Even though you've got really low miles I would still have the oil changed as it can breakdown over 12 mths and as you are doing really low mileage believe it or not your engine wear may be the same as a higher mileage car if you are doing a lot of short journeys were the engine doesn't get up to temp. Also it would preserve your warranty on the engine. Your brake fluid wouldn't need changing infact most brake fluid doesn't need changing every 2 years. You can buy a brake fluid tester for £10 that checks the moisture in the fluid and tells you if it needs changing. Most dealers don't even bleed the fluid through the bleed nipples they just use a pump to suck it out of the top of the master cylinder. The guys who service cars in some dealerships aren't even mechanics they are technicians who just do the basic servicing. The other things on your car will just be visually checked. Infact a mot that costs £45 is a more robust check of your car as the brakes are tested on a rolling road, emissions on a machine,lights are tested using a device for alignment.