Really poor. Initial quote was very quick -- guy came round within a couple of days, great experience. Over the next few days I then got constantly hounded (text, phone call and email -- multiple times a day) to come back to them with a decision. When I was ready I phoned them to place the order and was forced to pay over the phone. The comms then went totally dead. After days of silence, I phoned them and asked when they would be getting in touch to arrange the follow-up appointments. From then on, appointments were missed entirely (with me losing work in order to stay in for the agreed time), a lot of time from me on the phone, no comms between head office and installers, no apologies at all (apart from from the installer, who was not at fault!) -- delays now stretching into weeks for two tiny windows. Don't do it; very stressful, and appalling service.
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