I am currently reviewing offers and can give you some prices, happy to receive feedback or comments from you – it seems rather expensive to me overall. To be fair, I have to say that the highest quality option was chosen especially for the windows:
Single-family house with 196 sqm, Bavaria, gable roof with 28° pitch, no bays, projections, etc.
Wood facade in the living house upper floor 169 sqm 18,000 EUR
Scaffolding work 7,600 EUR
Velux electric roller shutter 94 / 140 motorized with rain sensor and radio + electric roller shutter 4,000 EUR
Tinsmith work in titanium zinc 7,000 EUR
Windows + front door (wood-aluminum, flush) 59,000 EUR
4 x 110 / 125 tilt & turn
1 x 080 / 125 tilt & turn
1 x 250 / 125 fixed
1 x 350 / 225 lift-slide door
4 x 250 / 225 fixed
1 x 100 / 180 fixed laminated safety glass
1 x 200 / 160 tilt & turn fixed
1 x 250 / 160 fixed laminated safety glass 2-piece
3 x 225 / 140 tilt & turn fixed
1 x 080/110 tilt & turn
Roller shutters / shading (ground floor aluminum venetian blinds rail guided | upper floor aluminum roller shutters rail guided) 17,500 EUR
Insect protection 2,500 EUR
Stiebel Eltron heat pump type LWZ 8 CS Premium + underfloor heating and ventilation 54,000 EUR
2x closed staircase landing ground floor->upper floor and upper floor->attic oak with risers and handrail 30,000 EUR
Double garage 50,000 EUR
Best regards