21, Grasgarth Close has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 29 Apr 2023.

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

The most recent sale of 21, Grasgarth Close completed on 19th December 2003 at £180,000 and was recorded by HM Land Registry as a leasehold flat.

Since 1995 this is the property's only sale.

Since 2011 43 properties similar to 21, Grasgarth Close have sold within a radius of 340 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 19th December 2025, was Flat 1, Tamarind Court, Lynton Road, London, W3 9HY, a leasehold flat which sold for £230,000.

Read more about house prices in W3.

• Sold Dec 2025£230,000 | 1 Bed FlatFlat 1, Tamarind Court, Lynton Road, London, W3 9HYFlat 1, Tamarind Court, Lynton Road, London, W3 9HY
• Sold Aug 2024£318,000 | 1 Bed FlatFlat 4, 5, Acacia Road, London, W3 6HEFlat 4, 5, Acacia Road, London, W3 6HE
• Sold Oct 2023£305,000 | 2 Bed Flat22, Grasgarth Close, London, W3 9HS22, Grasgarth Close, London, W3 9HS
• Sold Mar 2023£300,000 | 1 Bed FlatFlat 5, 31, Acacia Road, London, W3 6HBFlat 5, 31, Acacia Road, London, W3 6HB
• Sold Mar 2023£300,000 | 1 Bed FlatFlat 5, Ancroft House 28, Horn Lane, London, W3 6QYFlat 5, Ancroft House 28, Horn Lane, London, W3 6QY
• Sold Dec 2022£312,500 | 2 Bed FlatFlat 6, Creswick Court, Pierrepoint Road, London, W3 9JPFlat 6, Creswick Court, Pierrepoint Road, London, W3 9JP
• Sold Jul 2022£362,000 | 2 Bed Flat31C , Essex Road, London, W3 9JA31C , Essex Road, London, W3 9JA
• Sold May 2022£275,000 | 1 Bed FlatFlat 3, 7, Rosemont Road, London, W3 9LTFlat 3, 7, Rosemont Road, London, W3 9LT
• Sold Feb 2022£280,000 | 1 Bed FlatFlat 4, 17, Rosemont Road, London, W3 9LUFlat 4, 17, Rosemont Road, London, W3 9LU
• Sold Sep 2021£300,000 | 2 Bed Flat19, Grasgarth Close, London, W3 9HS19, Grasgarth Close, London, W3 9HS
• Sold Nov 2019£302,000 | 1 Bed FlatFlat 2, Tamarind Court, Lynton Road, London, W3 9HYFlat 2, Tamarind Court, Lynton Road, London, W3 9HY
• Sold Feb 2019£350,000 | 1 Bed FlatFlat 3, 1, Cumberland Road, London, W3 6EXFlat 3, 1, Cumberland Road, London, W3 6EX
• Sold Oct 2018£325,000 | 2 Bed FlatFlat 4, Ancroft House 28, Horn Lane, London, W3 6QYFlat 4, Ancroft House 28, Horn Lane, London, W3 6QY
• Sold Sep 2018£325,000 | 1 Bed FlatFlat 2, 1, Cumberland Road, London, W3 6EXFlat 2, 1, Cumberland Road, London, W3 6EX
• Sold Aug 2018£350,000 | 2 Bed Flat31B , Essex Road, London, W3 9JA31B , Essex Road, London, W3 9JA
• Sold Jul 2018£375,000 | 2 Bed FlatFlat 5, 1, Cumberland Road, London, W3 6EXFlat 5, 1, Cumberland Road, London, W3 6EX
• Sold Dec 2016£360,000 | 1 Bed FlatFlat 12, Townshend House, Rosemont Road, London, W3 9AXFlat 12, Townshend House, Rosemont Road, London, W3 9AX
• Sold Jul 2016£409,950 | 2 Bed FlatFlat 6, 1, Cumberland Road, London, W3 6EXFlat 6, 1, Cumberland Road, London, W3 6EX
• Sold Dec 2014£330,000 | 2 Bed Flat14, Grasgarth Close, London, W3 9HS14, Grasgarth Close, London, W3 9HS
• Sold Jun 2011£245,000 | 1 Bed FlatFlat 6, Townshend House, Rosemont Road, London, W3 9AXFlat 6, Townshend House, Rosemont Road, London, W3 9AX

Over the past 2 years our Estate Agent network has recorded 1 let of a property comparable to 21, Grasgarth Close, all within 340 metres.

The latest, in September 2025, was 55A , Summerlands Avenue, London, W3 6EW, a leasehold flat let by Jorgensen Turner.

• 
  Let Sep 2025£ Undisclosed | 1 Bed Flat55A , Summerlands Avenue, London, W3 6EW55A , Summerlands Avenue, London, W3 6EW

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

Of the 33 addresses on Grasgarth Close, London, W3, 21, Grasgarth Close comes out as the 33rd largest and the 33rd most expensive in our analysis of the public data.

It is also £265k less expensive than the average property across the W3 district.

• St Vincent's Catholic Primary School

  200 m away
• Derwentwater Primary School

  300 m away
• West Acton Primary School

  800 m away

• Twyford Church of England High School

  600 m away
• Ark Soane Academy

  700 m away
• Ark Acton Academy

  1.1 km away

• Acton Main Line

  |

  500 m away
• Acton Central

  |

  600 m away
• West Acton

  |

  900 m away

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