According to data from HM Land Registry, 21, Third Avenue sits on a plot of 233 m².

We have plot size data on 20 out of 20 other houses in the postcode and 21, Third Avenue sits on the 8th largest plot.

21, Third Avenue has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 06 Apr 2022.

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).

According to HM Land Registry, 21, Third Avenue was last sold on 3rd October 2022 for £1,850,000 and was recorded as a freehold house.

The property has had 2 sales since 1995.

Since October 2022, the market for similar properties has dropped by 1.7%.

• Sold Oct 2022£1,850,000
• Sold Jul 2015£999,950

According to the Land Registry and our network of Estate Agents, there have been 28 sales of properties similar to 21, Third Avenue within a radius of 280 metres since 2010.

The most recent example is 38, First Avenue, London, W3 7JR, a freehold house which sold for £1,405,000 on the 28th March 2025.

Read more about house prices in W3.

• Sold Mar 2025£1,405,000 | 5 Bed House38, First Avenue, London, W3 7JR38, First Avenue, London, W3 7JR
• Sold Apr 2024£1,800,000 | 4 Bed House21, Second Avenue, London, W3 7RX21, Second Avenue, London, W3 7RX
• Sold Sep 2023£1,250,000 | 5 Bed House22, Sir Alexander Close, London, W3 7JQ22, Sir Alexander Close, London, W3 7JQ
• Sold Apr 2023£1,595,000 | 5 Bed House6, Third Avenue, London, W3 7RT6, Third Avenue, London, W3 7RT
• Sold Jan 2023£1,130,000 | 5 Bed House4, First Avenue, London, W3 7JR4, First Avenue, London, W3 7JR
• Sold Jun 2022£1,700,000 | 5 Bed House5, Second Avenue, London, W3 7RX5, Second Avenue, London, W3 7RX
• Sold Jan 2021£1,055,000 | 5 Bed House1, First Avenue, London, W3 7JP1, First Avenue, London, W3 7JP
• Sold Oct 2020£1,325,000 | 5 Bed House33, First Avenue, London, W3 7JP33, First Avenue, London, W3 7JP
• Sold Jan 2017£1,490,000 | 5 Bed House1, Agnes Road, London, W3 7RE1, Agnes Road, London, W3 7RE
• Sold Nov 2016£1,500,000 | 5 Bed House21, Sir Alexander Close, London, W3 7JQ21, Sir Alexander Close, London, W3 7JQ
• Sold Aug 2015£1,250,000 | 5 Bed House42, First Avenue, London, W3 7JR42, First Avenue, London, W3 7JR
• Sold May 2015£1,530,000 | 5 Bed House25, First Avenue, London, W3 7JP25, First Avenue, London, W3 7JP
• Sold Mar 2015£1,300,000 | 5 Bed House8, First Avenue, London, W3 7JR8, First Avenue, London, W3 7JR
• Sold Aug 2014£1,290,000 | 5 Bed House16, Sir Alexander Close, London, W3 7JQ16, Sir Alexander Close, London, W3 7JQ
• Sold Jul 2014£1,300,000 | 5 Bed House19, Sir Alexander Close, London, W3 7JQ19, Sir Alexander Close, London, W3 7JQ
• Sold Jul 2014£1,275,000 | 5 Bed House20, Sir Alexander Close, London, W3 7JQ20, Sir Alexander Close, London, W3 7JQ
• Sold Dec 2013£1,190,000 | 5 Bed House32, First Avenue, London, W3 7JR32, First Avenue, London, W3 7JR
• Sold Dec 2012£690,000 | 5 Bed House16, Second Avenue, London, W3 7RX16, Second Avenue, London, W3 7RX
• Sold Jul 2012£720,000 | 5 Bed House3, Third Avenue, London, W3 7RT3, Third Avenue, London, W3 7RT
• Sold Oct 2010£710,000 | 5 Bed House22, First Avenue, London, W3 7JR22, First Avenue, London, W3 7JR

Our network of Estate Agents reports 12 lets within 280 metres of 21, Third Avenue over the last 2 years.

Most recently, Flat 242, Bromyard House, Bromyard Avenue, London, W3 7BN, a leasehold flat, was let by Jorgensen Turner in November 2025.

• 
  Let Nov 2025£ Undisclosed | 2 Bed FlatFlat 242, Bromyard House, Bromyard Avenue, London, W3 7BNFlat 242, Bromyard House, Bromyard Avenue, London, W3 7BN
• 
  Let agreed Nov 2024£ Undisclosed | 4 Bed Flat6, Beech Avenue, London, W3 7JY6, Beech Avenue, London, W3 7JY
• 
  Let agreed Oct 2024£ Undisclosed | 1 Bed FlatFlat 2, 13, The Vale, London, W3 7SHFlat 2, 13, The Vale, London, W3 7SH
• 
  Let Mar 2024£ Undisclosed | 1 Bed FlatFlat 19, Napier House, Bromyard Avenue, London, W3 7FFFlat 19, Napier House, Bromyard Avenue, London, W3 7FF
• 
  Let Dec 2023£ Undisclosed | 2 Bed Flat35, Vale Court, London, W3 7SA35, Vale Court, London, W3 7SA
• 
  Let Nov 2023£ Undisclosed | Flat26C , Third Avenue, London, W3 7RT26C , Third Avenue, London, W3 7RT
• 
  Let Sep 2023£ Undisclosed | FlatFlat 5, Napier House, Bromyard Avenue, London, W3 7FFFlat 5, Napier House, Bromyard Avenue, London, W3 7FF
• 
  Let agreed Jul 2023£ Undisclosed | 1 Bed FlatFlat 7, Napier House, Bromyard Avenue, London, W3 7FFFlat 7, Napier House, Bromyard Avenue, London, W3 7FF
• 
  Let Jun 2023£ Undisclosed | 4 Bed Flat18, Sir Alexander Road, London, W3 7JG18, Sir Alexander Road, London, W3 7JG
• 
  Let Dec 2022£ Undisclosed | FlatFlat 4, Napier House, Bromyard Avenue, London, W3 7FFFlat 4, Napier House, Bromyard Avenue, London, W3 7FF
• 
  Let Apr 2022£ Undisclosed | 1 Bed FlatFlat 18, Napier House, Bromyard Avenue, London, W3 7FFFlat 18, Napier House, Bromyard Avenue, London, W3 7FF
• 
  Let Dec 2021£ Undisclosed | 1 Bed Flat12, Agnes Road, London, W3 7RE12, Agnes Road, London, W3 7RE

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

Third Avenue, London, W3 has a total of 70 addresses. According to our analysis of all the public data, 21, Third Avenue is the largest and the most expensive property on the street.

When compared to the postcode district it is £859k more expensive than the average property in W3.

• Wendell Park Primary School

  500 m away
• Good Shepherd RC Primary School

  600 m away
• East Acton Primary School

  700 m away

• Phoenix Academy

  1.0 km away
• Hammersmith Academy

  1.1 km away
• Ark Burlington Danes Academy

  1.8 km away

• East Acton

  |

  1.0 km away
• Acton Central

  |

  1.0 km away
• Turnham Green

  |

  1.4 km away

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