We've got trade accounts at 3 builders merchants.
I do a bulk list of items required for each stage and present it to the B.M's and see who comes out cheapest.
The only items that stay constant is red building sand and the brand of cement so the muck is the same colour throughout the build.
You can use build warranty for any structural build issues with your property including garages.
NHBC will back peddle as fast as they can and deny all liability.
You may need to employ a structural surveyor, one that's also handles litigation cases.
You can also use your insurers if you have building cover.
That's about as good as it gets.
The boundary line is somewhere within the 6mm wide marker pen line on the plan.
Many areas on the plan are not registered as someone forgot to include them ( including 4 blocks of my back garden )
Labour is trying to computerise the organisation and bring it into the 21st century to make it more efficient 🤣🤣🤣