Our Data Sources
3, Granby Avenue, Harpenden has a single entry in the Land Registry from January 2025 and a single entry in the EPC database dated September 2024.
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 3, Granby Avenue, Harpenden is in very good condition we estimate a sale value of £1,143,788 and a rental value of £3,437 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £1,013,069 and a rental value of £3,044 per month.
Plot Size
According to data from HM Land Registry, 3, Granby Avenue, Harpenden sits on a plot of 561 m2.
We have plot size data on 18 out of 29 other houses in the postcode and 3, Granby Avenue, Harpenden sits on the 9th largest plot.
Energy Efficiency
3, Granby Avenue, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 20 Sep 2024.
The property is connected to mains gas and has some double glazing. It is heated using Boiler and radiators, mains gas.
Sold Prices
According to HM Land Registry, 3, Granby Avenue, Harpenden was last sold on 10th January 2025 for £1,115,000 and was recorded as a freehold house.
The property has only had this single sale since 1995.
Since January 2025, the market for similar properties has risen by 15.9%.
- Sold Jan 2025£1,115,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 149 sales of properties similar to 3, Granby Avenue, Harpenden within a radius of 640 metres over the last 2 years.
The most recent example is 41, Granby Avenue, Harpenden, AL5 5QP, a freehold house which sold for £1,041,000 on the 31st July 2025.
Read more about house prices in AL5.
- Sold Jul 2025£1,041,000 | 4 Bed House41, Granby Avenue, Harpenden, AL5 5QP41, Granby Avenue, Harpenden, AL5 5QP
- Sold Dec 2024£1,090,000 | 4 Bed House17, Granby Avenue, Harpenden, AL5 5QP17, Granby Avenue, Harpenden, AL5 5QP
- Sold Jan 2022£1,115,000 | 4 Bed House122, Station Road, Harpenden, AL5 4RH122, Station Road, Harpenden, AL5 4RH
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Granby Avenue, Harpenden, AL5 has a total of 52 addresses. According to our analysis of all the public data, 3, Granby Avenue, Harpenden is the 35th largest and the 33rd most expensive property on the street.
When compared to the postcode district it is £123k more expensive than the average property in AL5.
More reading links
Schools Nearby
- Crabtree Junior School300 m away
- Crabtree Infants' School400 m away
- High Beeches Primary School700 m away
- Sir John Lawes School600 m away
- Katherine Warington School600 m away
- St George's School1.1 km away
More reading links
Public Transport Nearby
- Harpenden|1.0 km away
- Luton Airport Parkway|7.1 km away
- St Albans City|7.7 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.












