6
Building materials and components; buildings; parts and fittings for buildings; windows, doors, partitions and frames; water tanks and pipes; external shutters for windows; windows, doors and partitions, all being glazed or adapted for glazing; frame members for windows and for doors; patio doors
19
Building materials and components; buildings; parts and fittings for buildings; doors, windows, partitions and frames; glass and glass panels; wall cladding; roof edging, guttering and pipes; external shutters for windows; windows, doors and partitions, all being glazed or adapted for glazing; frame members for windows and for doors
37
Construction, repair, maintenance and renovation of buildings; construction, installation, repair, maintenance, renovation and replacement of windows, doors, secondary glazing, greenhouses, conservatories, building extensions, porches, roofs, roof edgings, guttering, bathroom and lavatory fixtures and fittings and central heating and water heating systems; cleaning of windows, doors, greenhouses, conservatories, building extensions and porches; advisory and consultancy services relating to all the aforegoing