HM Land Registry records the plot of land for 29, Claygate Avenue, Harpenden as measuring 677 m².

That makes it the 4th largest plot in the postcode, where all 23 other houses have recorded plot data.

29, Claygate Avenue, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 27 Mar 2015.

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 29, Claygate Avenue, Harpenden completed on 8th January 2016 at £1,025,000 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 dropped by 2.1% over the period since January 2016.

• Sold Jan 2016£1,025,000

Since 2010 35 properties similar to 29, Claygate Avenue, Harpenden have sold within a radius of 850 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 27th April 2026, was 25, Moreton End Lane, Harpenden, AL5 2EY, a freehold house which sold for £1,160,000.

Read more about house prices in AL5.

• Sold Apr 2026£1,160,000 | 4 Bed House25, Moreton End Lane, Harpenden, AL5 2EY25, Moreton End Lane, Harpenden, AL5 2EY
• Sold Jan 2026£860,000 | 3 Bed House12, Roundwood Lane, Harpenden, AL5 3BZ12, Roundwood Lane, Harpenden, AL5 3BZ
• Sold Sep 2025£1,175,000 | 4 Bed House27, Barns Dene, Harpenden, AL5 2HH27, Barns Dene, Harpenden, AL5 2HH
• Sold Sep 2024£975,000 | 3 Bed House9 Redclyffe Place, Salisbury Avenue, Harpenden, AL5 2FS9 Redclyffe Place, Salisbury Avenue, Harpenden, AL5 2FS
• Sold May 2024£982,700 | 4 Bed House1, Timbers Court, Harpenden, AL5 2QA1, Timbers Court, Harpenden, AL5 2QA
• Sold Jan 2024£923,000 | 4 Bed House4, Moreton End Close, Harpenden, AL5 2EZ4, Moreton End Close, Harpenden, AL5 2EZ
• Sold Aug 2023£1,150,000 | 4 Bed House3, Hillside Road, Harpenden, AL5 4BS3, Hillside Road, Harpenden, AL5 4BS
• Sold Apr 2023£1,255,000 | 3 Bed House2, Townsend Lane, Harpenden, AL5 2QE2, Townsend Lane, Harpenden, AL5 2QE
• Sold Jan 2023£1,300,000 | 4 Bed House38, Townsend Lane, Harpenden, AL5 2QS38, Townsend Lane, Harpenden, AL5 2QS
• Sold Sep 2022£1,090,000 | 3 Bed House13, Claygate Avenue, Harpenden, AL5 2HE13, Claygate Avenue, Harpenden, AL5 2HE
• Sold Sep 2022£965,000 | 4 Bed House16B, Moreton End Lane, Harpenden, AL5 2EX16B, Moreton End Lane, Harpenden, AL5 2EX
• Sold Aug 2022£1,189,500 | 3 Bed House4, Townsend Close, Harpenden, AL5 2RF4, Townsend Close, Harpenden, AL5 2RF
• Sold Nov 2020£825,000 | 3 Bed House3, Moreton End Close, Harpenden, AL5 2EZ3, Moreton End Close, Harpenden, AL5 2EZ
• Sold Dec 2019£785,000 | 4 Bed House21, Claygate Avenue, Harpenden, AL5 2HE21, Claygate Avenue, Harpenden, AL5 2HE
• Sold Sep 2019£900,000 | 4 Bed House11, Claygate Avenue, Harpenden, AL5 2HE11, Claygate Avenue, Harpenden, AL5 2HE
• Sold Nov 2015£925,000 | 4 Bed House37, Claygate Avenue, Harpenden, AL5 2HE37, Claygate Avenue, Harpenden, AL5 2HE
• Sold Nov 2014£635,000 | 4 Bed House76, Park Rise, Harpenden, AL5 3AL76, Park Rise, Harpenden, AL5 3AL
• Sold Nov 2013£545,000 | 3 Bed House62, Park Rise, Harpenden, AL5 3AL62, Park Rise, Harpenden, AL5 3AL
• Sold Aug 2011£810,502 | 4 Bed House10, Barns Dene, Harpenden, AL5 2HQ10, Barns Dene, Harpenden, AL5 2HQ
• Sold Jul 2010£950,000 | 3 Bed House7, Alders End Lane, Harpenden, AL5 2HL7, Alders End Lane, Harpenden, AL5 2HL

Of the 27 addresses on Claygate Avenue, Harpenden, AL5, 29, Claygate Avenue, Harpenden comes out as the 25th largest and the 25th most expensive in our analysis of the public data.

It is also £150k more expensive than the average property across the AL5 district.

• Roundwood Primary School

  100 m away
• St Nicholas CofE VA Primary School

  900 m away
• Wood End School

  1.1 km away

• Roundwood Park School

  100 m away
• St George's School

  1.2 km away
• Sir John Lawes School

  1.8 km away

• Harpenden

  |

  1.4 km away
• Luton Airport Parkway

  |

  6.2 km away
• Luton

  |

  7.6 km away

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