Our Data Sources
40, Granby Avenue, Harpenden has 4 entries in the Land Registry , most recently in December 2025 and a single entry in the EPC database dated January 2023.
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 40, Granby Avenue, Harpenden is in very good condition we estimate a sale value of £1,796,891 and a rental value of £4,145 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £1,591,532 and a rental value of £3,671 per month.
Plot Size
According to data from HM Land Registry, 40, Granby Avenue, Harpenden sits on a plot of 710 m2.
We have plot size data on 16 out of 23 other houses in the postcode and 40, Granby Avenue, Harpenden sits on the 8th largest plot.
Energy Efficiency
40, Granby Avenue, Harpenden has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 06 Jan 2023.
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, 40, Granby Avenue, Harpenden was last sold on 5th December 2025 for £1,875,000 and was recorded as a freehold house.
The property has had 4 sales since 1995.
Since December 2025, the market for similar properties has risen by 6.4%.
- Sold Dec 2025£1,875,000
- Sold May 2023£1,750,000
- Sold Jan 2018£875,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 39 sales of properties similar to 40, Granby Avenue, Harpenden within a radius of 690 metres over the last 2 years.
The most recent example is 83, Overstone Road, Harpenden, AL5 5PL, a freehold house which sold for £1,760,000 on the 26th June 2025.
Read more about house prices in AL5.
- Sold Jun 2025£1,760,000 | 5 Bed House83, Overstone Road, Harpenden, AL5 5PL83, Overstone Road, Harpenden, AL5 5PL
- Sold Oct 2019£690,000 | 5 Bed House55A, Granby Avenue, Harpenden, AL5 5QP55A, Granby Avenue, Harpenden, AL5 5QP
- Sold May 2018£1,515,000 | 5 Bed House25, Granby Avenue, Harpenden, AL5 5QP25, Granby Avenue, Harpenden, AL5 5QP
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Granby Avenue, Harpenden, AL5 has a total of 52 addresses. According to our analysis of all the public data, 40, Granby Avenue, Harpenden is the 5th largest and the 4th most expensive property on the street.
When compared to the postcode district it is £745k more expensive than the average property in AL5.
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Schools Nearby
- Crabtree Junior School300 m away
- Crabtree Infants' School400 m away
- High Beeches Primary School600 m away
- Katherine Warington School600 m away
- Sir John Lawes School700 m away
- St George's School1.1 km away
More reading links
Public Transport Nearby
- Harpenden|1.0 km away
- Luton Airport Parkway|7.2 km away
- St Albans City|7.6 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.
