Basements and Cellars

Cobalt Carbon Free specialise in energy efficient basement and cellar conversions.

They fully comply with the latest planning and Building control legislation, we simply;

‘convert unused spaces into greener living places’

With specialist supply partners; together we offer  a complete solution – a turn key operation exploiting over 70 years of technical know how and experience in managing subterranean water; treating damp, building design, refurbishment and specialist renovation!

All our products systems and services specified are BBA certified and fully backed by solid product manufacturing warranties and our own 25 year guarantee.

cobalt specialise in ‘hard to treat buildings’ .

This is a sector identified in the market  where energy efficiency does not come easily, where finding cost effective solutions is absolutely paramount.


At the same time collaborating with Customers, Suppliers, Designers, Architects, Engineers and  Specifier’s who recognise ‘conscience counts’


For Cobalt and its Customers when it comes to low energy living and working and the impact this has on the natural environment there should be no compromise.

Cobalt – Living Carbon Free
0800 7319410