Can't give a zero
AVIOD or Buy your own parts.
Way overpriced parts,
£50 plus vat for a cheap £11 lock.
Door gear £160 plus VAT £60 including VAT all over the internet or from amazon.
Took a week with many different excuses to complete the job with a bill at the end that would have paid for a whole new front door. Took a call to the main office to get the job finished then ignored by customer services about pricing.
Billed by this company, worked booked by another. Called a different one again. Lots of websites linked to them.