HM Land Registry records the plot of land for 21, Highfield Road, Isleworth as measuring 188 m².

That makes it the 12th largest plot in the postcode, where all 26 other houses have recorded plot data.

21, Highfield Road, Isleworth has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 12 Aug 2025.

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

The most recent sale of 21, Highfield Road, Isleworth completed on 24th March 2017 at £550,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 this is the property's only sale.

Values of comparable properties have dropped by 5.3% over the period since March 2017.

• Sold Mar 2017£550,000

Since 2011 87 properties similar to 21, Highfield Road, Isleworth have sold within a radius of 460 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 20th October 2025, was 77, College Road, Isleworth, TW7 5DP, a freehold house which sold for £665,000.

Read more about house prices in TW7.

• Sold Oct 2025£665,000 | 3 Bed House77, College Road, Isleworth, TW7 5DP77, College Road, Isleworth, TW7 5DP
• Sold Jul 2025£545,000 | 3 Bed House430, London Road, Isleworth, TW7 5AD430, London Road, Isleworth, TW7 5AD
• Sold May 2025£649,950 | 3 Bed House38, Loring Road, Isleworth, TW7 6QA38, Loring Road, Isleworth, TW7 6QA
• Sold Mar 2025£555,000 | 3 Bed House1, Aplin Way, Isleworth, TW7 4RJ1, Aplin Way, Isleworth, TW7 4RJ
• Sold Feb 2025£410,000 | 3 Bed House4, Linkfield Road, Isleworth, TW7 6QH4, Linkfield Road, Isleworth, TW7 6QH
• Sold Dec 2024£640,000 | 3 Bed House20, Parkwood Road, Isleworth, TW7 5HA20, Parkwood Road, Isleworth, TW7 5HA
• Sold Jul 2024£565,000 | 3 Bed House805, Great West Road, Isleworth, TW7 5PB805, Great West Road, Isleworth, TW7 5PB
• Sold Mar 2024£710,000 | 3 Bed House53, Borough Road, Isleworth, TW7 5DT53, Borough Road, Isleworth, TW7 5DT
• Sold Jan 2024£668,000 | 3 Bed House97, Harewood Road, Isleworth, TW7 5HN97, Harewood Road, Isleworth, TW7 5HN
• Sold Nov 2023£625,000 | 3 Bed House81, College Road, Isleworth, TW7 5DP81, College Road, Isleworth, TW7 5DP
• Sold Aug 2022£635,000 | 3 Bed House20, Harewood Road, Isleworth, TW7 5HB20, Harewood Road, Isleworth, TW7 5HB
• Sold Jul 2022£700,000 | 3 Bed House38, College Road, Isleworth, TW7 5DW38, College Road, Isleworth, TW7 5DW
• Sold Dec 2020£650,000 | 3 Bed House59, Harewood Road, Isleworth, TW7 5HN59, Harewood Road, Isleworth, TW7 5HN
• Sold Oct 2019£601,000 | 3 Bed House4, Highfield Road, Isleworth, TW7 5LD4, Highfield Road, Isleworth, TW7 5LD
• Sold Jul 2018£636,000 | 3 Bed House39, Borough Road, Isleworth, TW7 5DT39, Borough Road, Isleworth, TW7 5DT
• Sold Oct 2014£450,000 | 3 Bed House2, Highfield Road, Isleworth, TW7 5LD2, Highfield Road, Isleworth, TW7 5LD
• Sold Oct 2013£450,000 | 3 Bed House57, Wood Lane, Isleworth, TW7 5EG57, Wood Lane, Isleworth, TW7 5EG
• Sold Nov 2012£400,000 | 3 Bed House55, Wood Lane, Isleworth, TW7 5EG55, Wood Lane, Isleworth, TW7 5EG
• Sold Jul 2012£410,000 | 3 Bed House53, Harewood Road, Isleworth, TW7 5HN53, Harewood Road, Isleworth, TW7 5HN
• Sold Jan 2011£335,000 | 3 Bed House53, Wood Lane, Isleworth, TW7 5EG53, Wood Lane, Isleworth, TW7 5EG

Of the 26 addresses on Highfield Road, Isleworth, TW7, 21, Highfield Road, Isleworth comes out as the 16th largest and the 18th most expensive in our analysis of the public data.

It is also £93k more expensive than the average property across the TW7 district.

• Marlborough Primary School

  700 m away
• The Smallberry Green Primary School

  800 m away
• Isleworth Town Primary School

  800 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

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