18, Cowen Avenue
18, Cowen Avenue
Description & Estimates







According to the public record, 18, Cowen Avenue, Harrow is a mid-century apartment with 721 ft2 of internal area.
Apartments of this size in this area normally have 2 bedrooms.
Based on available information, and assuming reasonable condition, the estimated sale value for 18, Cowen Avenue, Harrow is £289,743 and the estimated rental value is £1,652 per month.
Cowen Avenue, Harrow, HA2 is located in the borough of Harrow within the HA2 postal district.
Our Data Sources
18, Cowen Avenue, Harrow has no records in the the Land Registry and a single entry in the EPC database dated November 2025.
We combine this information with public data 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.
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 18, Cowen Avenue, Harrow is in very good condition we estimate a sale value of £304,230 and a rental value of £1,734 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £269,461 and a rental value of £1,536 per month.
Recent Market Change
Over the past 12 months, the estimated sale value of 18, Cowen Avenue, Harrow has declined by £733 (0.3%), while its estimated rental value has climbed by £46 per month (2.8%). Based on current estimates, the property offers a gross rental yield of 6.8%.
Energy Efficiency
18, Cowen Avenue, Harrow has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 06 Nov 2025.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to 18, Cowen Avenue, Harrow within a radius of 380 metres over the last 2 years.
The most recent example is 123, East Croft House 86, Northolt Road, Harrow, HA2 0ES, a leasehold flat which sold for £235,000 on the 16th February 2026.
Read more about house prices in HA2.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Cowen Avenue, Harrow, HA2 has a total of 73 addresses. According to our analysis of all the public data, 18, Cowen Avenue, Harrow is the 35th largest and the 35th most expensive property on the street.
When compared to the postcode district it is £200k less expensive than the average property in HA2.
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Schools Nearby
- 500mRoxeth Primary School
- 800mThe Welldon Park Academy
- 900mGrange Primary School
- 800mWhitmore High School
- 1.7kmRooks Heath School
- 2.1kmHarrow High School
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Public Transport Nearby
The closest station to 18, Cowen Avenue, Harrow is South Harrow station, which is 300 metres away.
- 300mSouth Harrow
- 1.2kmNortholt Park
- 1.3kmSudbury Hill Harrow
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.

