WindowCost
Derby

Bay Windows cost in Derby

Bay window pricing covers a three-light set (typically two side casements plus a fixed central pane) plus the structural head and cill. Cost per opening is roughly 2.5–3× a single casement.

MaterialGlazingEstimated price range
uPVC Double £1,400 – £3,500
uPVC Triple £2,100 – £4,900
Aluminium Double £2,500 – £6,150
Timber Double £3,350 – £9,800

Estimated fully-fitted supply and install for a bay windows in Derby, including disposal and FENSA/Certass certification.

Read the full bay windows cost guide for a national breakdown by material, glazing, and region.

Other window types in Derby

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All windows in Derby · Derby installers · cost guides