Haydn Bennett has been working for a number of years on low energy individual houses for private clients including completing three certified Passivhaus projects (Passivhaus Plus, Passivhaus Classic, Passivhaus Institute Low Energy Building) with a further project currently under certification (aiming for Passivhaus Plus) and others in various stages of design.  As well as the new Passivhaus projects, Haydn Bennett has also recently completed a Level 5 Diploma in Retrofit Coordination and Risk Management and is working with two clients on a full house retrofit programmes.