Our Data Sources
18, Ambrose Lane, Harpenden has no records in the the Land Registry and a single entry in the EPC database dated September 2019.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium 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, Ambrose Lane, Harpenden is in very good condition we estimate a sale value of £1,680,970 and a rental value of £3,993 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £1,488,860 and a rental value of £3,537 per month.
Plot Size
According to data from HM Land Registry, 18, Ambrose Lane, Harpenden sits on a plot of 777 m2.
We have plot size data on 12 out of 16 other houses in the postcode and 18, Ambrose Lane, Harpenden sits on the 2nd largest plot.
Energy Efficiency
18, Ambrose Lane, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 06 Sep 2019.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 89 sales of properties similar to 18, Ambrose Lane, Harpenden within a radius of 740 metres over the last 2 years.
The most recent example is 10, Wordsworth Road, Harpenden, AL5 4AF, a freehold house which sold for £1,650,000 on the 12th December 2025.
Read more about house prices in AL5.
- Sold Dec 2025£1,650,000 | 5 Bed House10, Wordsworth Road, Harpenden, AL5 4AF10, Wordsworth Road, Harpenden, AL5 4AF
- Sold Nov 2025£1,515,000 | 5 Bed House3, Ambrose Lane, Harpenden, AL5 4AU3, Ambrose Lane, Harpenden, AL5 4AU
- Sold Dec 2022£1,720,000 | 4 Bed House5, Ambrose Lane, Harpenden, AL5 4AU5, Ambrose Lane, Harpenden, AL5 4AU
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Ambrose Lane, Harpenden, AL5 has a total of 49 addresses. According to our analysis of all the public data, 18, Ambrose Lane, Harpenden is the 5th largest and the most expensive property on the street.
When compared to the postcode district it is £634k more expensive than the average property in AL5.
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Schools Nearby
- The Lea Primary School and Nursery600 m away
- Manland Primary School700 m away
- St Nicholas CofE VA Primary School800 m away
- St George's School400 m away
- Sir John Lawes School900 m away
- Roundwood Park School1.1 km away
More reading links
Public Transport Nearby
- Harpenden|1.1 km away
- Luton Airport Parkway|6.0 km away
- Luton|7.5 km away
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.












