do you not fancy having a go yourself? will save a bit too
Will the book be stamped by a dealer stamp?
That's all work you could do yourself. Maybe get some supervision or advice before tackling the brakes, as you don't want to get that wrong. Wheel balancing shouldn't cost much £5 each, max.
rear pads £10
drop link £5
oil £30
oil filter £5
air filter £10
couple of hours on your day off - priceless