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According to the public record, 23, St. Leonards Avenue, Harrow is a period house with 1,323 ft2 of internal area and sits on a 686 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 23, St. Leonards Avenue, Harrow is £686,320 and the estimated rental value is £2,781 per month.
St. Leonards Avenue, Harrow, HA3 is located in the borough of Harrow within the HA3 postal district.
23, St. Leonards Avenue, Harrow has no records in the the Land Registry and a single entry in the EPC database dated September 2017.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low 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 23, St. Leonards Avenue, Harrow is in very good condition we estimate a sale value of £720,636 and a rental value of £2,920 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £638,278 and a rental value of £2,586 per month.
Over the last 12 months the sale value of 23 St. Leonards Avenue Harrow has decreased by an estimated £9,346 (1.4%) and its rental value has increased by an estimated £72 per month (2.6%), giving an expected gross yield of 4.9%.
According to data from HM Land Registry, 23, St. Leonards Avenue, Harrow sits on a plot of 686m2.
We have plot size data on 11 out of 13 other houses in the postcode and 23, St. Leonards Avenue, Harrow sits on the 5th largest plot.
23, St. Leonards Avenue, Harrow has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 18 Sep 2017.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to 23, St. Leonards Avenue, Harrow within a radius of 550 metres over the last 2 years.
The most recent example is 5, Alicia Close, Harrow, HA3 8HP, a freehold house which sold for £730,000 on the 3rd October 2025.
Read more about house prices in HA3.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
St. Leonards Avenue, Harrow, HA3 has a total of 19 addresses. According to our analysis of all the public data, 23, St. Leonards Avenue, Harrow is the 10th largest and the 8th most expensive property on the street.
When compared to the postcode district it is £173k more expensive than the average property in HA3.
The closest station to 23, St. Leonards Avenue, Harrow is Kenton station which is 700 metres 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 23, St. Leonards Avenue, Harrow, 53.0% of property is privately owned outright and 27.3% is privately owned with a mortgage.
The graph below shows how this compares to Greater London 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 23, St. Leonards Avenue, Harrow, 11.9% of residents are recorded as possessing school level qualifications and 46.4% as possessing degree level qualifications.
The graph below shows how this compares to Greater London and the rest of England & Wales.
The most recent census in 2021 recorded the age of all UK residents.
In the area around 23, St. Leonards Avenue, Harrow, the average age was 40.6 and the most common age was 37.
The graph below shows how this compares to Greater London 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 23, St. Leonards Avenue, Harrow, 0.7% of property was a second home.
Comparison figures for Greater London 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 23, St. Leonards Avenue, Harrow, there are an average of 1.5 cars per household.
See below for how this compares to Greater London and the rest of England & Wales.
