We built this 320m2 house in Wicklow to Low Energy levels in 2006 using Externally Insulated Poroton blocks. It uses about 1.5 tonnes of Wood Pellets/annum costing about €280/annum which is just outside Passive Levels. All Cold Bridges were eliminated and we didn't put in a heating system upstairs only UF heating downstairs in the living area. We achieved an Airtightness test of 1 airchange/hour @ 50kp. We tendered for this €500k project as a standard build putting our own stamp on it when we won the tender. By using our building techniques we believe we are saving the client about €2,000/annum in heating costs.

We built this house in Monkstown, Dublin last year using Poroton with Rockwool in the cavity. It was the first house in Dublin built using our Passive Foundation so the house is sitting on a 300mm bed of Structural Polysterene. The walls and windows were not to Passive levels but the roof, foundations and airtightness were to Passive levels. Initial Performance would suggest that this house which was featured on the Duncan Stewart show will have an annual heating cost of €150-€200/annum.

We just completed this project so are waiting to see how it performs this winter. We built all elements to Passive Standard.

We renovated this cottage in Sandyford and built a rear extension from Poroton, both the extension and cottage were Externally Insulated with 100mm of Rockwool. The roof was insulated with 300mm of blown Cellulose and 300mm of Polystyrene was put in the floor, we also fitted a condensing combi boiler. This superinsulated house is performing extremely well and can be heated for €150/year.

We built this Wicklow house in 2005 and it was the first house in Ireland built from 9 inch Cavity blocks Externally Insulated with 200mm Rockwool batts. We put 300mm blown Cellulose in the roof and it was the first house we used an Intello Membrane on which was tricky because of all the dormer windows. We got an Airtightness test of 2 Airchanges at 50kP which was not bad for our first stab. The client who is an Engineer insisted that we use the traditional foundation system using concrete block rising walls and Kingspan Insulation sheets. The major weakness of this house as the Cold Bridge all around the house where the walls meet the ground and Kingspan should not be used in damp areas as it loses its U-value when wet and the Pentane gas migrates giving it a similar U-value to Polystyrene.

We built this Extension in Crumlin in 2006 from Externally Insulated Poroton blocks. The south facing conservatory works very well giving a lot of light to the rear living space. My only comment on this project is that the client wanted heating in the Sunspace which loses a lot of heat in Winter.

We built this Extension in Beach Road in 2007 and it was featured on the Duncan Stewart show. We also reinsulated and renovated the existing house using HRV, Solar Panels Modulating Condensing Combi Gas Boiler and 100mm External Insulation. The floors were removed, insulated and re-laid using 300mm of Polystyrene, 75mm Concrete with UF heating. The roof was reinsulated with Cellulose and made Airtight. The front brick wall was drylined with 100mm Softboard which is the only drylining system that does not cause fungus/mould where the wall meets the drylining.

We Renovated and Externally Insulated the walls and flat roof in this Dublin house in 2008. We also airtightned the roof with Softboard sheets and Rockwool batts. I got an email from the client in Jan 09 requesting additional work, She finished her email with these words- "Hope this finds you well, our house is lovely and cosy after the work you did last year".