Check www.gwbuttons.com or Ebay store buttonsandtrim for coat buttons.
Most designer brands manufacture their own buttons exclusively. The best way to get replacements would be to contact the store where you bought it or contact the design house directly to see if they'll replace. Often, in the luxury market, it isn't uncommon for these brands to offer services like button replacement. It's worth contacting them directly.
Someone could locate places to rent in London by going to the London Relocation Services website. The website has a listing of places that can be rented out in London.
You can locate them at the online websites of office supplies retailers, like at the Staples website.
Phone them and ask for their address.
Ebay
There are a number of websites one can use to locate and then compare the prices of hostels in London. One can use sites such as 'Hostel Bookers', 'Hostel World' and 'UK Hostels'.
Most electronic stores will carry an amply supply of replacement supplies for cameras. Depending on the age, make and model of camera, it is possible to locate a replacement cord.
Locate the current times and location by checking a phone book or Google it.
Most electronic stores will carry an amply supply of replacement supplies for cameras. Depending on the age, make and model of camera, it is possible to locate a replacement cord.
I don't physically sell replacement parts for office products. You may need to contact the manufacturer of the product for specific replacement parts. If you have the product manual or can locate the manufacturer's contact information, they should be able to assist you with ordering replacement parts.
If you are able to locate the medical provider who issued you your DOT physical card or his office, he or she can reissue you another card providing it is not expired. If you are unable to locate that provider then you will have to undergo another physical.
Ebay and amazon are great places to find products that are hard to locate in stores.