Our Data Sources
57, Cowper Road, Harpenden has a single entry in the Land Registry from May 2017 and a single entry in the EPC database dated June 2025.
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
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 57, Cowper Road, Harpenden is in very good condition we estimate a sale value of £1,209,917 and a rental value of £3,555 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £1,071,641 and a rental value of £3,149 per month.
Plot Size
According to data from HM Land Registry, 57, Cowper Road, Harpenden sits on a plot of 182 m2.
We have plot size data on 15 out of 15 other houses in the postcode and 57, Cowper Road, Harpenden sits on the 15th largest plot.
Energy Efficiency
57, Cowper Road, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 12 Jun 2025.
The property is connected to mains gas and has partial double glazing. It is heated using Boiler and radiators, mains gas, Boiler and underfloor heating, mains gas.
Sold Prices
According to HM Land Registry, 57, Cowper Road, Harpenden was last sold on 8th May 2017 for £785,000 and was recorded as a freehold house.
The property has only had this single sale since 1995.
Since May 2017, the market for similar properties has risen by 13.8%.
- Sold May 2017£785,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to 57, Cowper Road, Harpenden within a radius of 580 metres over the last 2 years.
The most recent example is 47, Cowper Road, Harpenden, AL5 5NJ, a freehold house which sold for £1,225,000 on the 21st November 2025.
Read more about house prices in AL5.
- Sold Nov 2025£1,225,000 | 4 Bed House47, Cowper Road, Harpenden, AL5 5NJ47, Cowper Road, Harpenden, AL5 5NJ
- Sold Jun 2023£940,000 | 4 Bed House43, Cowper Road, Harpenden, AL5 5NJ43, Cowper Road, Harpenden, AL5 5NJ
- Sold Aug 2022£965,500 | 4 Bed House49, Cowper Road, Harpenden, AL5 5NJ49, Cowper Road, Harpenden, AL5 5NJ
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Cowper Road, Harpenden, AL5 has a total of 101 addresses. According to our analysis of all the public data, 57, Cowper Road, Harpenden is the 14th largest and the 23rd most expensive property on the street.
When compared to the postcode district it is £192k more expensive than the average property in AL5.
More reading links
Schools Nearby
- 400mCrabtree Infants' School
- 400mSt Dominic Catholic Primary School
- 400mCrabtree Junior School
- 900mSir John Lawes School
- 1.0kmSt George's School
- 1.3kmKatherine Warington School
More reading links
Public Transport Nearby
- 400mHarpenden
- 7.3kmSt Albans City
- 7.3kmLuton Airport Parkway
Available Internet Speeds
According to recent data from Ofcom, superfast broadband is available in this area.
According to recent data from Ofcom, Superfast broadband is available in the area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be very low.












