HM Land Registry records the plot of land for 6, Haslingden Close, Harpenden as measuring 292 m².

That makes it the 22nd largest plot in the postcode, where all 22 other houses have recorded plot data.

6, Haslingden Close, Harpenden has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 03 Oct 2017.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

The most recent sale of 6, Haslingden Close, Harpenden completed on 1st December 2017 at £710,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 this is the property's only sale.

Values of comparable properties have risen by 25.2% over the period since December 2017.

• Sold Dec 2017£710,000

Since 2010 173 properties similar to 6, Haslingden Close, Harpenden have sold within a radius of 1.1 kilometres, per the Land Registry and our network of Estate Agents.

The latest, on the 19th November 2025, was 20, Ashley Gardens, Harpenden, AL5 3EY, a freehold house which sold for £800,000.

Read more about house prices in AL5.

• Sold Nov 2025£800,000 | 4 Bed House20, Ashley Gardens, Harpenden, AL5 3EY20, Ashley Gardens, Harpenden, AL5 3EY
• Sold Jul 2025£820,000 | 3 Bed House11, Crosspaths, Harpenden, AL5 3HB11, Crosspaths, Harpenden, AL5 3HB
• Sold Jan 2025£894,000 | 3 Bed House55, Tuffnells Way, Harpenden, AL5 3HA55, Tuffnells Way, Harpenden, AL5 3HA
• Sold Oct 2024£880,000 | 4 Bed House28, Ashley Gardens, Harpenden, AL5 3EY28, Ashley Gardens, Harpenden, AL5 3EY
• Sold Oct 2024£755,000 | 4 Bed House85, Roundwood Lane, Harpenden, AL5 3EX85, Roundwood Lane, Harpenden, AL5 3EX
• Sold Oct 2024£950,000 | 4 Bed House12, Carpenders Close, Harpenden, AL5 3HN12, Carpenders Close, Harpenden, AL5 3HN
• Sold Oct 2024£875,000 | 4 Bed House23, Brackendale Grove, Harpenden, AL5 3EL23, Brackendale Grove, Harpenden, AL5 3EL
• Sold Jul 2024£766,000 | 4 Bed House25, Vale Close, Harpenden, AL5 3LX25, Vale Close, Harpenden, AL5 3LX
• Sold Apr 2024£830,000 | 4 Bed House6, Brackendale Grove, Harpenden, AL5 3EJ6, Brackendale Grove, Harpenden, AL5 3EJ
• Sold Jul 2022£845,000 | 4 Bed House17, Brackendale Grove, Harpenden, AL5 3EL17, Brackendale Grove, Harpenden, AL5 3EL
• Sold Jan 2022£810,000 | 3 Bed House36, Ashley Gardens, Harpenden, AL5 3EY36, Ashley Gardens, Harpenden, AL5 3EY
• Sold Mar 2021£850,000 | 4 Bed House9, Brackendale Grove, Harpenden, AL5 3EL9, Brackendale Grove, Harpenden, AL5 3EL
• Sold Feb 2021£660,000 | 4 Bed House33, Haslingden Close, Harpenden, AL5 3EW33, Haslingden Close, Harpenden, AL5 3EW
• Sold Dec 2020£875,000 | 4 Bed House21, Yeomans Avenue, Harpenden, AL5 3EH21, Yeomans Avenue, Harpenden, AL5 3EH
• Sold Jul 2019£780,000 | 4 Bed House10, Brackendale Grove, Harpenden, AL5 3EJ10, Brackendale Grove, Harpenden, AL5 3EJ
• Sold May 2019£675,000 | 4 Bed House22, Ashley Gardens, Harpenden, AL5 3EY22, Ashley Gardens, Harpenden, AL5 3EY
• Sold May 2017£735,000 | 4 Bed House7, Brackendale Grove, Harpenden, AL5 3EL7, Brackendale Grove, Harpenden, AL5 3EL
• Sold May 2015£635,000 | 4 Bed House8, Haslingden Close, Harpenden, AL5 3EW8, Haslingden Close, Harpenden, AL5 3EW
• Sold Apr 2014£620,000 | 4 Bed House26, Ashley Gardens, Harpenden, AL5 3EY26, Ashley Gardens, Harpenden, AL5 3EY
• Sold Oct 2010£500,000 | 4 Bed House14, Brackendale Grove, Harpenden, AL5 3EJ14, Brackendale Grove, Harpenden, AL5 3EJ

Of the 22 addresses on Haslingden Close, Harpenden, AL5, 6, Haslingden Close, Harpenden comes out as the 20th largest and the 20th most expensive in our analysis of the public data.

It is also £107k less expensive than the average property across the AL5 district.

• Wood End School

  300 m away
• Roundwood Primary School

  700 m away
• St Nicholas CofE VA Primary School

  1.7 km away

• Roundwood Park School

  700 m away
• St George's School

  1.8 km away
• Sir John Lawes School

  2.3 km away

• Harpenden

  |

  2.2 km away
• Luton Airport Parkway

  |

  5.5 km away
• Luton

  |

  6.9 km away

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