The answer to your selected question is shown below.
To answer this would always need a qualification on size, gear and colour as well as some other essential items such as the handle, locking and most importantly the fixing sub frame.
Whatever is said in other FAQ's and blogs the fact still remains the most popular size for a replacement 'Up and Over' door is 7' x 6'6" (2134 x 1981) and 7' x 7' (2134 x 2134) and this will be a fact for some time until new houses are regularly fitted with larger width garage doors, which is happening now at long last.
These sizes refer to the inside dimensions of the fixing sub frame, which will either be timber, steel or in some rare cases nothing, usually concrete garages where they did fit the operating gear direct to the concrete in some cases.
The average and most popular UK 'ordering' size' is one of the above for replacement and the most popular colour still remains white, which happens to be the industry standard nowadays for all the major manufacturers.
The best price AND the best one piece up and over garage door is still the Hormann Series 2000 range with fabulous engineering and long, genuine guarantees.
The prices include all necessary operating gear, locking and a standard black handle set. All this would be factory fitted for the easiest installation on site.
See the full Hormann steel range here >
The Garador range of up and over steel doors also offer excellent value for money and have the added option of purpose made sizes.
See the full Garador steel range here >
Further Information:
UP AND OVER OVERVIEW | UP AND OVER DOOR BRANDS | MEASURING FOR UP AND OVER DOORS | INSTALLATION POSITION
ORDERING SIZES | STANDARD OR PURPOSE MADE