Our Data Sources
3, Walnut Close, Harpenden has a single entry in the Land Registry from April 2019 and a single entry in the EPC database dated February 2019.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 out of 5 and is considered of medium accuracy.
Price Range & Condition
In very good condition, we estimate 3, Walnut Close, Harpenden would be worth £1,854,074, with a potential rental value of £4,144 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £1,642,179, with a rental value of £3,671 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
3, Walnut Close, Harpenden occupies a 363 m2 plot as recorded by HM Land Registry.
Of the 8 other houses in this postcode, 4 have recorded plot sizes, and this one ranks as the 3rd largest.
Energy Efficiency
3, Walnut Close, Harpenden has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 12 Feb 2019.
The property is not connected to mains gas and has high performance glazing. It is heated using Boiler and radiators, mains gas.
Sold Prices
3, Walnut Close, Harpenden last changed hands on 26th April 2019, selling for £1,600,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has risen by 8.5% since April 2019.
- Sold Apr 2019£1,600,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 79 sales of comparable properties within 650 metres of 3, Walnut Close, Harpenden across the last 2 years.
Most recently, 5, Walnut Close, Harpenden, AL5 4FP, a freehold house, sold at £1,750,000 on the 22nd August 2025.
Read more about house prices in AL5.
- Sold Aug 2025£1,750,000 | 5 Bed House5, Walnut Close, Harpenden, AL5 4FP5, Walnut Close, Harpenden, AL5 4FP
- Sold Aug 2019£1,000,000 | 5 Bed House11, West Way, Harpenden, AL5 4RD11, West Way, Harpenden, AL5 4RD
- Sold Apr 2019£1,600,000 | 5 Bed House4, Walnut Close, Harpenden, AL5 4FP4, Walnut Close, Harpenden, AL5 4FP
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 3, Walnut Close, Harpenden as the 7th largest and the 6th most expensive of the 8 addresses on Walnut Close, Harpenden, AL5.
Against the AL5 postcode district average, it is £799k more expensive than the typical property.
More reading links
Schools Nearby
- Manland Primary School300 m away
- Crabtree Junior School700 m away
- Crabtree Infants' School700 m away
- Sir John Lawes School100 m away
- St George's School500 m away
- Katherine Warington School900 m away
More reading links
Public Transport Nearby
- Harpenden|800 m away
- Luton Airport Parkway|6.7 km away
- St Albans City|8.0 km away
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












