Building repairs - mansion block London

Roof renewal and flashing repair on North London Mansion block.

Roof renewal works - Asphalt shingles and a brick chimney, with trees in the background and clear blue sky.
Flat roof refurbishment work - Blowtorch on a roll of roofing material, which is on fire.
Mansion block refurbishment - Person inspecting or working on a brick chimney on a house's roof, with a cloudy sky in the background.
Mansion block refurbishment - outside a brick building.