Our Data Sources
21, Ambrose Lane, Harpenden has a single entry in the Land Registry from August 2011 and a single entry in the EPC database dated June 2011.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
Price Range & Condition
In very good condition, we estimate 21, Ambrose Lane, Harpenden would be worth £1,401,274, with a potential rental value of £3,480 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £1,241,129, with a rental value of £3,082 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
21, Ambrose Lane, Harpenden occupies a 988 m2 plot as recorded by HM Land Registry.
Of the 11 other houses in this postcode, 10 have recorded plot sizes, and this one ranks as the largest.
Energy Efficiency
21, Ambrose Lane, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 01 Jun 2011.
The property is connected to mains gas and has mostly double glazing. It is heated using Boiler and radiators, mains gas.
Sold Prices
21, Ambrose Lane, Harpenden last changed hands on 23rd August 2011, selling for £832,500. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has risen by 39.5% since August 2011.
- Sold Aug 2011£832,500
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 106 sales of comparable properties within 740 metres of 21, Ambrose Lane, Harpenden across the last 2 years.
Most recently, 12, Lambourn Gardens, Harpenden, AL5 4DQ, a freehold house, sold at £1,290,000 on the 31st October 2025.
Read more about house prices in AL5.
- Sold Oct 2025£1,290,000 | 4 Bed House12, Lambourn Gardens, Harpenden, AL5 4DQ12, Lambourn Gardens, Harpenden, AL5 4DQ
- Sold Mar 2025£1,100,000 | 3 Bed House1, Lambourn Gardens, Harpenden, AL5 4DQ1, Lambourn Gardens, Harpenden, AL5 4DQ
- Sold Nov 2023£850,500 | 4 Bed House35, Ambrose Lane, Harpenden, AL5 4BU35, Ambrose Lane, Harpenden, AL5 4BU
•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, Ambrose Lane, Harpenden as the 12th largest and the 12th most expensive of the 49 addresses on Ambrose Lane, Harpenden, AL5.
Against the AL5 postcode district average, it is £368k more expensive than the typical property.
More reading links
Schools Nearby
- The Lea Primary School and Nursery700 m away
- Manland Primary School800 m away
- St Nicholas CofE VA Primary School800 m away
- St George's School400 m away
- Sir John Lawes School900 m away
- Roundwood Park School1.0 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
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.
