Our Data Sources
21, Common Lane, Harpenden has no records in the the Land Registry and a single entry in the EPC database dated July 2025.
We combine this information with public data 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 21, Common Lane, Harpenden would be worth £980,927, with a potential rental value of £3,433 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £868,821, with a rental value of £3,040 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
21, Common Lane, Harpenden occupies a 667 m2 plot as recorded by HM Land Registry.
Of the 13 other houses in this postcode, 11 have recorded plot sizes, and this one ranks as the 4th largest.
Energy Efficiency
21, Common Lane, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 18 Jul 2025.
The property is connected to mains gas and has mostly double glazing. It is heated using Boiler and radiators, mains gas.
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 3 sales of comparable properties within 850 metres of 21, Common Lane, Harpenden across the last 2 years.
Most recently, 27, Common Lane, Harpenden, AL5 5BT, a freehold house, sold at £821,514 on the 30th May 2024.
Read more about house prices in AL5.
- Sold May 2024£821,514 | 3 Bed House27, Common Lane, Harpenden, AL5 5BT27, Common Lane, Harpenden, AL5 5BT
- Sold Apr 2024£880,000 | 4 Bed House29, Salisbury Road, Harpenden, AL5 5AR29, Salisbury Road, Harpenden, AL5 5AR
- Sold Sep 2021£850,000 | 4 Bed House25, Common Lane, Harpenden, AL5 5BT25, Common Lane, Harpenden, AL5 5BT
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 21, Common Lane, Harpenden as the 17th largest and the 15th most expensive of the 31 addresses on Common Lane, Bower Heath, Harpenden, AL5.
Against the AL5 postcode district average, it is £26k less expensive than the typical property.
More reading links
Schools Nearby
- 500mSauncey Wood Primary School
- 1.0kmCrabtree Junior School
- 1.0kmManland Primary School
- 100mKatherine Warington School
- 900mSir John Lawes School
- 1.4kmSt George's School
More reading links
Public Transport Nearby
- 1.6kmHarpenden
- 7.0kmLuton Airport Parkway
- 8.2kmSt Albans City
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a very low risk of flooding.
