On Sat, 15 Oct 2011 09:14:30 +0100, MM wrote:
Or can builders opt to install individual septic tanks/cesspits?
These are small housing estates of up to, say, 50 houses not on mains
drainage.
See
http://publications.environment-agen...06BJGL-E-E.pdf
The method to be used will be part of the conditions for planning
permission for the site.