According to data from HM Land Registry, 31, Niagara Avenue sits on a plot of 243 m².

We have plot size data on 40 out of 40 other houses in the postcode and 31, Niagara Avenue sits on the 7th largest plot.

31, Niagara Avenue has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 24 Jul 2015.

The property is connected to mains gas and has partial double glazing. It is heated using Boiler and radiators, mains gas.

According to HM Land Registry, 31, Niagara Avenue was last sold on 3rd November 2015 for £1,125,000 and was recorded as a freehold house.

The property has had 3 sales since 1995.

Since November 2015, the market for similar properties has risen by 37.6%.

• Sold Nov 2015£1,125,000
• Sold Aug 2001£400,000
• Sold Jul 1997£190,000

According to the Land Registry and our network of Estate Agents, there have been 115 sales of properties similar to 31, Niagara Avenue within a radius of 450 metres over the last 2 years.

The most recent example is 354, Windmill Road, London, W5 4UR, a freehold house which sold for £1,040,000 on the 7th November 2025.

Read more about house prices in W5.

• Sold Nov 2025£1,040,000 | 5 Bed House354, Windmill Road, London, W5 4UR354, Windmill Road, London, W5 4UR
• Sold Jul 2024£1,175,000 | 5 Bed House35, Niagara Avenue, London, W5 4UD35, Niagara Avenue, London, W5 4UD
• Sold Sep 2019£985,000 | 5 Bed House17, Niagara Avenue, London, W5 4UD17, Niagara Avenue, London, W5 4UD

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

Our network of Estate Agents reports 3 lets within 450 metres of 31, Niagara Avenue over the last 2 years.

Most recently, 25, Cranmer Avenue, London, W13 9SH, a freehold house, was let by Leslie & Co in November 2025.

• 
  Let Nov 2025£ Undisclosed | 3 Bed House25, Cranmer Avenue, London, W13 9SH25, Cranmer Avenue, London, W13 9SH
• 
  Let Oct 2025£ Undisclosed | 1 Bed Flat8, Littlewood Close, London, W13 9XH8, Littlewood Close, London, W13 9XH
• 
  Let Oct 2025£ Undisclosed | 3 Bed House16, Burnham Way, London, W13 9YE16, Burnham Way, London, W13 9YE

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

Niagara Avenue, London, W5 has a total of 42 addresses. According to our analysis of all the public data, 31, Niagara Avenue is the 8th largest and the 10th most expensive property on the street.

When compared to the postcode district it is £354k more expensive than the average property in W5.

• Little Ealing Primary School

  400 m away
• Mount Carmel Catholic Primary School

  400 m away
• Fielding Primary School

  600 m away

• Ealing Fields Church of England High School

  200 m away
• Gunnersbury Catholic School

  400 m away
• Elthorne Park High School

  1.1 km away

• Northfields

  |

  200 m away
• South Ealing

  |

  700 m away
• Boston Manor

  |

  700 m away

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