Our Data Sources
21A, Masons Avenue, Harrow has no records in the the Land Registry and a single entry in the EPC database dated February 2020.
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
In very good condition, we estimate 21A, Masons Avenue, Harrow would be worth £324,403, with a potential rental value of £1,756 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £287,328, with a rental value of £1,555 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
21A, Masons Avenue, Harrow has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 18 Feb 2020.
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
Land Registry records and our Estate Agent network show 82 sales of comparable properties within 340 metres of 21A, Masons Avenue, Harrow across the last 2 years.
Most recently, 58A, Herga Road, Harrow, HA3 5AS, a leasehold flat, sold at £175,000 on the 18th March 2026.
Read more about house prices in HA3.
- Sold Mar 2026£175,000 | 2 Bed Flat58A, Herga Road, Harrow, HA3 5AS58A, Herga Road, Harrow, HA3 5AS
- Sold Feb 2022£325,000 | 2 Bed Flat40A , Masons Avenue, Harrow, HA3 5AR40A , Masons Avenue, Harrow, HA3 5AR
- Sold May 2019£310,000 | 2 Bed Flat30A, Gordon Road, Harrow, HA3 5RX30A, Gordon Road, Harrow, HA3 5RX
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Our analysis of the public data ranks 21A, Masons Avenue, Harrow as the 178th largest and the 97th most expensive of the 356 addresses on Masons Avenue, Harrow, HA3.
Against the HA3 postcode district average, it is £202k less expensive than the typical property.
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Schools Nearby
- Marlborough Primary School600 m away
- Saint Jerome Church of England Bilingual School900 m away
- Elmgrove Primary School & Nursery900 m away
- The Sacred Heart Language College800 m away
- Salvatorian Roman Catholic College900 m away
- Harrow High School1.5 km away
More reading links
Public Transport Nearby
- Harrow & Wealdstone|100 m away
- Harrow-on-the-Hill|1.5 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Medium risk of flooding.












