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Knossington Passivhaus,
Rutland

Contemporary Passivhaus intervention in Conservation Area

 

Pre-fabricated, low carbon construction using sustainable materials

Commenced on site in February 2025 and aiming for Certification.

  • Design Heating demand 13.7 kWh/m2/yr

  • Primary Energy Demand 28.7 kWh/m2/yr

  • Renewable energy generation 26 kWh/m2/yr

Having commenced in February 2025, Knossington Passivhaus is under construction and will be one of Rutland’s first Certified Passivhaus projects. Designed with an annual heating demand of 13.7 kWh/m2/year, this contemporary timber frame bespoke home, which is nestled within the Braunston Conservation Area, will replace the existing energy-inefficient bungalow. 

The building will utilise the MBC Larson truss twin stud wall system with cellulose insulation and insulated raft foundation, making it incredibly sustainable through its embodied materials. It will be dressed in natural ironstone and a natural slate roof with triple glazed aluminium windows. Internally, a HPV (heat pump ventilation) will provide hot water and mechanical ventilation with heat recovery, as well as some summer cooling.

 

The replacement dwelling was a planning triumph, with the application for this contemporary design sailing through planning at the first attempt. We worked closely with the local authority and Conservation Officer to demonstrate how the design will enhance the Conservation Area, and how particular design features, or actually a lack thereof, were necessary to help it achieve the Passivhaus standard. 

Follow our blog for live updates on this project as it progresses through 2025.

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