Mercury Windows in Belfast, Northern Ireland

We are a family run company dedicated to providing a first class service by supplying quality double glazing products with highly competitive pricing. We offer free quotations and always give our best price first time round with no high pressure sales or obligation. We offer a wide variety of window & door designs, to customers within a reasonable distance from Belfast including the new and very popular composite doors and guardian solid roof conversions for conservatories. We have 100's of happy customers in Belfast and surrounding areas.