The driving is on the left, which strongly suggests the UK. The red brick architecture and the specific style of the street lamps and fencing are very characteristic of London. There is a flag on the building to the left that looks like the flag of Afghanistan, which might indicate an embassy or diplomatic building. The overall atmosphere and urban layout point towards a central London neighborhood. I am fairly confident this is in London, UK.

then: forward

The flag on the building is clearly the flag of Slovakia, confirming this is the Slovak Embassy in London. The architecture and the presence of the Kensington area street style reinforce this location. I am very certain this is near the Royal Geographical Society in South Kensington. I have enough information to pinpoint the location.

then: guess