Our Data Sources
25, Grove Avenue, Harpenden has 2 entries in the Land Registry , most recently in June 2021 and a single entry in the EPC database dated November 2025.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 out of 5 and is considered of medium accuracy.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 25, Grove Avenue, Harpenden, we estimate a market value of £1,152,748 and a rental value of £3,994 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £1,021,006 and £3,538 per month respectively.
Plot Size
HM Land Registry records the plot of land for 25, Grove Avenue, Harpenden as measuring 574 m2.
That makes it the 7th largest plot in the postcode, where all 21 other houses have recorded plot data.
Energy Efficiency
25, Grove Avenue, Harpenden has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 03 Nov 2025.
The property is not connected to mains gas and has high performance glazing. It is heated using Air source heat pump, underfloor, electric.
Sold Prices
The most recent sale of 25, Grove Avenue, Harpenden completed on 25th June 2021 at £660,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold twice.
Values of comparable properties have risen by 21.9% over the period since June 2021.
- Sold Jun 2021£660,000
- Sold Jan 2009£300,000
Similar Properties Sold Nearby
Over the past 2 years 3 properties similar to 25, Grove Avenue, Harpenden have sold within a radius of 660 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 13th March 2025, was 62, High Firs Crescent, Harpenden, AL5 1NA, a freehold house which sold for £1,310,000.
Read more about house prices in AL5.
- Sold Mar 2025£1,310,000 | 4 Bed House62, High Firs Crescent, Harpenden, AL5 1NA62, High Firs Crescent, Harpenden, AL5 1NA
- Sold Oct 2023£1,205,000 | 5 Bed House36, Sibley Avenue, Harpenden, AL5 1HF36, Sibley Avenue, Harpenden, AL5 1HF
- Sold Sep 2023£1,133,000 | 4 Bed House72, Piggottshill Lane, Harpenden, AL5 1LP72, Piggottshill Lane, Harpenden, AL5 1LP
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 82 addresses on Grove Avenue, Harpenden, AL5, 25, Grove Avenue, Harpenden comes out as the 5th largest and the 4th most expensive in our analysis of the public data.
It is also £138k more expensive than the average property across the AL5 district.
More reading links
Schools Nearby
- 100mThe Grove Infant and Nursery School
- 200mThe Grove Junior School
- 700mHigh Beeches Primary School
- 1.7kmKatherine Warington School
- 1.8kmSir John Lawes School
- 2.1kmSt George's School
More reading links
Public Transport Nearby
- 1.4kmHarpenden
- 6.4kmSt Albans City
- 7.0kmSt Albans Abbey
Available Internet Speeds
Broadband here reaches ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast broadband is available in the area.
Risk of Flooding
The flood risk here is rated very low, based on Environment Agency data.












