20, Greystone Gardens, Harrow occupies a 634 m² plot as recorded by HM Land Registry.

All 20 other houses in this postcode have recorded plot sizes, and this one ranks as the 5th largest.

20, Greystone Gardens, Harrow last changed hands on 7th January 2008, selling for £769,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold twice since 1995.

The market for similar properties has risen by 43.9% since January 2008.

• Sold Jan 2008£769,000
• Sold Jun 1995£167,000

Land Registry records and our Estate Agent network show 37 sales of comparable properties within 610 metres of 20, Greystone Gardens, Harrow since 2007.

Most recently, 251, Kenton Road, Harrow, HA3 0HQ, a freehold house, sold at £850,000 on the 6th October 2025.

Read more about house prices in HA3.

• Sold Oct 2025£850,000 | 5 Bed House251, Kenton Road, Harrow, HA3 0HQ251, Kenton Road, Harrow, HA3 0HQ
• Sold Nov 2024£990,000 | 5 Bed House30, Aston Avenue, Harrow, HA3 0DB30, Aston Avenue, Harrow, HA3 0DB
• Sold May 2024£885,000 | 5 Bed House8, The Ridgeway, Harrow, HA3 0LL8, The Ridgeway, Harrow, HA3 0LL
• Sold May 2022£875,000 | 5 Bed House14, Ebrington Road, Harrow, HA3 0LR14, Ebrington Road, Harrow, HA3 0LR
• Sold Apr 2022£1,262,000 | 5 Bed House6, Ilmington Road, Harrow, HA3 0NH6, Ilmington Road, Harrow, HA3 0NH
• Sold Jan 2022£925,000 | 5 Bed House3, Mayfield Avenue, Harrow, HA3 8EX3, Mayfield Avenue, Harrow, HA3 8EX
• Sold Oct 2020£885,000 | 5 Bed House8, Sedgecombe Avenue, Harrow, HA3 0HL8, Sedgecombe Avenue, Harrow, HA3 0HL
• Sold Apr 2020£850,000 | 5 Bed House40, The Ridgeway, Harrow, HA3 0LL40, The Ridgeway, Harrow, HA3 0LL
• Sold Nov 2018£350,000 | 5 Bed House78, Woodcock Hill, Harrow, HA3 0JD78, Woodcock Hill, Harrow, HA3 0JD
• Sold Apr 2018£900,000 | 5 Bed House18, Lapstone Gardens, Harrow, HA3 0ED18, Lapstone Gardens, Harrow, HA3 0ED
• Sold Apr 2018£700,000 | 5 Bed House15, Dovedale Avenue, Harrow, HA3 0DX15, Dovedale Avenue, Harrow, HA3 0DX
• Sold Jul 2017£950,000 | 5 Bed House14, The Ridgeway, Harrow, HA3 0LL14, The Ridgeway, Harrow, HA3 0LL
• Sold Jun 2017£1,075,000 | 5 Bed House56, The Ridgeway, Harrow, HA3 0LL56, The Ridgeway, Harrow, HA3 0LL
• Sold May 2017£930,000 | 5 Bed House8, Greystone Gardens, Harrow, HA3 0EG8, Greystone Gardens, Harrow, HA3 0EG
• Sold Nov 2016£1,050,000 | 5 Bed House58, The Ridgeway, Harrow, HA3 0LL58, The Ridgeway, Harrow, HA3 0LL
• Sold Mar 2016£945,000 | 5 Bed House15, Sheridan Gardens, Harrow, HA3 0JT15, Sheridan Gardens, Harrow, HA3 0JT
• Sold May 2015£550,000 | 5 Bed House52, Northwick Avenue, Harrow, HA3 0AB52, Northwick Avenue, Harrow, HA3 0AB
• Sold Jan 2014£925,000 | 5 Bed House235, Kenton Road, Harrow, HA3 0HD235, Kenton Road, Harrow, HA3 0HD
• Sold Jan 2014£620,000 | 5 Bed House25, The Ridgeway, Harrow, HA3 0LN25, The Ridgeway, Harrow, HA3 0LN
• Sold Sep 2007£645,000 | 5 Bed House6, Greystone Gardens, Harrow, HA3 0EG6, Greystone Gardens, Harrow, HA3 0EG

Our analysis of the public data ranks 20, Greystone Gardens, Harrow as the 4th largest and the most expensive of the 31 addresses on Greystone Gardens, Harrow, HA3.

Against the HA3 postcode district average, it is £573k more expensive than the typical property.

• Mount Stewart Infant School

  700 m away
• Mount Stewart Junior School

  800 m away
• Uxendon Manor Primary School

  1.0 km away

• St Gregory's Catholic Science College

  600 m away
• Harrow High School

  1.1 km away
• Claremont High School

  1.3 km away

• Kenton

  |

  400 m away
• Northwick Park

  |

  500 m away

Environment Agency data suggests this area has a Very Low risk of flooding.