According to data from HM Land Registry, 9, Otterton Close, Harpenden sits on a plot of 263 m².

We have plot size data on 11 out of 13 other houses in the postcode and 9, Otterton Close, Harpenden sits on the 7th largest plot.

9, Otterton Close, Harpenden has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 23 Feb 2011.

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, 9, Otterton Close, Harpenden was last sold on 16th March 2012 for £499,995 and was recorded as a freehold house.

The property has had 4 sales since 1995.

Since March 2012, the market for similar properties has risen by 64.6%.

• Sold Mar 2012£499,995
• Sold Feb 2006£470,000
• Sold Jun 2004£390,000

According to the Land Registry and our network of Estate Agents, there have been 70 sales of properties similar to 9, Otterton Close, Harpenden within a radius of 760 metres since 2010.

The most recent example is 33, Park Mount, Harpenden, AL5 3AS, a freehold house which sold for £725,000 on the 15th May 2026.

Read more about house prices in AL5.

• Sold May 2026£725,000 | 3 Bed House33, Park Mount, Harpenden, AL5 3AS33, Park Mount, Harpenden, AL5 3AS
• Sold Dec 2025£717,230 | 3 Bed House3, Park Mount, Harpenden, AL5 3AS3, Park Mount, Harpenden, AL5 3AS
• Sold Aug 2025£685,000 | 3 Bed House19, Park Mount, Harpenden, AL5 3AS19, Park Mount, Harpenden, AL5 3AS
• Sold Jul 2025£750,000 | 4 Bed House1, Wells Close, Harpenden, AL5 3LQ1, Wells Close, Harpenden, AL5 3LQ
• Sold Mar 2025£500,000 | 4 Bed House6A, Harpenden Rise, Harpenden, AL5 3BH6A, Harpenden Rise, Harpenden, AL5 3BH
• Sold Mar 2025£620,000 | 4 Bed House9, Old Rectory Close, Harpenden, AL5 2UD9, Old Rectory Close, Harpenden, AL5 2UD
• Sold Oct 2024£850,000 | 4 Bed House3, Park Rise Close, Harpenden, AL5 3AW3, Park Rise Close, Harpenden, AL5 3AW
• Sold Aug 2024£862,500 | 3 Bed House48, Park Mount, Harpenden, AL5 3AR48, Park Mount, Harpenden, AL5 3AR
• Sold Feb 2023£550,000 | 3 Bed House27, Park Mount, Harpenden, AL5 3AS27, Park Mount, Harpenden, AL5 3AS
• Sold Oct 2022£775,000 | 3 Bed House42, Harpenden Rise, Harpenden, AL5 3BH42, Harpenden Rise, Harpenden, AL5 3BH
• Sold Sep 2022£945,000 | 3 Bed House19, Harpenden Rise, Harpenden, AL5 3BG19, Harpenden Rise, Harpenden, AL5 3BG
• Sold May 2022£600,000 | 3 Bed House9, Harpenden Rise, Harpenden, AL5 3BG9, Harpenden Rise, Harpenden, AL5 3BG
• Sold Apr 2022£705,000 | 4 Bed House2, Otterton Close, Harpenden, AL5 3BE2, Otterton Close, Harpenden, AL5 3BE
• Sold Dec 2021£640,000 | 3 Bed House10, Park Hill, Harpenden, AL5 3AT10, Park Hill, Harpenden, AL5 3AT
• Sold Oct 2017£650,000 | 3 Bed House5, Park Mount, Harpenden, AL5 3AS5, Park Mount, Harpenden, AL5 3AS
• Sold Mar 2017£660,000 | 3 Bed House21, Harpenden Rise, Harpenden, AL5 3BG21, Harpenden Rise, Harpenden, AL5 3BG
• Sold Feb 2016£695,000 | 3 Bed House46, Park Mount, Harpenden, AL5 3AR46, Park Mount, Harpenden, AL5 3AR
• Sold Sep 2015£570,000 | 4 Bed House1, Otterton Close, Harpenden, AL5 3BE1, Otterton Close, Harpenden, AL5 3BE
• Sold Dec 2014£535,000 | 3 Bed House23, Park Mount, Harpenden, AL5 3AS23, Park Mount, Harpenden, AL5 3AS
• Sold May 2010£485,000 | 4 Bed House16, Harpenden Rise, Harpenden, AL5 3BH16, Harpenden Rise, Harpenden, AL5 3BH

Otterton Close, Harpenden, AL5 has a total of 13 addresses. According to our analysis of all the public data, 9, Otterton Close, Harpenden is the 13th largest and the 13th most expensive property on the street.

When compared to the postcode district it is £262k less expensive than the average property in AL5.

• Roundwood Primary School

  500 m away
• Wood End School

  900 m away
• St Nicholas CofE VA Primary School

  1.0 km away

• Roundwood Park School

  500 m away
• St George's School

  1.0 km away
• Sir John Lawes School

  1.6 km away

• Harpenden

  |

  1.5 km away
• Luton Airport Parkway

  |

  5.8 km away
• Luton

  |

  7.2 km away

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