According to data from HM Land Registry, 5, Otterton Close, Harpenden sits on a plot of 435 m².

We have plot size data on 11 out of 13 other houses in the postcode and 5, Otterton Close, Harpenden sits on the largest plot.

5, Otterton Close, Harpenden has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 28 Apr 2022.

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, 5, Otterton Close, Harpenden was last sold on 7th September 2022 for £1,250,000 and was recorded as a freehold house.

The property has had 3 sales since 1995.

Since September 2022, the market for similar properties has risen by 2.6%.

• Sold Sep 2022£1,250,000
• Sold Aug 2004£560,000
• Sold Jul 1998£290,000

According to the Land Registry and our network of Estate Agents, there have been 151 sales of properties similar to 5, Otterton Close, Harpenden within a radius of 750 metres since 2010.

The most recent example is 3, How Field, Harpenden, AL5 3AU, a freehold house which sold for £1,150,000 on the 17th December 2025.

Read more about house prices in AL5.

• Sold Dec 2025£1,150,000 | 4 Bed House3, How Field, Harpenden, AL5 3AU3, How Field, Harpenden, AL5 3AU
• Sold Oct 2025£1,290,000 | 4 Bed House12, Lambourn Gardens, Harpenden, AL5 4DQ12, Lambourn Gardens, Harpenden, AL5 4DQ
• Sold Jul 2025£1,305,000 | 4 Bed House12, Bloomfield Road, Harpenden, AL5 4DB12, Bloomfield Road, Harpenden, AL5 4DB
• Sold Jul 2025£1,495,000 | 4 Bed House37, Hillside Road, Harpenden, AL5 4BS37, Hillside Road, Harpenden, AL5 4BS
• Sold Mar 2025£1,020,000 | 4 Bed House10, Park Mount, Harpenden, AL5 3AR10, Park Mount, Harpenden, AL5 3AR
• Sold Jan 2025£1,300,000 | 5 Bed House8, How Field, Harpenden, AL5 3AU8, How Field, Harpenden, AL5 3AU
• Sold Nov 2024£1,300,000 | 4 Bed House12A, Bloomfield Road, Harpenden, AL5 4DB12A, Bloomfield Road, Harpenden, AL5 4DB
• Sold Oct 2024£1,225,000 | 4 Bed House11, Roundwood Gardens, Harpenden, AL5 3AJ11, Roundwood Gardens, Harpenden, AL5 3AJ
• Sold Mar 2024£1,287,500 | 4 Bed House49, Hillside Road, Harpenden, AL5 4BS49, Hillside Road, Harpenden, AL5 4BS
• Sold Mar 2024£1,050,000 | 4 Bed House15, Hillside Road, Harpenden, AL5 4BS15, Hillside Road, Harpenden, AL5 4BS
• Sold Jun 2023£1,310,000 | 4 Bed House33, Hillside Road, Harpenden, AL5 4BS33, Hillside Road, Harpenden, AL5 4BS
• Sold Dec 2022£1,515,000 | 4 Bed House39, Moreton End Lane, Harpenden, AL5 2HA39, Moreton End Lane, Harpenden, AL5 2HA
• Sold Aug 2022£1,291,101 | 4 Bed House20, Park Rise, Harpenden, AL5 3AL20, Park Rise, Harpenden, AL5 3AL
• Sold Aug 2022£1,342,500 | 4 Bed House16, Falconers Field, Harpenden, AL5 3ES16, Falconers Field, Harpenden, AL5 3ES
• Sold Dec 2021£1,135,000 | 4 Bed House22, Park Mount, Harpenden, AL5 3AR22, Park Mount, Harpenden, AL5 3AR
• Sold Feb 2021£975,000 | 4 Bed House16, Ridgewood Gardens, Harpenden, AL5 3NN16, Ridgewood Gardens, Harpenden, AL5 3NN
• Sold Feb 2019£840,000 | 4 Bed House9, Ridgewood Gardens, Harpenden, AL5 3NN9, Ridgewood Gardens, Harpenden, AL5 3NN
• Sold Aug 2018£1,100,000 | 4 Bed House28, Park Rise, Harpenden, AL5 3AL28, Park Rise, Harpenden, AL5 3AL
• Sold Dec 2017£937,000 | 4 Bed House28A, Park Hill, Harpenden, AL5 3AT28A, Park Hill, Harpenden, AL5 3AT
• Sold Aug 2010£662,000 | 4 Bed House4, Otterton Close, Harpenden, AL5 3BE4, Otterton Close, Harpenden, AL5 3BE

Otterton Close, Harpenden, AL5 has a total of 13 addresses. According to our analysis of all the public data, 5, Otterton Close, Harpenden is the 4th largest and the most expensive property on the street.

When compared to the postcode district it is £278k more 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.