According to data from HM Land Registry, 7, Northumberland Avenue, Isleworth sits on a plot of 306 m².

We have plot size data on 5 out of 5 other houses in the postcode and 7, Northumberland Avenue, Isleworth sits on the 2nd largest plot.

According to the Land Registry and our network of Estate Agents, there have been 958 property sales within 470 metres of 7, Northumberland Avenue, Isleworth over the last 2 years.

The most recent example is 32, Campion Road, Isleworth, TW7 5HS, a freehold house which sold for £660,000 on the 31st March 2025.

Read more about house prices in TW7.

• Sold Mar 2025£660,000 | 3 Bed House32, Campion Road, Isleworth, TW7 5HS32, Campion Road, Isleworth, TW7 5HS
• Sold Feb 2021£650,000 | 3 Bed House5, Northumberland Avenue, Isleworth, TW7 5HT5, Northumberland Avenue, Isleworth, TW7 5HT
• Sold Dec 2017£890,000 | 5 Bed House4, Northumberland Avenue, Isleworth, TW7 5HU4, Northumberland Avenue, Isleworth, TW7 5HU

•Nearby is defined as the radius comprising the nearest 2,000 addresses.

Our network of Estate Agents reports 1 let within 470 metres of 7, Northumberland Avenue, Isleworth over the last 2 years.

Most recently, 40, Syon Park Gardens, Isleworth, TW7 5NB, a freehold house, was let by Jorgensen Turner in August 2023.

• 
  Let agreed Aug 2023£ Undisclosed | 4 Bed House40, Syon Park Gardens, Isleworth, TW7 5NB40, Syon Park Gardens, Isleworth, TW7 5NB

•Nearby is defined as the radius comprising the nearest 2,000 addresses.

• Marlborough Primary School

  400 m away
• The Smallberry Green Primary School

  600 m away
• Isleworth Town Primary School

  700 m away

• The Green School for Girls

  600 m away
• Isleworth and Syon School for Boys

  600 m away
• The Green School for Boys

  700 m away

• Syon Lane

  |

  600 m away
• Isleworth

  |

  600 m away
• Osterley

  |

  1.3 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.