Our Data Sources
15, Cowper Road, Harpenden has 2 entries in the Land Registry , most recently in November 2023 and a single entry in the EPC database dated February 2022.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 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 15, Cowper Road, Harpenden is in very good condition we estimate a sale value of £1,396,198 and a rental value of £3,397 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £1,236,633 and a rental value of £3,009 per month.
Plot Size
According to data from HM Land Registry, 15, Cowper Road, Harpenden sits on a plot of 247 m2.
We have plot size data on 20 out of 22 other houses in the postcode and 15, Cowper Road, Harpenden sits on the 18th largest plot.
Energy Efficiency
15, Cowper Road, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 04 Feb 2022.
The property is connected to mains gas and has partial double glazing. It is heated using Boiler and radiators, mains gas.
Sold Prices
According to HM Land Registry, 15, Cowper Road, Harpenden was last sold on 28th November 2023 for £1,150,000 and was recorded as a freehold house.
The property has had 2 sales since 1995.
Since November 2023, the market for similar properties has dropped by 0.7%.
- Sold Nov 2023£1,150,000
- Sold Feb 2010£456,500
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to 15, Cowper Road, Harpenden within a radius of 610 metres over the last 2 years.
The most recent example is 42, Cowper Road, Harpenden, AL5 5NG, a freehold house which sold for £1,300,000 on the 2nd June 2025.
Read more about house prices in AL5.
- Sold Jun 2025£1,300,000 | 5 Bed House42, Cowper Road, Harpenden, AL5 5NG42, Cowper Road, Harpenden, AL5 5NG
- Sold Feb 2025£1,375,000 | 4 Bed House2, Cornwall Road, Harpenden, AL5 4TH2, Cornwall Road, Harpenden, AL5 4TH
- Sold Jun 2021£1,435,000 | 5 Bed House31, Cowper Road, Harpenden, AL5 5NF31, Cowper Road, Harpenden, AL5 5NF
•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, 15, Cowper Road, Harpenden is the 12th largest and the 12th most expensive property on the street.
When compared to the postcode district it is £370k more expensive than the average property in AL5.
More reading links
Schools Nearby
- 300mHarpenden Academy
- 500mSt Dominic Catholic Primary School
- 500mCrabtree Infants' School
- 700mSir John Lawes School
- 800mSt George's School
- 1.3kmKatherine Warington School
More reading links
Public Transport Nearby
- 300mHarpenden
- 7.1kmLuton Airport Parkway
- 7.5kmSt Albans City
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.












