Mr Slim, I would decline to pay this bill for the work, until you can sort out some sort of arrangement. There is no way you have actually got what has been agreed to do. That is not a PIR its a joke, you wouldnt pay for a pint of p*** when you'd ordered a pint?
I would also suggest getting someone else in to do another PIR, not because he has clearly failed to do the original correctly, but i would be very concerned about any work this person has done within your home and whether or not it is safe or not, especially with a new fuseboard and tinkering round with your main supply.
Many members seem shocked by the state of this cert and simply cannot believe he/she is a member of any Part P scheme. Unfortunately I am convinced he will be a fully fledged member of the DI scheme. Its a joke, i seem to see so many PIR's like this, or jobs where there is a complete lack of any certification. One of the worst ones was last year, it was as messy as this one and not filled in correctly. Each page was from a different pad. By that i mean page 1 was a scheme's pad, page 2 from a kewtech pad and 1 page was actually plain paper with some notes scrawled on it.
Last week had a job to put in an extra socket where a large ltd company had part rewired a house 2 years ago after a 'failed' PIR to the same standard as this. When i pulled up a loose floor board there was a nail straight through ring main cable, hadnt tripped MCB but affected continuity of cpc. This had not been picked up when testing as new works had clearly not been tested or certified. Customer got the company back after i said i couldnt do the work, who then messed him round further, but eventually fixed the fault (with a