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What is PassivHaus Construction?

Buildings built to PassivHaus standards are designed and constructed with meticulous attention detail, providing exceptional levels of occupant comfort with minimal energy used for heating or cooling.

PassivHaus construction reduces space heating to a fraction of that required by standard new build practice within the UK. This requires:
•    maximum space heating and cooling demand of less than 15 kWh/m2 a year or a maximum heating and cooling load of 10W/m2
•    maximum total primary energy demand of 120 kWh/m2 a year
•    air change rate of no more than 0.6 air changes per hour @ 50 Pa

To achieve PassivHaus Standards, the building must include:
•    Exceptional levels of insulation
•    High performance triple glazed windows with insulated frames
•    Airtight building fabric
•    Thermal bridge-free construction
•    Mechanical ventilation system with high efficiency heat recovery

With its rigorous construction process – according to the principles of the PassivHaus Institute in Germany – the proposed design and completed building can be certified to these standards through a stringent quality assurance process.

Full Turnkey Solution

Richardson & Peat’s full turnkey solutions take plans from conception to completion and can deliver buildings certified to PassivHaus standards. The strict design process ensures that from start to finish, the fabric, materials, location and energy systems are all commissioned properly to adhere to the PassivHaus Institute’s detailed assurance process.

Taking control of the project at concept stage, Richardson & Peat’s PassivHaus Team identify key aspects of the design and construction process to guarantee the building created will perform as predicted. From consultation to design, through to completion and certification – the full turnkey service will ensure that the completed building is PassivHaus certifiable.

Consultation and Guidance

Before the critical design process begins, Richardson & Peat offers clients a valuable consultation and guidance service. This includes technical assistance, product recommendations and energy assessments, to assist in the successful design, build and certification of PassivHaus building projects.
Richardson & Peat, using its extensive construction experience, and team of PassivHaus specialists, will take  the client’s brief and advise on all aspects of the design and construction process to ensure the optimal building is created. Consultation and guidance can prove vital in achieving the outstanding levels of air tightness and thermal insulation required to achieve PassivHaus accreditation.

Full Design

Providing an architectural design service that will deliver a PassivHaus building, Richardson & Peat turns building concepts into reality. The full design service utilising PassivHaus Planning Package (PHPP), with Richardson & Peat providing architecture, consultancy, design and supply, to deliver the world’s leading standard in low energy building.

Timber Frame Design    

For main contractors and self-build projects aiming to achieve PassivHaus certification , Richardson & Peat can design and supply a suitable timber frame. that can help achieve the high standards of air tightness and thermal efficiency required. Using timber frame has a number of benefits when creating PassivHaus buildings. Richardson & Peat’s design process guarantees carefully considered engineering and detailing throughout, to ensure the design and completed frame is delivered to meet exact client specification.

Low Energy Sustainable Refurbishment

It is frequently more sustainable and cost effective to refurbish an existing building than to demolish and re build. Richardson & Peat can apply its in-house expertise and industry experience to ensure refurbishments, as well as new buildings, achieve very high energy efficiency. The company can advise on all technical aspects of the project – including best practices and high-performance detailing – to deliver a sustainable refurbishment  at an economic price.