Housing Minister Mark Prisk has said that the multi-million pound FirstBuy scheme could help up to 27,000 families.
It helps by reducing the amount of deposit buyers have to find.
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Seasonal rains have battered the country since late June with more than 150,000 people affected by floods and landslides.
The bus reportedly hit a tree near Russell Square.
Low pressure will throw cloud and few showers across the UK today, but it will also draw in very warm air from Europe again.