Timber joists connected to steel beam.

A concrete block party wall. Poorly sealed at penetrations and edges.

Finishing plaster skimmed over the top of an old textured coating. Adhesion failure to a large section of ceiling.

Underside of traditional peg tiles hung on split battens.

Degraded pitch tar coating to timber cladding.

Inside of an octagonal turret roof with central post.

Brick slip adhesion failure to a structural insulated panel (SIP).

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 to a ceiling. This is type of discolouration is 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.