21, Osterley Crescent, Isleworth has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 25 Mar 2009.

The property is connected to mains gas and has multiple glazing throughout|gwydrau lluosog ym mhobman. It is heated using a boiler and radiators (|bwyler a rheiddiaduron, |mains gas|nwy prif gyflenwad).

21, Osterley Crescent, Isleworth last changed hands on 18th September 2007, selling for £407,500. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold 3 times since 1995.

The market for similar properties has risen by 73.6% since September 2007.

• Sold Sep 2007£407,500
• Sold Jan 2004£345,000
• Sold May 2002£247,000

Land Registry records and our Estate Agent network show 130 sales of comparable properties within 480 metres of 21, Osterley Crescent, Isleworth since 2013.

Most recently, 60, Harewood Road, Isleworth, TW7 5HL, a freehold house, sold at £837,500 on the 2nd October 2025.

Read more about house prices in TW7.

• Sold Oct 2025£837,500 | 4 Bed House60, Harewood Road, Isleworth, TW7 5HL60, Harewood Road, Isleworth, TW7 5HL
• Sold Aug 2025£690,000 | 4 Bed House82, Harewood Road, Isleworth, TW7 5HL82, Harewood Road, Isleworth, TW7 5HL
• Sold Aug 2025£712,000 | 4 Bed House89, Harewood Road, Isleworth, TW7 5HN89, Harewood Road, Isleworth, TW7 5HN
• Sold Apr 2025£750,000 | 4 Bed House4, Albury Avenue, Isleworth, TW7 5HX4, Albury Avenue, Isleworth, TW7 5HX
• Sold Mar 2025£800,000 | 4 Bed House13, Borough Road, Isleworth, TW7 5DY13, Borough Road, Isleworth, TW7 5DY
• Sold Jan 2025£760,000 | 4 Bed House42, Harewood Road, Isleworth, TW7 5HL42, Harewood Road, Isleworth, TW7 5HL
• Sold Jul 2023£750,000 | 4 Bed House35, Academy Place, Isleworth, TW7 5FD35, Academy Place, Isleworth, TW7 5FD
• Sold Mar 2023£700,000 | 4 Bed House84, Roxborough Avenue, Isleworth, TW7 5HJ84, Roxborough Avenue, Isleworth, TW7 5HJ
• Sold May 2022£715,000 | 4 Bed House25, Ridgeway Road, Isleworth, TW7 5LB25, Ridgeway Road, Isleworth, TW7 5LB
• Sold Jan 2022£600,000 | 4 Bed House11, Academy Place, Isleworth, TW7 5FD11, Academy Place, Isleworth, TW7 5FD
• Sold Nov 2021£669,950 | 4 Bed House15, Harvard Road, Isleworth, TW7 4PA15, Harvard Road, Isleworth, TW7 4PA
• Sold Oct 2021£738,750 | 4 Bed House23, Borough Road, Isleworth, TW7 5DT23, Borough Road, Isleworth, TW7 5DT
• Sold Aug 2021£678,500 | 4 Bed House15, Academy Place, Isleworth, TW7 5FD15, Academy Place, Isleworth, TW7 5FD
• Sold Jun 2021£640,000 | 4 Bed House7, Academy Place, Isleworth, TW7 5FD7, Academy Place, Isleworth, TW7 5FD
• Sold Jan 2021£675,000 | 4 Bed House31, Academy Place, Isleworth, TW7 5FD31, Academy Place, Isleworth, TW7 5FD
• Sold Jul 2018£615,000 | 4 Bed House13, Academy Place, Isleworth, TW7 5FD13, Academy Place, Isleworth, TW7 5FD
• Sold Mar 2018£725,000 | 4 Bed House27, Borough Road, Isleworth, TW7 5DT27, Borough Road, Isleworth, TW7 5DT
• Sold Nov 2017£695,000 | 4 Bed House91, College Road, Isleworth, TW7 5DP91, College Road, Isleworth, TW7 5DP
• Sold Jul 2016£750,000 | 4 Bed House97, College Road, Isleworth, TW7 5DP97, College Road, Isleworth, TW7 5DP
• Sold Nov 2013£550,000 | 4 Bed House23, Osterley Crescent, Isleworth, TW7 5LF23, Osterley Crescent, Isleworth, TW7 5LF

Our analysis of the public data ranks 21, Osterley Crescent, Isleworth as the 6th largest and the 5th most expensive of the 25 addresses on Osterley Crescent, Isleworth, TW7.

Against the TW7 postcode district average, it is £308k more expensive than the typical property.

• Marlborough Primary School

  700 m away
• The Smallberry Green Primary School

  800 m away
• Isleworth Town Primary School

  900 m away

• Isleworth and Syon School for Boys

  300 m away
• The Green School for Girls

  900 m away
• The Green School for Boys

  1.0 km away

• Isleworth

  |

  500 m away
• Syon Lane

  |

  900 m away
• Osterley

  |

  1.0 km away

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