Roland Perry wrote:

Are all that lot included in the 2.5% (or the 7.5%) genuine question.

Read this - a good enlightening read. I have previously linked to it.
http://myweb.tiscali.co.uk/watercity/LandArticle.html

DATA ON LAND USAGE

The land cover of Great Britain is 23.5m hectares. Taken from the Office of
National Statistics, in 2002, usage was as follows:

* Settled land -1.8m hectares. 7.65% of the land mass.
* Agricultural land - 10.8m hectares. 45.96% of the land mass.
* Semi-natural land, with much uses as agricultural land - 7.0m hectares.
29.78% of the land mass.
* Woodland - 2.8m hectares. 11.91% of the land mass
* Water bodies - 0.3m hectares. 1.28% of the land mass.
* Sundry, largely transport infrastructure - 0.8m hectares. 3.42% of the
land mass.

Note 1:
Many question the accuracy of the above figures as government departments
present differing figures. Nevertheless the figures are a good guide.

Note 2:
The settled land figure includes gardens and other green spaces, which are
estimated at around 5%. When adjusted a figure of only 2.5% of paved land
emerges.
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We have too much subsidized agricultural land. Our freedoms are curtailed as
we cannot build where want to - national parks, etc, excepted.