91, Park Street last changed hands on 17th December 1999, selling for £5,200,000. The transaction was logged as a leasehold flat by HM Land Registry.

In total it has sold twice since 1995.

• Sold Dec 1999£5,200,000
• Sold Dec 1997£3,050,000

Land Registry records and our Estate Agent network show 555 sales within 400 metres of 91, Park Street across the last 2 years.

Most recently, Flat 1, 97-99 , Park Street, London, W1K 7HA, a leasehold flat, sold at £7,250,000 on the 27th August 2025.

Read more about house prices in W1.

• Sold Aug 2025£7,250,000 | 4 Bed FlatFlat 1, 97-99 , Park Street, London, W1K 7HAFlat 1, 97-99 , Park Street, London, W1K 7HA
• Sold May 2025£1,550,000 | 3 Bed FlatFlat 6, 97-99 , Park Street, London, W1K 7HAFlat 6, 97-99 , Park Street, London, W1K 7HA
• Sold May 2024£19,000,000 | 5 Bed House93, Park Street, London, W1K 7HS93, Park Street, London, W1K 7HS

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

Agents in our network have reported 1 letting within 400 metres of 91, Park Street across the last 2 years.

The newest of these is Apartment 2.02, 65, Duke Street, London, W1K 5NX, a leasehold flat let by Maplewood Property in June 2025.

• 
  Let agreed Jun 2025£ Undisclosed | 3 Bed FlatApartment 2.02, 65, Duke Street, London, W1K 5NXApartment 2.02, 65, Duke Street, London, W1K 5NX

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

• St George's Hanover Square CofE Primary School

  500 m away
• St Vincent's Catholic Primary School

  800 m away
• Hampden Gurney CofE Primary School

  800 m away

• The St Marylebone CofE School

  1.2 km away
• Marylebone Boys' School

  1.7 km away
• Westminster City School

  1.9 km away

• Marble Arch

  |

  300 m away
• Bond Street (Elizabeth line)

  |

  500 m away
• Bond Street

  |

  500 m away

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