The short answer
Slowly and with photographs. We record the roof, repair with the same materials and fixings, and keep whatever original fabric is still sound. A change to what makes a listed building special calls for consent, so the approach is fixed with you before any work begins.
Sherston has a number of listed buildings, and the aim on every one is a roof that still reads as the one the building has always had, with nobody on the street able to point to the repair. Holy Cross, the village church, has Grade I listing and dates from the twelfth century, with a high tower rebuilt in 1733. Old Swan House, Court House, and numbers 1 and 3 Cliff Road are Grade II*. Listing does not freeze a building in time, but it does change how roof work is done.
Q1.1What does listing change about a repair?
It raises the standard. Fitting like with like, fixed as before, is upkeep and normally raises no question. Replacing the covering, adding roof windows or reshaping a stack alters what the building is, and that is where listed building consent comes in. Holy Cross is the exception: the parish still worships there, so under the ecclesiastical exemption the diocese approves its roof work by faculty instead. We do not give legal advice, so put your question to Wiltshire Council's planning team early, well before anything bigger than a matching repair is agreed.
Q1.2How is a repair kept small?
The best repair to a listed roof is the narrowest one that stops the fault. On an old roof that might mean refixing a handful of slipped tiles, renewing a tired lead flashing or replacing some softened battens. It rarely means stripping a whole slope. Opening up an old roof disturbs timbers and fixings that have held for centuries, so we only do it where the fault leaves no alternative.
Q1.3What goes into the photographic record?
Before work starts we photograph every slope and every junction. Those survey photographs arrive with the written quote, and the same set lets you, or a conservation officer, see what changed once the job is finished. They also settle the occasional disagreement about what was there to begin with.
Our Cotswold stone roofing page describes the traditional methods behind roofs on this edge of the Cotswolds, for anyone whose house carries stone.