Check the tyre sidewall for a size like 225/40 R18, look in the owner’s handbook, or use the registration search to match tyres to your Civic’s standard specification.
Registration search usually returns the original factory fitment; if your wheel and tyre size has been changed, search by the exact tyre size on the sidewall and make sure the load index and speed rating meet or exceed the manufacturer recommendation.
All-season tyres suit many UK drivers because they cope well with wet roads and colder temperatures; summer tyres can offer better warm-weather steering feel, while winter tyres are best if you regularly drive in sub-7C conditions or snow.
Yes, you can select a nearby UK garage and book a time slot; fitting typically includes removing the old tyres, mounting and balancing the new ones, and disposing of the old tyres (services like valves or TPMS work may vary by fitter).
UK law requires at least 1.6mm tread across the central three-quarters of the tyre, but many drivers replace nearer 3mm for wet-weather safety; also consider replacement if there are cracks, bulges, frequent pressure loss, or uneven wear that may indicate alignment issues.