Listed building consent and repair schedule for re-roofing a Grade II listed timber-framed building.

Insulating a peg-tile roof without changing how it looks.

We inspected the building and its roof void in September 2025, with a laser survey of the void carried out the same day. The roof showed several phases of earlier repair, with inconsistent counter-battening and residual straw beneath the tiles, and fewer than one in five of the tiles was expected to be fit for reuse.

The owners wanted to insulate. Non-breathable modern insulation is rarely acceptable on a historic timber roof, so we worked up an over-rafter detail using a breathable insulated membrane, counter-battened and unvented so that no tile vents were needed, with the eaves and gable detail unchanged. The ridge rises by no more than 28mm. Sound historic tiles were to be gathered on one hip, with matching handmade clay tiles on the main slopes.

Listed building roof repair: consent granted on the statement and the drawings.

The Heritage Statement drew on the county map of 1777, the tithe map and apportionment of 1848 and Ordnance Survey editions from 1881, and assessed the building and the setting of its two listed neighbours. It concluded that the works would cause no harm.

Listed building consent (EPF/1643/25) was granted on 10 November 2025. The officer’s report records that the assessment relied on the Heritage Statement and drawings, which were considered sufficient, and that the change in ridge height would be barely perceptible. Our roof detail drawings are named among the approved documents.

Every rafter numbered, tested and scheduled.

The consent required a survey of the roof frame, a schedule of works and a method statement before any structural repair. With the roof stripped under a temporary cover in February 2026, we numbered each rafter on the survey drawings, inspected and probe-tested each one, and measured and photographed every defect.

The frame was in reasonable condition for its age, with localised failures: the main ridge decayed for most of its length, failed hip ridges and a failed purlin to the catslide, and decay to the wall plates. The repair approach was to splice new timber to old with traditional scarf and half-lap joints, replacing a member in full only where too little sound timber remained, and to keep dropped rafters in place with new rafters alongside so that the repair can be read as modern work.

The schedule of timber repairs, survey drawings, photographic record and method statement were submitted on 5 March 2026 and approved (EPF/0476/26) on 13 March 2026.