The short answer
Georgian roofs combine a main covering, often slate or clay tile, with a network of lead: parapet gutters, valleys and flashings. The lead usually ages faster than the covering, so a careful survey starts there. Repairs aim to renew the failed parts and keep the original design, not to replace the whole roof.
Buckland House was built in 1757 in the Palladian style, a classical fashion that favoured clean, balanced rooflines. A roof designed that way hides much of its working parts, and those parts are what decide how long it keeps out the rain.
Q1.1Why do hidden gutters and parapets leak?
Many houses of the period have a parapet wall around the edge of the roof, with a gutter lined in lead running behind it. A gutter like this cannot be seen from the ground. When the lead cracks or the outlet clogs, water spills into the wall below. A leaf-choked outlet is the simplest cause, and the easiest to put right, so we clear it and run water through the gutter before anything else. If the lining has split, a localised lead repair is often possible without opening up the whole run.
Q1.2What do valleys and flashings do?
Valleys form wherever two slopes meet at an inside angle, while a flashing is lead dressed over a joint with a wall or chimney so water cannot creep behind it. Lead is sold in codes that describe its thickness: code 4 is a common choice for general flashing work, while thicker codes suit gutters. Correctly installed, lead can last for many decades, but movement of the building and the pull of the sun gradually crack it.
Q1.3How are replacement slates matched?
If slates have to be replaced, they are matched for size, colour and thickness, with the aim of a repair you cannot pick out from the ground. Our slate roofing page and our lead roofing page explain the materials in detail. If a house is listed, or lies inside the conservation area, we agree the approach with you and the council before we begin, and photograph the lead before and after so the work is on record.