Variation manager
Whitfield Rear Extension · add change requests and see live impact on price and completion.
Additional Bathroom
Second en-suite to master bedroom
£10,200+6d
Bi-fold Doors Upgrade
3m aluminium bi-fold replacement of French doors
£7,150+2d
Kitchen Upgrade
Upgrade to premium Howdens range with quartz worktops
£12,900+4d
Garage Conversion
Convert single garage to home office with WC
£21,800+14d
Underfloor Heating
Wet UFH to kitchen and bathroom
£5,900+3d
Skylights x2
Velux integra electric skylights
£3,900+2d
Original total
£105,500
Additional Bathroom+£10,200
Updated project total
£115,700
+£10,200 vs original
Completion shifts from 28 Jun 2026 to
04 Jul 2026 (+6d)