percentage British owned housing and rented
the proportion of housing owned and rented in the UK
Then, this measure involves four groups including privately owned, council rented, privately rented and social housing.
It's not necessary to have a separate sentence to talk about the four sorts of houses involved. Instead, you could merge this sentence with your previous one.
numbers of housing in UK have dramatically increased in over 20 years
Overall, the house numbers in the UK increased dramatically over 20 years.
This succeeds marked the developing in UK economical growth.
This sentence is irrelevant to the chart.
From the data, UK dweller was capable enough in their shelter primary needs
,
However, not every UK inhabitant can afford housing for themselves. As effective effort, government initiate the social housing thus the indigent can rent with low price.
Again, these two sentences are not related to what the task requires you to do. You should focus on
describing the main features of the charts
and
making comparisons where appropriate
to summarize the information. There's no need to have interpretations or deductions from the given data. Also, pay attention to your grammar.