The current campaign is laudable.
But we in the heritage sector have been banging away at VAT reductions / elimination, and other tax incentives (like America's Tax Act for reuse and repair of historic buildings) since 1988, with little effect on HM Treasury : see M. Pearce, "Conservation a Credit Account," published by SAVE Britain's Heritage.
Silly idea. Violet-LeDuc's drawings exist, so there'd be no conjecture in rebuilding the fleche.
Name the mural painting conservators who actually did the work
Just call Sam Webb who has all the answers from prior experience.
Comment on: Competition: South Lakeland Tower Houses
This is a regular tender invitation for contract, not an architectural competition.