By Guy Taylor Cancelling the northern leg of High Speed Two (HS2) will cost the government up to £100m, it has been revealed. A report from the National Audit Office (NAO) revealed the cost of cancelling the section between Birmingham and Manchester could reach £100m, largely due to remediation works along the route. The spending watchdog said the government had already spent £592m buying up land and property along the now-ditched route. HS2 has battled soaring costs and delay for years, culminating in the former government’s controversial decision to axe the scheme’s northern leg to Mancheste…