12, Retreat Close, Harrow occupies a 224 m² plot as recorded by HM Land Registry.

All 17 other houses in this postcode have recorded plot sizes, and this one ranks as the 17th largest.

12, Retreat Close, Harrow has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 31 Jul 2025.

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

12, Retreat Close, Harrow last changed hands on 20th May 1999, selling for £160,000. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

Land Registry records and our Estate Agent network show 82 sales of comparable properties within 590 metres of 12, Retreat Close, Harrow since 2014.

Most recently, 18, Elmsleigh Avenue, Harrow, HA3 8HZ, a freehold house, sold at £655,000 on the 8th August 2025.

Read more about house prices in HA3.

• Sold Aug 2025£655,000 | 3 Bed House18, Elmsleigh Avenue, Harrow, HA3 8HZ18, Elmsleigh Avenue, Harrow, HA3 8HZ
• Sold Jul 2025£575,000 | 3 Bed House32, Brookfield Crescent, Harrow, HA3 0UT32, Brookfield Crescent, Harrow, HA3 0UT
• Sold Mar 2025£570,000 | 4 Bed House5, Hillview Avenue, Harrow, HA3 0UR5, Hillview Avenue, Harrow, HA3 0UR
• Sold Mar 2025£625,000 | 3 Bed House23, Alicia Gardens, Harrow, HA3 8JB23, Alicia Gardens, Harrow, HA3 8JB
• Sold Mar 2025£580,000 | 4 Bed House34, Brookfield Crescent, Harrow, HA3 0UT34, Brookfield Crescent, Harrow, HA3 0UT
• Sold Mar 2025£650,000 | 3 Bed House61, Woodhill Crescent, Harrow, HA3 0LU61, Woodhill Crescent, Harrow, HA3 0LU
• Sold Feb 2025£640,000 | 4 Bed House24, Woodcock Hill, Harrow, HA3 0JG24, Woodcock Hill, Harrow, HA3 0JG
• Sold Oct 2024£585,000 | 4 Bed House15, Alicia Close, Harrow, HA3 8HP15, Alicia Close, Harrow, HA3 8HP
• Sold Sep 2022£660,000 | 4 Bed House18, Kenton Gardens, Harrow, HA3 8DE18, Kenton Gardens, Harrow, HA3 8DE
• Sold Nov 2021£625,000 | 4 Bed House41, Alicia Gardens, Harrow, HA3 8JB41, Alicia Gardens, Harrow, HA3 8JB
• Sold Jun 2021£750,000 | 4 Bed House45, Sedgecombe Avenue, Harrow, HA3 0HW45, Sedgecombe Avenue, Harrow, HA3 0HW
• Sold Mar 2021£585,000 | 3 Bed House23, Sedgecombe Avenue, Harrow, HA3 0HW23, Sedgecombe Avenue, Harrow, HA3 0HW
• Sold Jan 2021£657,000 | 3 Bed House7, Sedgecombe Avenue, Harrow, HA3 0HW7, Sedgecombe Avenue, Harrow, HA3 0HW
• Sold Apr 2020£595,000 | 4 Bed House20, Woodcock Hill, Harrow, HA3 0JG20, Woodcock Hill, Harrow, HA3 0JG
• Sold Sep 2019£500,000 | 3 Bed House19, Alicia Close, Harrow, HA3 8HP19, Alicia Close, Harrow, HA3 8HP
• Sold Sep 2018£555,000 | 4 Bed House9, Alicia Gardens, Harrow, HA3 8JB9, Alicia Gardens, Harrow, HA3 8JB
• Sold Apr 2017£610,000 | 3 Bed House16, Retreat Close, Harrow, HA3 0JQ16, Retreat Close, Harrow, HA3 0JQ
• Sold Dec 2015£527,000 | 3 Bed House8, Kenton Park Avenue, Harrow, HA3 8DT8, Kenton Park Avenue, Harrow, HA3 8DT
• Sold Nov 2015£608,500 | 4 Bed House3, Retreat Close, Harrow, HA3 0JQ3, Retreat Close, Harrow, HA3 0JQ
• Sold May 2014£520,000 | 3 Bed House25, Sedgecombe Avenue, Harrow, HA3 0HW25, Sedgecombe Avenue, Harrow, HA3 0HW

Our analysis of the public data ranks 12, Retreat Close, Harrow as the 13th largest and the 13th most expensive of the 17 addresses on Retreat Close, Harrow, HA3.

Against the HA3 postcode district average, it is £132k more expensive than the typical property.

• Uxendon Manor Primary School

  600 m away
• Mount Stewart Infant School

  800 m away
• Mount Stewart Junior School

  900 m away

• St Gregory's Catholic Science College

  200 m away
• Claremont High School

  800 m away
• Park High School

  1.6 km away

• Kenton

  |

  900 m away
• Northwick Park

  |

  1.2 km away
• Preston Road

  |

  1.7 km away

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