Passivhaus Consultant and Designer.  Very Low Energy Buildings.  Domestic and non-domestic.  New build and refurbishment. 

07502 425158

Bristol, UK



Our houses on show at Bristol Green Doors 26 September 2015

EWI back of Toronto RoadCome and see the completed Passivhaus inspired refurbishment at Reedely Road and the almost complete refurbishment at Toronto Road at Bristol Green Doors.


Mind the Gap - Talk at Constructing Excellence Gloucestershire Club

Come and see Piers's talk tonight at Constructing Excellence Gloucestershire Club where he will present the findings of his Innovate UK Building Performance Evaluation work undertaken with Quattro Design Architects on 'The Main Place', Coleford Community Centre.   



Commissioning MVHR at Ancre Hill Winery

MVHR Commissioning by Andrew Farr of Green Building StoreThe MVHR at Ancre Hill Winery was designed jointly between Piers Sadler Consulting and the supplier Green Building Store.  The building has no heating or cooling so the system has been designed to help maintain near constant temperatures at 10-15o C. The system is designed to remove CO2 from the building when wine is fermenting and to keep the building cool in summer.  From Autumn to late Spring the system is automatically controlled by as 0-10V signal from CO2 sensors so that the ventilation progressively ramps up as CO2 concentrations increase. In summer when CO2 is not being generated, the summer by-pass has been specially adapted to enable air as cold as 2oC to be drawn into the building at night for cooling purposes.  The automatic control is switched to manual and the fan speed adjusted to vary the cooling.  The supply air ducts have been insulated to avoid condensation.


Four Oaks Passivhaus Project in the news

The Passivhaus Trust website featured the Four Oaks Passivhaus project in it's news section.

We are now at Building Regulations submission stage and planning to go to tender in March.  Lots more to be done on detailing the timber frame construction, glazing and heating, hot water and ventilation in coming weeks. 

For more information see projects.







Original architect visits 1970s refurbishment at Bristol Green Doors

Our 1970s refurbishment project at High Kingsdown, Bristol was showcased in Bristol Green Doors over the weekend.  One of the 100 or so visitors was the original architect of the architecturally acclaimed estate Stephen Macfarlane, pictured here with the owner.

For more information see projects.