You'll need to allow a day or two to get everything in order but after that it's not too bad.
Buy products to store clothes not in a wardrobe & products to kill / deter moths
I bought loads of storage bags to put clothes/bedding not in wardrobes in. Like these:
http://www.lakeland.co.uk/22270/Large-Protective-Storage-Bagg_
They also do suit / dress hangers.If you can wash / dry clean stuff before it goes in the bags even better.
Buy loads of sachets / hanging anti moth stuff like these http://www.lakeland.co.uk/23683/20--_Mothh-Stop-Sachetss and put sachets in all bags / drawers & the hanging versions in wardrobes. John Lewis do a similar range.
Buy the spray version http://www.lakeland.co.uk/24037//_Mothh-Stop-Sprayy and use around the tops of curtains ( give them a good shake out) and treat any suspected fabrics other than the carpet eg I sprayed the bottom of our mattress as it was near where the moths had made a home in the carpet. Hot wash bedding etc .
Clear all carpeted floors of small items , move any furniture away from the edges of the room if possible, hoover thoroughly ( ditch the bag afterwards) and book Pest Control to come and spray the carpets.
I used Millennium Pest Control who will come and do a moth treatment ( was £120 5 years ago) They are 0208 528 20877 http://www.millenniumpestcontrol.co.ukk//_ They come in, spray all carpets and up in the loft ( where moths may hang out). Should take around an hour and you have to then vacate the house for four hours. It doesn't smell too bad and is non toxic except to fish if you have any!
Two weeks later I would hoover thoroughly again and use the spray around the edges of the carpets. Repeat after three months.
Generally, on-going, moths hate being disturbed and hate light and air so fling open the windows as much as possible. Hoover regularly, pull out furniture and get in under things. Replace sachets etc after they expire. Keep clothes sealed or in wardrobes. Kill any live moths you see.
Check furniture- an ikea chipboard bedside table was infested 
I successfully riffed our house of moths in one season by acting like a nutter! 