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The following costings are purely indicative. It is advisable to undertake market testing with those specialists seen as most appropriate to the project. It also is critical that specific conditions such as site constraints, client expectations, designers intentions and performance requirements are considered when putting an overall price to a curtain walling system.
Typical design optionsΜύ
ΜύApproximate costs
Cost of each additional frit Β£15-20/³Ύ2
Extra over cost on system for faceting10-15%
Extra over cost on system for single radius60% minimum
Glass external fins, depending on profile Β£250-350/³Ύ
Aluminium external fins, depending on profile Β£100-200/³Ύ
Extra over cost for laminated glass in place of toughened Β£15-20/³Ύ2
Inter-cavity blinds (motorised tilt only, manual raise and lower) Β£50-60/³Ύ2
Additional layer of glazing (opening inwards for access to cavity) Β£90-120/³Ύ2
Miscellaneous items Μύ
ΜύApproximate costs
Parapets Β£250-400/³Ύ
Penetrations through systemΒ£1500-2000 each
Single doors Β£3500 each
Double doorsΒ£6000 each
External soffits Β£400/³Ύ2
Interface with other elements ie stoneΒ£250/³Ύ
Secondary steelwork Project-specific