Our Data Sources
4, Mayfield Avenue, Harrow has a single entry in the Land Registry from June 2014 and a single entry in the EPC database dated May 2013.
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.
Price Range & Condition
In very good condition, we estimate 4, Mayfield Avenue, Harrow would be worth £700,374, with a potential rental value of £2,739 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £620,331, with a rental value of £2,426 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
4, Mayfield Avenue, Harrow occupies a 414 m2 plot as recorded by HM Land Registry.
All 23 other houses in this postcode have recorded plot sizes, and this one ranks as the 8th largest.
Energy Efficiency
4, Mayfield Avenue, Harrow has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 06 May 2013.
The property is not connected to mains gas and has partial double glazing. It is heated using a boiler and radiators (mains gas).
Sold Prices
4, Mayfield Avenue, Harrow last changed hands on 2nd June 2014, selling for £535,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has risen by 23.3% since June 2014.
- Sold Jun 2014£535,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 145 sales of comparable properties within 570 metres of 4, Mayfield Avenue, Harrow since 2011.
Most recently, 4, Hawthorne Avenue, Harrow, HA3 8AG, a freehold house, sold at £727,500 on the 18th August 2025.
Read more about house prices in HA3.
- Sold Aug 2025£727,500 | 4 Bed House4, Hawthorne Avenue, Harrow, HA3 8AG4, Hawthorne Avenue, Harrow, HA3 8AG
- Sold Mar 2025£500,000 | 5 Bed House95, Manor Road, Harrow, HA1 2PG95, Manor Road, Harrow, HA1 2PG
- Sold Feb 2025£670,000 | 4 Bed House23, Elmwood Avenue, Harrow, HA3 8AJ23, Elmwood Avenue, Harrow, HA3 8AJ
- Sold Nov 2024£832,500 | 4 Bed House7, Becmead Avenue, Harrow, HA3 8HD7, Becmead Avenue, Harrow, HA3 8HD
- Sold Apr 2024£762,500 | 4 Bed House1, Sedgecombe Avenue, Harrow, HA3 0HW1, Sedgecombe Avenue, Harrow, HA3 0HW
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £629,839, ranging from £272,342 to £944,831.
- 2 Mayfield Avenue
4 Bed House | 6 m | Est. Value: £652,882
- 6 Mayfield Avenue
4 Bed House | 13 m | Est. Value: £726,024
- 8 Mayfield Avenue
4 Bed House | 20 m | Est. Value: £638,858
- 10 Mayfield Avenue
4 Bed House | 32 m | Est. Value: £642,043
- 12 Mayfield Avenue
5 Bed House | 38 m | Est. Value: £834,774
Location Comparison
Our analysis of the public data ranks 4, Mayfield Avenue, Harrow as the 26th largest and the 25th most expensive of the 49 addresses on Mayfield Avenue, Harrow, HA3.
Against the HA3 postcode district average, it is £156k more expensive than the typical property.
More reading links
Schools Nearby
- Elmgrove Primary School & Nursery700 m away
- Saint Jerome Church of England Bilingual School1.0 km away
- Mount Stewart Infant School1.2 km away
- St Gregory's Catholic Science College800 m away
- Harrow High School900 m away
- Claremont High School1.6 km away
More reading links
Public Transport Nearby
- Kenton|300 m away
- Northwick Park|600 m away
- Harrow-on-the-Hill|1.4 km away
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












