In monetary/work terms it is certainly more cost effective in the case of extensive replacement to 'Build New', but the paperwork and it's costs...
Have found these to be superb on both occasions that I have used them.
Bit of thread drift, but Tornado is now at Chelmsford.
Beulieu Park opening ceremony is on Monday, so probably the reason, also could be the reason for the 'Round the Houses' route.
Separate names with a comma.