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According to the public record, 21, Claygate Avenue, Harpenden is a modern freehold house with 1,280 ft2 of internal area and sits on a 501 m2 plot.
Houses of this size in this area normally have 4 bedrooms with a garden.
Based on available information, and assuming reasonable condition, the estimated sale value for 21, Claygate Avenue, Harpenden is £1,133,817 and the estimated rental value is £3,019 per month.
Claygate Avenue, Harpenden, AL5 is located in the borough of St. Albans within the AL5 postal district.
21, Claygate Avenue, Harpenden has a single entry in the Land Registry from December 2019 and a single entry in the EPC database dated July 2019.
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.
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 21, Claygate Avenue, Harpenden is in very good condition we estimate a sale value of £1,190,508 and a rental value of £3,170 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £1,054,450 and a rental value of £2,808 per month.
Over the last 12 months the sale value of 21 Claygate Avenue Harpenden has decreased by an estimated £1,262 (0.1%) and its rental value has increased by an estimated £85 per month (2.8%), giving an expected gross yield of 3.2%.
According to data from HM Land Registry, 21, Claygate Avenue, Harpenden sits on a plot of 501m2.
We have plot size data on 23 out of 23 other houses in the postcode and 21, Claygate Avenue, Harpenden sits on the 17th largest plot.
21, Claygate Avenue, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 19 Jul 2019.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
According to HM Land Registry, 21, Claygate Avenue, Harpenden was last sold on 12th December 2019 for £785,000 and was recorded as a freehold house.
The property has only had this single sale since 1995.
Since December 2019, the market for similar properties has dropped 7.1%
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to 21, Claygate Avenue, Harpenden within a radius of 890 metres over the last 2 years.
The most recent example is 27, Barns Dene, Harpenden, AL5 2HH, a freehold house which sold for £1,175,000 on the 12th September 2025.
Read more about house prices in AL5.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
Claygate Avenue, Harpenden, AL5 has a total of 27 addresses. According to our analysis of all the public data, 21, Claygate Avenue, Harpenden is the 24th largest and the 24th most expensive property on the street.
When compared to the postcode district it is £174k more expensive than the average property in AL5.
The closest station to 21, Claygate Avenue, Harpenden is Harpenden station which is 1.4 kilometres away.
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.
According to data from the Environment Agency, the flood risk in this area is considered to be very low.
The recent census recorded whether a resident owned or rented their home.
In the area around 21, Claygate Avenue, Harpenden, 54.1% of property is privately owned outright and 39.3% 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, Claygate Avenue, Harpenden, 28.6% of residents are recorded as possessing school level qualifications and 73.0% 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, Claygate Avenue, Harpenden, the average age was 42 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, Claygate Avenue, Harpenden, 3.4% 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, Claygate Avenue, Harpenden, there are an average of 1.7 cars per household.
See below for how this compares to East of England and the rest of England & Wales.
