Our Data Sources
18, Roundwood Lane, Harpenden has a single entry in the Land Registry from December 2010 and a single entry in the EPC database dated May 2010.
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 18, Roundwood Lane, Harpenden is in very good condition we estimate a sale value of £1,186,392 and a rental value of £3,391 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £1,050,804 and a rental value of £3,004 per month.
Plot Size
According to data from HM Land Registry, 18, Roundwood Lane, Harpenden sits on a plot of 660 m2.
We have plot size data on 20 out of 21 other houses in the postcode and 18, Roundwood Lane, Harpenden sits on the 9th largest plot.
Energy Efficiency
18, Roundwood Lane, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 26 May 2010.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
According to HM Land Registry, 18, Roundwood Lane, Harpenden was last sold on 16th December 2010 for £752,500 and was recorded as a freehold house.
The property has only had this single sale since 1995.
Since December 2010, the market for similar properties has risen by 74.3%.
- Sold Dec 2010£752,500
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 126 sales of properties similar to 18, Roundwood Lane, Harpenden within a radius of 840 metres over the last 2 years.
The most recent example is 46, Bloomfield Road, Harpenden, AL5 4DB, a freehold house which sold for £1,200,000 on the 31st October 2025.
Read more about house prices in AL5.
- Sold Oct 2025£1,200,000 | 4 Bed House46, Bloomfield Road, Harpenden, AL5 4DB46, Bloomfield Road, Harpenden, AL5 4DB
- Sold May 2021£1,095,000 | 4 Bed House6, Roundwood Lane, Harpenden, AL5 3BZ6, Roundwood Lane, Harpenden, AL5 3BZ
- Sold May 2019£850,000 | 4 Bed House9A, How Field, Harpenden, AL5 3AU9A, How Field, Harpenden, AL5 3AU
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Roundwood Lane, Harpenden, AL5 has a total of 155 addresses. According to our analysis of all the public data, 18, Roundwood Lane, Harpenden is the 58th largest and the 47th most expensive property on the street.
When compared to the postcode district it is £163k more expensive than the average property in AL5.
More reading links
Schools Nearby
- Roundwood Primary School600 m away
- Wood End School700 m away
- The Lea Primary School and Nursery1.3 km away
- Roundwood Park School600 m away
- St George's School1.3 km away
- Sir John Lawes School1.8 km away
More reading links
Public Transport Nearby
- Harpenden|1.8 km away
- Luton Airport Parkway|5.5 km away
- Luton|6.9 km away
Available Internet Speeds
According to recent data from Ofcom, Ultrafast Broadband is available in this area.
According to recent data from Ofcom, Ultrafast 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.
