In heritage planning, the conversation should not start with whether a proposal is attractive. It starts with significance: what makes the place important, what evidence supports that view and how the proposed change would alter it. Once significance is understood, planning decisions become more transparent because the likely impact of each design choice is easier to explain.
Homeowners are often surprised that perfectly ordinary-looking houses can attract heritage scrutiny when they sit inside a conservation area. That is because planning decisions are not only about the age of one building; they are also about the character, appearance and historic grain of the wider place. A heritage statement for a conservation area project should explain that wider context and show how the proposal responds to it.
Barn conversions can look straightforward on paper, but historic agricultural buildings often derive their significance from more than their external shell. Open interiors, structural rhythm, working features, yard relationships and the wider farmstead setting can all influence how a conversion is viewed. A heritage statement for a barn conversion should therefore explain not only the proposal, but why the building matters and how the new use responds to that character.