On Sun, 19 Nov 2017 11:25:40 +0000, Andy Burns
wrote:

MM wrote:

Does anyone have any idea what such a plant would cost to install in
2017/18?

Based on no experience of these systems at all, this one seems to cater
for 30-600 population, which might be oversize for 40 houses

http://www.ukseptictanks.co.uk/sewage-treatment-plants/condersaf50

£11K plus whatever earthworks, plumbing and wiring are required.

The prices on that website are considerably less than the "rough
quote" obtained by the residents' management committee. However, this
is in the very earliest stages of discovery.

Thanks a lot for the link. Just as an indicator, the quote was in the
region of £100,000. It was stated that the work HAS to be done by a
company approved by the environment agency.

MM