Working from home, freelancer tax questions in the UK?

I am starting a Web Development commercial operation in London. Initially evenings as well as weekends whilst maintaing my stream pursuit with a perspective to go full time once commercial operation picks up.

we am about to soak up a association as well as additionally get a college of music or 1 room prosaic as well as work from home, set up a home bureau there etc.

Can we get a taxation remission for a little of my rent, phone, internet any alternative expenses? what is a most appropriate authorised make up for this, we am additionally starting in this association 50/50 spilt with a college who has his own house/family etc apart from me.

Any recommendation appreciated, we will additionally find veteran recommendation upon this soon.

Thanks
I additionally longed for to supplement which with a inlet of a commercial operation being web growth intensity clients could be from anywhere in a universe so not certain if we should even soak up a association in a UK or off seaside somewhere. Also we am a New Zealand proprietor operative in a UK underneath my Dutch pass so we consider which creates me non-domociled if which matters.

Thanks

By: m3ntat