HM Land Registry records the plot of land for 12, Mayfield Avenue, Harrow as measuring 416 m².

That makes it the 6th largest plot in the postcode, where all 23 other houses have recorded plot data.

12, Mayfield Avenue, Harrow has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 23 Jan 2026.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

Since 2008 82 properties similar to 12, Mayfield Avenue, Harrow have sold within a radius of 580 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 2nd April 2026, was 3, Flambard Road, Harrow, HA1 2NB, a freehold house which sold for £915,000.

Read more about house prices in HA3.

• Sold Apr 2026£915,000 | 5 Bed House3, Flambard Road, Harrow, HA1 2NB3, Flambard Road, Harrow, HA1 2NB
• Sold Apr 2025£495,000 | 4 Bed House248, Kenton Road, Harrow, HA3 8BY248, Kenton Road, Harrow, HA3 8BY
• Sold Mar 2025£550,000 | 4 Bed House230, Kenton Road, Harrow, HA3 8BY230, Kenton Road, Harrow, HA3 8BY
• Sold Jul 2024£825,000 | 5 Bed House23, Mayfield Avenue, Harrow, HA3 8EX23, Mayfield Avenue, Harrow, HA3 8EX
• Sold Mar 2024£880,000 | 5 Bed House16, Woodway Crescent, Harrow, HA1 2NQ16, Woodway Crescent, Harrow, HA1 2NQ
• Sold Mar 2023£762,500 | 4 Bed House44, Mayfield Avenue, Harrow, HA3 8EU44, Mayfield Avenue, Harrow, HA3 8EU
• Sold Sep 2022£875,000 | 4 Bed House7, Hawthorne Avenue, Harrow, HA3 8AG7, Hawthorne Avenue, Harrow, HA3 8AG
• Sold Sep 2022£995,000 | 5 Bed House1, Upton Gardens, Harrow, HA3 0DN1, Upton Gardens, Harrow, HA3 0DN
• Sold Aug 2022£860,000 | 5 Bed House14, Becmead Avenue, Harrow, HA3 8EY14, Becmead Avenue, Harrow, HA3 8EY
• Sold Jul 2022£775,000 | 5 Bed House16, Upton Gardens, Harrow, HA3 0DL16, Upton Gardens, Harrow, HA3 0DL
• Sold Jun 2022£700,000 | 5 Bed House32, Carlton Avenue, Harrow, HA3 8AY32, Carlton Avenue, Harrow, HA3 8AY
• Sold Apr 2022£800,000 | 4 Bed House33, Becmead Avenue, Harrow, HA3 8HD33, Becmead Avenue, Harrow, HA3 8HD
• Sold Aug 2021£853,500 | 4 Bed House23, Hawthorne Avenue, Harrow, HA3 8AG23, Hawthorne Avenue, Harrow, HA3 8AG
• Sold May 2021£842,000 | 5 Bed House3, Briar Road, Harrow, HA3 0DP3, Briar Road, Harrow, HA3 0DP
• Sold Apr 2021£775,000 | 5 Bed House6, Winchfield Close, Harrow, HA3 0DT6, Winchfield Close, Harrow, HA3 0DT
• Sold Aug 2020£635,000 | 4 Bed House49, Becmead Avenue, Harrow, HA3 8HD49, Becmead Avenue, Harrow, HA3 8HD
• Sold Nov 2017£780,000 | 5 Bed House20, Mayfield Avenue, Harrow, HA3 8EU20, Mayfield Avenue, Harrow, HA3 8EU
• Sold Sep 2017£620,000 | 4 Bed House33, Hawthorne Avenue, Harrow, HA3 8AG33, Hawthorne Avenue, Harrow, HA3 8AG
• Sold Dec 2012£548,000 | 5 Bed House31, Becmead Avenue, Harrow, HA3 8HD31, Becmead Avenue, Harrow, HA3 8HD
• Sold Apr 2008£490,000 | 5 Bed House16, Mayfield Avenue, Harrow, HA3 8EU16, Mayfield Avenue, Harrow, HA3 8EU

Of the 49 addresses on Mayfield Avenue, Harrow, HA3, 12, Mayfield Avenue, Harrow comes out as the 4th largest and the 2nd most expensive in our analysis of the public data.

It is also £322k more expensive than the average property across the HA3 district.

• 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

The flood risk here is rated Very Low, based on Environment Agency data.