Richard Barwick, a CIOB Chartered Construction Manager has successfully applied to join the Principal Contractor Competency Certification (PCCC) Sche...

Many homes around Kent are aging and require upgrades or retrofits to improve their energy performance, extend their lifespan, and meet modern standa...

Coombs is Retrofit Solutions Provider, a trading division of established Retrofit Consultancy, RJ Barwick Ltd. Our ‘sister’ company is DDA En...

The parent company of Coombs, RJ Barwick, has for many decades innovated in the construction industry. Now, as part of our drive to use innovation to...

The UK government sees heat pumps as a key low carbon energy technology, to help us all grapple with the challenges of climate change and rising ener...