Our Data Sources
31, Claygate Avenue, Harpenden has 2 entries in the Land Registry, most recently in June 2022 and a single entry in the EPC database dated December 2017.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high accuracy.
Price Range & Condition
In very good condition, we estimate 31, Claygate Avenue, Harpenden would be worth £1,920,131, with a potential rental value of £4,373 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £1,700,688, with a rental value of £3,873 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
31, Claygate Avenue, Harpenden occupies a 681 m2 plot as recorded by HM Land Registry.
All 23 other houses in this postcode have recorded plot sizes, and this one ranks as the 2nd largest.
Energy Efficiency
31, Claygate Avenue, Harpenden has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 19 Dec 2017.
The property is connected to mains gas and has high performance glazing. It is heated using a boiler and underfloor heating (mains gas).
Sold Prices
31, Claygate Avenue, Harpenden last changed hands on 17th June 2022, selling for £1,900,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold twice since 1995.
The market for similar properties has dropped by 29.2% since June 2022.
- Sold Jun 2022£1,900,000
- Sold Aug 2015£930,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 66 sales of comparable properties within 850 metres of 31, Claygate Avenue, Harpenden since 2007.
Most recently, 9, Hillside Road, Harpenden, AL5 4BS, a freehold house, sold at £1,650,000 on the 1st June 2026.
Read more about house prices in AL5.
- Sold Jun 2026£1,650,000 | 5 Bed House9, Hillside Road, Harpenden, AL5 4BS9, Hillside Road, Harpenden, AL5 4BS
- Sold Nov 2025£1,750,000 | 5 Bed House22, Hartwell Gardens, Harpenden, AL5 2RW22, Hartwell Gardens, Harpenden, AL5 2RW
- Sold Jun 2025£2,195,000 | 5 Bed House11C, Douglas Road, Harpenden, AL5 2EN11C, Douglas Road, Harpenden, AL5 2EN
- Sold Mar 2025£1,715,000 | 5 Bed House26, Bloomfield Road, Harpenden, AL5 4DB26, Bloomfield Road, Harpenden, AL5 4DB
- Sold Aug 2024£2,000,000 | 5 Bed House11A, Salisbury Avenue, Harpenden, AL5 2QF11A, Salisbury Avenue, Harpenden, AL5 2QF
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £1,539,327, ranging from £1,120,274 to £2,375,889.
- 29 Claygate Avenue
4 Bed House | 15 m | Est. Value: £1,120,274
- 35 Claygate Avenue
4 Bed House | 24 m | Est. Value: £1,312,060
- 27 Claygate Avenue
5 Bed House | 28 m | Est. Value: £1,789,642
- 37 Claygate Avenue
4 Bed House | 35 m | Est. Value: £1,180,597
- 36 Moreton End Lane
4 Bed House | 55 m | Est. Value: £1,488,928
Location Comparison
Our analysis of the public data ranks 31, Claygate Avenue, Harpenden as the 4th largest and the 4th most expensive of the 27 addresses on Claygate Avenue, Harpenden, AL5.
Against the AL5 postcode district average, it is £858k more expensive than the typical property.
More reading links
Schools Nearby
- Roundwood Primary School100 m away
- St Nicholas CofE VA Primary School900 m away
- Wood End School1.1 km away
- Roundwood Park School100 m away
- St George's School1.2 km away
- Sir John Lawes School1.8 km away
More reading links
Public Transport Nearby
- Harpenden|1.4 km away
- Luton Airport Parkway|6.2 km away
- Luton|7.6 km away
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.





