Written questions by Davis.

Commonwealth and Development Affairs, if he will make an assessment of the potential merits of issuing sanctions on individuals associated with the detention of Alaa Abd El-Fattah in Egypt.

We remain committed to securing Mr Alaa Abd El-Fattah's release. We raise his case at the highest levels. The Prime Minister did so with President Sisi on 8 August, the Foreign Secretary with Foreign Minister Abdelatty on 7 October and myself with Foreign Minister Abdelatty on 15 October. Our approach to the case is under regular review. It is not appropriate to speculate on possible future designations.

What estimate he has made of the amount of roof space in the UK that would be suitable for installing solar panels.

As part of our mission for clean power we will unleash a UK solar rooftop revolution, alongside accelerating energy efficiency improvements of the existing housing stock. Rooftop solar on new homes and buildings will, where appropriate, play an important role in the drive for solar, delivering cleaner energy and lower bills to millions of households and businesses. Future standards next year will set our new homes and buildings on a path that moves away from relying on volatile fossil fuels and ensures they are fit for a net zero future.