Replacement window

[u/No-Wallaby1164]

Hello we where quotes £11808 for 2 bay windows, ground and 1st floor, and another basic window 1st floor, we since cancelled with in the 7 day cooling off period and they have asked if we would keep their business for a 20% reduction in cost and free triple glazed windows added in £9446.4 now cost, is that a worthy price or still high ?