Boiler & Heating Repair Fixed Rate Call-Out/Breakdown-Diagnostic/Repair-Hour on Boiler & Heating Repairs Call Out Pricing. £90 Within normal working hours of 8am to 5pm Mon to Fri - Heating or Boiler breakdown repair fixed fee for a Call-Out/Breakdown-Diagnostic/Repair-Hour, which includes the first hours labour, any additional parts/time used are quoted for and charged at an extra cost, parts are charged at rrp+10%) any additional work outside the Diagnostic/Repair hour will be quoted for. We offer 2 time slots AM is 0800 to 1300 PM is 1200 to 1700 £180 Out of working hours 5pm to 8am Mon to Fri and all day at Weekends - Heating or Boiler breakdown repair fixed fee for a Call-Out/Breakdown-Diagnostic/Repair-Hour, which includes the first hours labour, any additional parts/time used are quoted for and charged at an extra cost, parts are charged at rrp+10%) any additional work outside the Diagnostic/Repair hour will be quoted for. Covering Sussex