According to data from HM Land Registry, 6, Mayfield Avenue, Harrow sits on a plot of 407 m².

We have plot size data on 23 out of 23 other houses in the postcode and 6, Mayfield Avenue, Harrow sits on the 20th largest plot.

6, Mayfield Avenue, Harrow has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 13 Aug 2024.

The property is connected to mains gas and has partial double glazing. It is heated using a boiler and radiators (mains gas).

According to HM Land Registry, 6, Mayfield Avenue, Harrow was last sold on 31st March 2025 for £770,000 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since March 2025, the market for similar properties has dropped by 8.0%.

• Sold Mar 2025£770,000

According to the Land Registry and our network of Estate Agents, there have been 145 sales of properties similar to 6, Mayfield Avenue, Harrow within a radius of 580 metres since 2013.

The most recent example is 17, Becmead Avenue, Harrow, HA3 8HD, a freehold house which sold for £780,000 on the 19th December 2025.

Read more about house prices in HA3.

• Sold Dec 2025£780,000 | 4 Bed House17, Becmead Avenue, Harrow, HA3 8HD17, Becmead Avenue, Harrow, HA3 8HD
• Sold Aug 2025£727,500 | 4 Bed House4, Hawthorne Avenue, Harrow, HA3 8AG4, Hawthorne Avenue, Harrow, HA3 8AG
• Sold Mar 2025£650,000 | 4 Bed House61, Kenton Gardens, Harrow, HA3 8DE61, Kenton Gardens, Harrow, HA3 8DE
• Sold Mar 2025£550,000 | 4 Bed House230, Kenton Road, Harrow, HA3 8BY230, Kenton Road, Harrow, HA3 8BY
• 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 Sep 2024£630,000 | 4 Bed House53, Becmead Avenue, Harrow, HA3 8HD53, Becmead Avenue, Harrow, HA3 8HD
• Sold Apr 2024£762,500 | 4 Bed House1, Sedgecombe Avenue, Harrow, HA3 0HW1, Sedgecombe Avenue, Harrow, HA3 0HW
• Sold Aug 2023£610,000 | 4 Bed House33, Carlton Avenue, Harrow, HA3 8AX33, Carlton Avenue, Harrow, HA3 8AX
• Sold Mar 2023£762,500 | 4 Bed House44, Mayfield Avenue, Harrow, HA3 8EU44, Mayfield Avenue, Harrow, HA3 8EU
• Sold Oct 2022£815,000 | 4 Bed House11, Hawthorne Avenue, Harrow, HA3 8AG11, Hawthorne Avenue, Harrow, HA3 8AG
• Sold Sep 2022£875,000 | 4 Bed House7, Hawthorne Avenue, Harrow, HA3 8AG7, Hawthorne Avenue, Harrow, HA3 8AG
• Sold Aug 2022£686,555 | 4 Bed House71, Kenton Gardens, Harrow, HA3 8DE71, Kenton Gardens, Harrow, HA3 8DE
• Sold Apr 2022£770,000 | 4 Bed House9, Sedgecombe Avenue, Harrow, HA3 0HW9, Sedgecombe Avenue, Harrow, HA3 0HW
• Sold Apr 2022£800,000 | 4 Bed House33, Becmead Avenue, Harrow, HA3 8HD33, Becmead Avenue, Harrow, HA3 8HD
• Sold Mar 2022£675,000 | 4 Bed House4, Willowcourt Avenue, Harrow, HA3 8ES4, Willowcourt Avenue, Harrow, HA3 8ES
• Sold Aug 2020£635,000 | 4 Bed House49, Becmead Avenue, Harrow, HA3 8HD49, Becmead Avenue, Harrow, HA3 8HD
• Sold Mar 2014£500,000 | 4 Bed House5, Becmead Avenue, Harrow, HA3 8HD5, Becmead Avenue, Harrow, HA3 8HD
• Sold Apr 2013£485,000 | 4 Bed House20, Carlton Avenue, Harrow, HA3 8AY20, Carlton Avenue, Harrow, HA3 8AY
• Sold Apr 2013£426,000 | 4 Bed House18, Carlton Avenue, Harrow, HA3 8AY18, Carlton Avenue, Harrow, HA3 8AY

Mayfield Avenue, Harrow, HA3 has a total of 49 addresses. According to our analysis of all the public data, 6, Mayfield Avenue, Harrow is the 21st largest and the 19th most expensive property on the street.

When compared to the postcode district it is £212k more expensive than the average property in HA3.

• Elmgrove Primary School & Nursery

  700 m away
• Saint Jerome Church of England Bilingual School

  1.0 km away
• Mount Stewart Infant School

  1.2 km away

• St Gregory's Catholic Science College

  800 m away
• Harrow High School

  900 m away
• Claremont High School

  1.6 km away

• Kenton

  |

  300 m away
• Northwick Park

  |

  600 m away
• Harrow-on-the-Hill

  |

  1.4 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.