9 Windsor House, Stanmore has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 09 Dec 2012.

The property is not connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

9 Windsor House, Stanmore last changed hands on 27th November 2003, selling for £370,950. The transaction was logged as a leasehold flat by HM Land Registry.

That is its only recorded sale since 1995.

• Sold Nov 2003£370,950

Land Registry records and our Estate Agent network show 122 sales of comparable properties within 510 metres of 9 Windsor House, Stanmore since 2015.

Most recently, Flat 2, Sandown Court 24, Marsh Lane, Stanmore, HA7 4HZ, a leasehold flat, sold at £490,000 on the 27th April 2026.

Read more about house prices in HA7.

• Sold Apr 2026£490,000 | 3 Bed FlatFlat 2, Sandown Court 24, Marsh Lane, Stanmore, HA7 4HZFlat 2, Sandown Court 24, Marsh Lane, Stanmore, HA7 4HZ
• Sold Dec 2025£475,000 | 3 Bed FlatFlat 8, Oaklawn Court 9, Gordon Avenue, Stanmore, HA7 3JTFlat 8, Oaklawn Court 9, Gordon Avenue, Stanmore, HA7 3JT
• Sold Jul 2025£535,000 | 3 Bed Flat3, Goodwood Close, Stanmore, HA7 4HX3, Goodwood Close, Stanmore, HA7 4HX
• Sold Jun 2025£478,000 | 3 Bed Flat1, Goodwood Close, Stanmore, HA7 4HX1, Goodwood Close, Stanmore, HA7 4HX
• Sold Mar 2025£487,500 | 3 Bed FlatFlat 3, Sandown Court 24, Marsh Lane, Stanmore, HA7 4HZFlat 3, Sandown Court 24, Marsh Lane, Stanmore, HA7 4HZ
• Sold Jan 2025£327,000 | 3 Bed Flat21, Lady Aylesford Avenue, Stanmore, HA7 4FG21, Lady Aylesford Avenue, Stanmore, HA7 4FG
• Sold Sep 2024£580,000 | 3 Bed Flat2 Pond House, Lady Aylesford Avenue, Stanmore, HA7 4FQ2 Pond House, Lady Aylesford Avenue, Stanmore, HA7 4FQ
• Sold Nov 2023£400,000 | 3 Bed FlatFlat 2, Kingsgate House 29-39, The Broadway, Stanmore, HA7 4DJFlat 2, Kingsgate House 29-39, The Broadway, Stanmore, HA7 4DJ
• Sold Aug 2023£485,000 | 2 Bed Flat2, Goodwood Close, Stanmore, HA7 4HX2, Goodwood Close, Stanmore, HA7 4HX
• Sold Jul 2023£376,000 | 2 Bed FlatFlat 5, Kingsgate House 29-39, The Broadway, Stanmore, HA7 4DJFlat 5, Kingsgate House 29-39, The Broadway, Stanmore, HA7 4DJ
• Sold Nov 2022£407,000 | 2 Bed FlatFlat 11, Kingsgate House 29-39, The Broadway, Stanmore, HA7 4DJFlat 11, Kingsgate House 29-39, The Broadway, Stanmore, HA7 4DJ
• Sold Aug 2022£520,000 | 3 Bed Flat35, Laburnum Court, Stanmore, HA7 4JP35, Laburnum Court, Stanmore, HA7 4JP
• Sold Jul 2022£500,000 | 2 Bed Flat19 Pond House, Lady Aylesford Avenue, Stanmore, HA7 4FQ19 Pond House, Lady Aylesford Avenue, Stanmore, HA7 4FQ
• Sold Apr 2022£550,000 | 2 Bed Flat12 Windsor House, Pynnacles Close, Stanmore, HA7 4FE12 Windsor House, Pynnacles Close, Stanmore, HA7 4FE
• Sold Oct 2021£425,000 | 3 Bed Flat8, Goodwood Close, Stanmore, HA7 4HX8, Goodwood Close, Stanmore, HA7 4HX
• Sold Jun 2021£440,000 | 2 Bed FlatFlat 13, Kingsgate House 29-39, The Broadway, Stanmore, HA7 4DJFlat 13, Kingsgate House 29-39, The Broadway, Stanmore, HA7 4DJ
• Sold Apr 2020£350,000 | 2 Bed FlatFlat 6, Compass House, Pynnacles Close, Stanmore, HA7 4ASFlat 6, Compass House, Pynnacles Close, Stanmore, HA7 4AS
• Sold Oct 2019£497,000 | 3 Bed FlatUnit 28, Buckingham House East, Buckingham Parade, Stanmore, HA7 4EBUnit 28, Buckingham House East, Buckingham Parade, Stanmore, HA7 4EB
• Sold Oct 2018£384,000 | 2 Bed Flat10 Cherchefelle Mews, Green Lane, Stanmore, HA7 3AA10 Cherchefelle Mews, Green Lane, Stanmore, HA7 3AA
• Sold Jun 2015£900,000 | 3 Bed Flat45A, The Broadway, Stanmore, HA7 4DJ45A, The Broadway, Stanmore, HA7 4DJ

Agents in our network have reported 1 letting within 510 metres of 9 Windsor House, Stanmore across the last 2 years.

The newest of these is 6 Green Lane Cottages, Green Lane, Stanmore, HA7 3AE, a freehold house let by Fine Living in March 2026.

• 
  Let agreed Mar 2026£ Undisclosed | 2 Bed House6 Green Lane Cottages, Green Lane, Stanmore, HA7 3AE6 Green Lane Cottages, Green Lane, Stanmore, HA7 3AE

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

Our analysis of the public data ranks 9 Windsor House, Stanmore as the 23rd largest and the 23rd most expensive of the 63 addresses on Pynnacles Close, Stanmore, HA7.

Against the HA7 postcode district average, it is £172k less expensive than the typical property.

• St John's CofE School

  600 m away
• Aylward Primary School

  1.2 km away
• Stanburn Primary School

  1.2 km away

• Avanti House School

  1.2 km away
• Bentley Wood High School

  1.3 km away
• Park High School

  2.1 km away

• Stanmore

  |

  800 m away
• Canons Park

  |

  1.7 km away
• Edgware

  |

  2.7 km away

Environment Agency data suggests this area has a Very Low risk of flooding.