Credit: Oliver Wright

Corrosion and delamination of beam flange.

Pattress plates on an external flank wall to provide additional lateral restraint at floor level.

Rigid damp proof course (DPC) circa 1875. Terracotta blocks also provide ventilation to the subfloor.

Spray foam insulation applied directly to the underside of a 1F underfelt. Suspect electrical installation is also a fire hazard.

Darkening and cuboidal cracking in timber caused by brown rot.

Thermal ghosting and thermophoresis to a ceiling. Also known as pattern staining.

Frost damage and delamination of aggregate to a concrete soffit.

Corrosion of steel reinforcement and spalling of cover concrete.

Calcium silicate brickwork. The darker areas are where crack repairs have been undertaken.

Resilient bars and acoustic mineral wool insulation to a ceiling.