL5 4NF
• Sold Apr 2018£410,000 | 3 Bed House1, Riverbanks Close, Harpenden, AL5 5EJ1, Riverbanks Close, Harpenden, AL5 5EJ
• Sold Dec 2017£404,000 | 2 Bed House105, Westfield Road, Harpenden, AL5 4JZ105, Westfield Road, Harpenden, AL5 4JZ
• Sold Mar 2016£160,000 | 2 Bed House4, Gilbert Court, Harpenden, AL5 4DN4, Gilbert Court, Harpenden, AL5 4DN
• Sold Mar 2016£160,000 | 2 Bed House5, Gilbert Court, Harpenden, AL5 4DN5, Gilbert Court, Harpenden, AL5 4DN
• Sold Mar 2016£160,000 | 2 Bed House6, Gilbert Court, Harpenden, AL5 4DN6, Gilbert Court, Harpenden, AL5 4DN
• Sold Nov 2014£370,000 | 3 Bed House79, Coldharbour Lane, Harpenden, AL5 4NF79, Coldharbour Lane, Harpenden, AL5 4NF
• Sold May 2013£250,000 | 2 Bed House45, Coldharbour Lane, Harpenden, AL5 4NF45, Coldharbour Lane, Harpenden, AL5 4NF
• Sold Mar 2013£250,000 | 2 Bed House103, Westfield Road, Harpenden, AL5 4JZ103, Westfield Road, Harpenden, AL5 4JZ

Stonemason Close, Harpenden, AL5 has a total of 4 addresses. According to our analysis of all the public data, 3, Stonemason Close, Harpenden is the 3rd largest and the 3rd most expensive property on the street.

When compared to the postcode district it is £477k less expensive than the average property in AL5.

• The Lea Primary School and Nursery

  400 m away
• Manland Primary School

  500 m away
• St Nicholas CofE VA Primary School

  1.0 km away

• St George's School

  400 m away
• Sir John Lawes School

  700 m away
• Roundwood Park School

  1.4 km away

• Harpenden

  |

  1.2 km away
• Luton Airport Parkway

  |

  6.0 km away
• Luton

  |

  7.5 km away

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