Preferential rates on water/electric? None of those available in MY area of the SE for those on benefits. Free dental treatment? I don't THINK so! I had a problem with my tooth, and was given the option between paying £47 to have the tooth removed, or £450 to have a root canal treatment done. On the NHS. I will respectfully disagree on the free dental treatment.
Free prescriptions - that's if you can GET your PCT to prescribe the treatments you need. MY local PCT refuses to cover things like blood testing strips for diabetics, excema cream, even for babies, wet wraps for excema, peak flow meters for asthmatics, branded medication, even if the ggeneric ones lower your, say, seizure control, access to a Neurologist AT ALL, access to an epilepsy nurse AT ALL, access to an enuresis clinic. It's almost impossible to get help from the orthotics dept, the SALT dept.
Free prescriptions elicits a hollow laugh from me, I'm afraid, NiceGuy.
OK, I'll grant you the free school meals. IF your dc don't have allergies, or need a special diet. I have to provide a Gluten-Free packed lunch for my coeliac DS1, with no extra financial support, because the LEA refuse to provide the school with any extra budget to cover that. My DS2 has autism, and has sensory issues surrounding food, which mean that he won't eat the food that is provided - he is also allergic to certain sweeteners (aspartame and saccharine), and as they have added sweeteners rather than sugar to their meals to meet the nutritional guidelines for healthy meals (?) he can't eat some parts of the meal anyway. So only DD gets them.
And even if you CHOOSE to send your dc's to school with a packed lunch, and DON'T claim the Free School Meals - the school bugs you to claim them, because then the school not only gets the FSM's money anyway, but they qualify for the pupil premium added to their budget. SO you will find that an awful lot of people that CLAIM for FSM's don't actually USE the FSM's money - the SCHOOL does - so it is, in essence, a budget extra for the SCHOOL (redistribution of budgets) rather than the person on benefits.
I don't know of that many people whose dc ARE meant to be getting FSM's that actually SENDS theirdc for them every day. And once they get to Secondary school, the amount given on FSM's doesn't even cover a baguette AND a drink - I have to send my DD in with extra money every day in order for her to get a full meal. In her case, the FSM's money is a DISCOUNTED school meal rather than a FREE school meal.