According to data from HM Land Registry, 18, Bloomfield Road, Harpenden sits on a plot of 426 m².

We have plot size data on 19 out of 25 other houses in the postcode and 18, Bloomfield Road, Harpenden sits on the 16th largest plot.

18, Bloomfield Road, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 18 Sep 2025.

The property is connected to mains gas and has high performance glazing. It is heated using a boiler and radiators (mains gas).

According to HM Land Registry, 18, Bloomfield Road, Harpenden was last sold on 2nd September 2016 for £975,000 and was recorded as a freehold house.

The property has had 3 sales since 1995.

Since September 2016, the market for similar properties has risen by 23.3%.

• Sold Sep 2016£975,000
• Sold Mar 2010£750,000
• Sold Nov 2007£499,950

According to the Land Registry and our network of Estate Agents, there have been 132 sales of properties similar to 18, Bloomfield Road, Harpenden within a radius of 800 metres since 2011.

The most recent example is 26, Roundwood Lane, Harpenden, AL5 3BZ, a freehold house which sold for £1,530,000 on the 29th January 2026.

Read more about house prices in AL5.

• Sold Jan 2026£1,530,000 | 5 Bed House26, Roundwood Lane, Harpenden, AL5 3BZ26, Roundwood Lane, Harpenden, AL5 3BZ
• Sold Dec 2025£1,650,000 | 5 Bed House10, Wordsworth Road, Harpenden, AL5 4AF10, Wordsworth Road, Harpenden, AL5 4AF
• Sold Nov 2025£1,515,000 | 5 Bed House3, Ambrose Lane, Harpenden, AL5 4AU3, Ambrose Lane, Harpenden, AL5 4AU
• Sold Sep 2025£1,860,000 | 5 Bed House14, Bloomfield Road, Harpenden, AL5 4DB14, Bloomfield Road, Harpenden, AL5 4DB
• Sold Jul 2025£1,305,000 | 4 Bed House12, Bloomfield Road, Harpenden, AL5 4DB12, Bloomfield Road, Harpenden, AL5 4DB
• Sold May 2025£1,450,000 | 5 Bed House31, Ridgewood Drive, Harpenden, AL5 3LJ31, Ridgewood Drive, Harpenden, AL5 3LJ
• Sold Apr 2025£1,370,000 | 5 Bed House43A, Moreton End Lane, Harpenden, AL5 2HA43A, Moreton End Lane, Harpenden, AL5 2HA
• 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 Nov 2024£1,180,000 | 5 Bed House26, Ridgewood Drive, Harpenden, AL5 3LE26, Ridgewood Drive, Harpenden, AL5 3LE
• Sold Apr 2024£1,255,000 | 5 Bed House11, Lambourn Gardens, Harpenden, AL5 4DQ11, Lambourn Gardens, Harpenden, AL5 4DQ
• Sold Feb 2023£1,355,000 | 5 Bed House1, Hillside Road, Harpenden, AL5 4BS1, Hillside Road, Harpenden, AL5 4BS
• Sold Jun 2022£1,510,000 | 5 Bed House48, Bloomfield Road, Harpenden, AL5 4DB48, Bloomfield Road, Harpenden, AL5 4DB
• Sold Jun 2021£1,150,000 | 5 Bed House5, Lambourn Gardens, Harpenden, AL5 4DQ5, Lambourn Gardens, Harpenden, AL5 4DQ
• Sold Jan 2021£1,300,000 | 5 Bed House53, Bloomfield Road, Harpenden, AL5 4DD53, Bloomfield Road, Harpenden, AL5 4DD
• Sold May 2020£1,150,000 | 5 Bed House23, Broadfields, Harpenden, AL5 2HJ23, Broadfields, Harpenden, AL5 2HJ
• Sold Mar 2020£1,000,000 | 5 Bed House51, Bloomfield Road, Harpenden, AL5 4DD51, Bloomfield Road, Harpenden, AL5 4DD
• Sold Dec 2019£1,080,000 | 5 Bed House23, Bloomfield Road, Harpenden, AL5 4DD23, Bloomfield Road, Harpenden, AL5 4DD
• Sold Jul 2012£890,000 | 5 Bed House10, Lambourn Gardens, Harpenden, AL5 4DQ10, Lambourn Gardens, Harpenden, AL5 4DQ
• Sold Oct 2011£810,000 | 5 Bed House25, Lambourn Gardens, Harpenden, AL5 4DQ25, Lambourn Gardens, Harpenden, AL5 4DQ

Bloomfield Road, Harpenden, AL5 has a total of 76 addresses. According to our analysis of all the public data, 18, Bloomfield Road, Harpenden is the 6th largest and the 7th most expensive property on the street.

When compared to the postcode district it is £463k more expensive than the average property in AL5.

• Roundwood Primary School

  800 m away
• The Lea Primary School and Nursery

  800 m away
• St Nicholas CofE VA Primary School

  1.0 km away

• St George's School

  800 m away
• Roundwood Park School

  800 m away
• Sir John Lawes School

  1.3 km away

• Harpenden

  |

  1.4 km away
• Luton Airport Parkway

  |

  5.7 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.