Services include

Fixing or replacing:

Taps
Toilets and cisterns
Baths
Sinks
Basins
Showers and enclosures
Pipework and waste pipes
Radiators, including moving them

Also:

Fitting washing machines and dishwashers
Fitting outdoor taps
Replacing stopcocks
Replacing Ballcocks
Dealing with leaks
Fixing waterhammer
Unblocking drains
Fitting small localised water heaters

Other skills

Handyman skills including:

Tiling
Grouting
Silicone sealing
Boxing in pipes and areas
Laying tiles and laminate floors
Painting and decorating
Carpentry skills such as putting up shelves
Bathroom furniture and kitchen units