They would separate into Loft extension/Basement/First Floor Layout, Electrics, Gas CH, Bathroom Install. You could get experts in each area, so Builder, Electrician, Gas Fitter, Bathroom fitter. Run and synchronise all the contracts yourself and you will save some money while adding a lot of hassle, if you go for one firm they will organise all the trades for you and share you for the pleasure.
Have periodic inspection of the electrical system and it will tell you in detail what's not compliant with current regs. Research the best boiler/heating combination for your needs and get prices for an installation that you specify. Pick your bathroom suite/tiles taps etc avoid one stop shops as they just underpay their fitters and provide shoddy fittings, get a bathroom fitter to quote.
Doing it piecemeal will probably take a little longer as you will need to synchronise trades but you get more control over the process.
They would separate into Loft extension/Basement/First Floor Layout, Electrics, Gas CH, Bathroom Install. You could get experts in each area, so Builder, Electrician, Gas Fitter, Bathroom fitter. Run and synchronise all the contracts yourself and you will save some money while adding a lot of hassle, if you go for one firm they will organise all the trades for you and share you for the pleasure.
Have periodic inspection of the electrical system and it will tell you in detail what's not compliant with current regs. Research the best boiler/heating combination for your needs and get prices for an installation that you specify. Pick your bathroom suite/tiles taps etc avoid one stop shops as they just underpay their fitters and provide shoddy fittings, get a bathroom fitter to quote.
Doing it piecemeal will probably take a little longer as you will need to synchronise trades but you get more control over the process.