To be honest, I think that its too late in the UK to do any thing (apart from have a revolution), about the regs situation, apart from pay up and pig about it
I have asked my son how it works in France, for an artisan Plumber/Electrician/Heating Engineer
He said that before you start out, you have to go on a course to learn about running a business, then register at the local chamber of "trades", once you have the registration number (which allows you to trade), you have to find an assurance company for the normal assurances, and the decennial assurance (big money at least £2k for this alone), then join the C A P E B
link:
La CAPEB , which is like the small building trades union, for about £200 yr fees, he can get the required training he wants, via CAPEB, this got him his gas professional training, and for about £150 yr he can do gas work, and sign it off, also sign off others work once it has been tested and he is satisfied with the standard of work, the fees for testing another person work, depends on whether the person is a plumber, or just a diy person
Electrical work is slightly different, new work or where the supply has been disconnected needs an independent person to sign off the work, after inspection and testing
link: [DLMURL="http://www.consuel.com/attestations.htm"]vérifier installation électrique[/DLMURL] , the fees are about £90 for an inspection and test for a registered electrician, and about double that for another or diy'er
The real deterrent for bad work is the assurance (do bad work, and have a claim, assurance costs go up, and you might not get cover; no cover=no work)
Whilst there are "sheds" like B&Q etc in France, these tend to sell at between what an artisan can purchase the same material for and what a private person would pay at a trade out let for the same material, and for boilers they stipulate that for the guarantee to "kick in" in case of a claim, the boiler has to be installed or approved by a registered trades person who is qualified to do the work
Another thing that the trades persons in France do and that is form local groups to bulk up their purchasing power, I think that it cost my son about £10/15 month for this, and in return he gets between 10 and 20% extra of the costs of materials
Whilst the CAPEB, is for all building trades, and is associated with the EBC
link:
E.B.C. - European Builders Confederation , I see that its only the Federation of Master Builders, who are associated with the EBC, in the UK, can I suggest that you collectively lobby your trade associations like the C I O P & H E, and others to join the EBC, and get your word in, otherwise you will be left out in the cold and picked off one by one, or form locally at first then nationally a "union for all building trades, self employed and small business companies"