Bank of England warned of 25% Sterling depreciation in case of disorderly Brexit

This is the summary of the Bank of England scenarios for Brexit aftermath:

• Bank of England says worst-case "disorderly" Brexit would lead to 8% fall in GDP in short-term, unemployment of 7.5%, inflation 6.5%, house prices down 30%, Sterling 25% weaker
• Bank of England says "disruptive" Brexit would lead to 3% fall in GDP in short-term, unemployment of 5.75%, inflation 4.25%, house prices down 14%, Sterling 15% weaker 
• Bank of England says "unprepared" shift to WTO trade rules would lead to 5.5% fall in GDP vs. current forecasts, "prepared" move to WTO rules would lead to 2.5% fall 
• Bank of England says "close" EU trade relationship would boost GDP by 1.75% vs. November forecasts, "less close" would cost 0.75%