Rented accommodation can vary hugely in quality. Some property might have conditions which could make you ill; such as damp and condensation.
Although these things wouldn't be covered by disrepair regulations, they can be 'deemed to be prejudicial to health'.
Similarly, it could be that your neighbours' behaviour is a nuisance and is affecting the quality of your life: perhaps they are being noisy or allowing water to leak into your flat.
You don't have to live like this. In all of these cases the law has a system in place to try to help when this happens and a procedure you can follow.
What you can do
If you experience any of these issues you should contact the environmental health officers at your local council to get them to investigate. Where the local authority identifies a statutory nuisance, they must serve an 'abatement notice' on the person responsible for the nuisance and set a time limit for completion, which means a time by which they must stop/rectify the situation.
You can find your local authority at Up My Street.
If you need advice or support with these problems contact THT Direct.