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21, West Common Grove, Harpenden is recorded publicly as a mid-century freehold house across 2,960 ft2 of internal area, sitting on a 963 m2 plot.
Locally, houses of this size normally have 5 bedrooms with a garden.
Our estimate of the sale value of 21, West Common Grove, Harpenden is £2,221,348 and its rental estimate is £5,072 per month, given the available information and assuming reasonable condition.
West Common Grove, Harpenden, AL5 falls within the AL5 postal district, in the borough of St. Albans.
21, West Common Grove, Harpenden has 2 entries in the Land Registry , most recently in August 2023 and a single entry in the EPC database dated March 2022.
We combine this information with that 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.
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 21, West Common Grove, Harpenden, we estimate a market value of £2,332,415 and a rental value of £5,325 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £2,065,854 and £4,717 per month respectively.
Over the last year, 21, West Common Grove, Harpenden has seen its estimated sale value decrease by £24,898 (1.1%) and its estimated rental value grow by £101 per month (2.0%). This results in an estimated gross rental yield of 2.7%.
HM Land Registry records the plot of land for 21, West Common Grove, Harpenden as measuring 963 m2.
That makes it the 6th largest plot in the postcode, where 6 of the 7 other houses have recorded plot data.
21, West Common Grove, Harpenden has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 21 Mar 2022.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
The most recent sale of 21, West Common Grove, Harpenden completed on 23rd August 2023 at £2,325,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold twice.
Values of comparable properties have dropped by 23.8% over the period since August 2023.
Over the past 2 years 3 properties similar to 21, West Common Grove, Harpenden have sold within a radius of 1.3 kilometres, per the Land Registry and our network of Estate Agents.
The latest, on the 29th October 2025, was 3, Netherfield Road, Harpenden, AL5 2AF, a freehold house which sold for £2,325,000.
Read more about house prices in AL5.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
Of the 14 addresses on West Common Grove, Harpenden, AL5, 21, West Common Grove, Harpenden comes out as the 4th largest and the 2nd most expensive in our analysis of the public data.
It is also £1.261m more expensive than the average property across the AL5 district.
From 21, West Common Grove, Harpenden, the nearest station is Harpenden, 1.9 kilometres away.
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast broadband is available in the area.
The flood risk here is rated very low, based on Environment Agency data.
The recent census recorded whether a resident owned or rented their home.
In the area around 21, West Common Grove, Harpenden, 56.0% of property is privately owned outright and 38.4% is privately owned with a mortgage.
The graph below shows how this compares to East of England and the rest of England & Wales.
The recent census recorded the highest level of education achieved by residents in the local area.
In the area around 21, West Common Grove, Harpenden, 25.7% of residents are recorded as possessing school level qualifications and 56.8% as possessing degree level qualifications.
The graph below shows how this compares to East of England and the rest of England & Wales.
The most recent census in 2021 recorded the age of all UK residents.
In the area around 21, West Common Grove, Harpenden, the average age was 42.1 and the most common age was 47.
The graph below shows how this compares to East of England and the rest of England & Wales
The recent census recorded whether a property was a primary or secondary home for the resident.
In the area around 21, West Common Grove, Harpenden, 3.5% of property was a second home.
Comparison figures for East of England and the rest of England & Wales are listed below.
The recent census recorded the number of cars registered in each household.
In the area around 21, West Common Grove, Harpenden, there are an average of 1.9 cars per household.
See below for how this compares to East of England and the rest of England & Wales.
