Theresa May defends her EU deal in the Commons, after two cabinet ministers and two junior ministers resign in protest.
Brexit Secretary Mike Russell will deliver the Scottish government's reaction to the Brexit deal from 2.30pm.
The European Parliament approves new caps on the price of a intra-EU phone calls and text messages.
Committee members scrutinise the Welsh Government draft budget. Debates include replacing EU Funding for Wales, and animal welfare.
The RHI Inquiry's public hearings draw to a close with more revelations about the botched scheme.
The Lords will debate the proposed suspension Lord Lester of Herne Hill on Thursday, but an unprecedented amendment means peers will be arguing about whether the process was fair.