I had the engine replaced at Autolusso in Bedfordshire. They did other works, not just recon engine under mechanical warranty claim.
They did an awful job, completely untrustworthy, con-men in overalls!
Thousands of pounds worth of work done ('supposedly'), the car came back with more problems than it went for. I took the car back to them outlining faults, and Ned simply denied responsibility for the faults.
I would have taken them to courts and cleaned up....but the car was written off shortly afterwards, after someone crashed in to the car.
Another one to avoid is Alfarama, in Stanmore. He just wanted to charge the maximum on my warranty claim, regardless of cost. Another con man!
And you wonder why mechanics/garages get a bad reputation!