I usually charge 30 € / hour of work.
Lamp installation 15 € / pc
Changing light switches, dimmers or sockets 25 € / pc
Curtain rods or blinds installation 20 € / pc
TV mount / beamer installation 50 € / pc
Shower cabin 80 € / pc
Shower curtain installation 40 € / pc
Painting: from 150 per room (included: fixing cracks on the walls, filling nail and screw holes etc.).
Floating floors - 12-30 € / sqm
Tiles: 35-50 € / sqm, metro tiles 50 €
Fixed 15 € charge for shopping and transport (only if you need special items, like wall studs, plaster boards, etc.).
Invoice = add VAT
For an estimate of costs of renovating a flat call me.
Transport fee: Berlin is quite big so for some districts we need to add extra fee.
Bellow you can find a map, if you live inside of marked zone, no extra costs appear, if not then it'd be 20 €.