wrote:

We are having problems with our builder Redrow. We moved into our new
home 16 months ago....

Forget the DIY, get a professional in to assess the floors and the
cost to rectify, put it in writing to Redrow AND all their directors -
get their addresses for a few quid online at
http://www.companieshouse.gov.uk/

Give them a set time to respond. Then if no response get someone (NOT
YOU) to do the work and then proceed through the small claims court to
recover your costs.


--