Update: the works will now be ending at 0700 hours due them already overunning

From 00:45 on Saturday 10 until Wednesday 14 February, planned works will affect Piccadilly line services. Due to a delay in the planned works, the closure will now affect trains from Hammersmith to both Heathrow Airport and Uxbridge for a further 2 hours, until 07:00.

The full details of the closure are:
• From 00:45 until 07:00 on Saturday 10 February, there will be no service between Hammersmith and Heathrow Airport (all terminals)/Uxbridge
• From 07:00 on Saturday 10 until end of service on Wednesday 14 February, there will be no service between Acton Town and Heathrow Airport (all terminals)

Additionally, the District line will be suspended between Turnham Green and Ealing Broadway until 07:00 on Saturday 10 February