Altrincham, Manchester Office
Office 249, Peel House, 30 The Downs, Cheshire, Altrincham WA14 2PX
Tel: 0161 710 4160
Email: Studio@ExcelaArchitecture.co.uk
Altrincham, Manchester Office
Office 249, Peel House, 30 The Downs, Cheshire, Altrincham WA14 2PX
Tel: 0161 710 4160
Email: Studio@ExcelaArchitecture.co.uk



Bespoke new build home architects in Cheshire and Manchester


Certified Passivhaus
Designer In London
Passivhaus Architects in London
Finding a certified Passivhaus designer in London to help you bring to life your new bespoke new build Passivhaus project can be daunting, At Excela Architecture London our aim is to make the process as smooth and easy as possible.
Contact your local London Passivhaus Architects Today for a free quote and Initial consultation.
Or call 020 8064 4098 to speak to our Passivhaus team

Excela Architecture London
At Excela Architecture London, we specialise in creating super energy efficient Passivhaus new build homes throughout London.
Our team are certified Passivhaus designers and are dedicated to sustainability and energy efficiency.
Passivhaus is a globally recognized standard for energy efficiency that emphasises minimal energy consumption. Buildings designed to Passivhaus standard ensure exceptional comfort for occupants while significantly reducing the energy required for heating and cooling.
Passivhaus can be applied across all construction sectors and leads to:
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Significantly reduced energy consumption and therefore bills
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Improved construction, allowing excellent levels of thermal comfort and indoor air quality
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Elimination of building defects that can cause mould growth and building failure
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Optimised lifecycle costs that can be accurately predicted prior to commencing the building
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Health and well-being benefits, such as reduced respiratory ailments, allergies and improved concentration levels, suggested by anecdotal evidence
Our Passivhaus Designer Services In London?
Frequently asked questions
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Our certified Passivhaus designers in London will guide you through the design process of building regulations drawings for your home extension or loft conversion from Building regulations drawings to Construction issue drawings. We strive to create beautiful houses to allow you to feel truly at home.
What is the Passivhaus Standard?
Passivhaus effectively addresses the significant disparity between anticipated and actual building performance. It facilitates the enhancement of designs throughout the planning phase and provides precise forecasts for future costs and payback periods associated with various components. By prioritizing a fabric-first strategy, this standard promotes a direct decrease in energy consumption through thoughtful design, rather than depending on supplementary features to achieve performance goals. This approach not only enhances the feasibility of projects but also reduces their environmental impact.
Passivhaus buildings are constructed with exceptional precision, adhering to the stringent design and construction standards established by the Passivhaus Institute in Germany. This process includes a thorough quality assurance system that ensures each building meets high performance criteria. As a result, these structures can achieve a remarkable 75% reduction in space heating needs compared to conventional new builds in the UK.
Significant reductions in energy usage are primarily achieved through a fabric-first design approach, which emphasises the importance of a well-insulated thermal envelope that boasts high levels of airtightness, along with the implementation of whole-house mechanical ventilation systems.
Constructing homes to Passivhaus Standards using a "fabric first" approach results in exceptionally energy-efficient buildings that significantly surpass current Building Regulations. By integrating additional renewable energy sources, we further enhance the sustainability of our custom new builds, pushing the limits of zero carbon living and minimizing their overall carbon footprint.
Building regulations drawings for a single storey home extension provide comprehensive construction details that outline the methods and specifications for the construction of the home extension.
Building regulations drawings are essential for home extension project to ensure that all aspects of the construction adhere to building regulations and safety standards.
A single storey extension is a great choice if you are looking to maximise the living area in your home.
A popular option with a single storey rear extension is to create a large open plan kitchen extension.
A rear single storey extension can also be a fantastic option if you are looking for an additional living space or dining room.
Building regulations drawings for a two-story home extension provide detailed construction information and building regulations specifications.
Building regulations drawings are crucial for any double storey home extension project, as they guarantee that the construction complies building standards and safety regulations
A single storey extension is a great choice if you are looking to maximise the living area in your home.
A popular option with a single storey rear extension is to create a large open plan kitchen extension.
A rear single storey extension can also be a fantastic option if you are looking for an additional living space or dining room.
A single storey extension is a great choice if you are looking to maximise the living area in your home.
A popular option with a single storey rear extension is to create a large open plan kitchen extension.
A rear single storey extension can also be a fantastic option if you are looking for an additional living space or dining room.
A single storey extension is a great choice if you are looking to maximise the living area in your home.
A popular option with a single storey rear extension is to create a large open plan kitchen extension.
A rear single storey extension can also be a fantastic option if you are looking for an additional living space or dining room.

Our expertise and experience has led Exela Architecture London to become one of the best Passivhaus Architect firms in London.
Passivhaus effectively addresses the significant disparity between anticipated and actual building performance. It facilitates the enhancement of designs throughout the planning phase and provides precise forecasts for future costs and payback periods associated with various components. By prioritising a fabric-first strategy, this standard promotes a direct decrease in energy consumption through thoughtful design, rather than depending on supplementary features to achieve performance goals. This approach not only enhances the feasibility of projects but also reduces their environmental impact.
If you have a project that you want to build to Passivhaus or other highly sustainable standards in London, please contact us.
Why Choose Passivhaus?
We have a dedicated team of expert home extension architects that provide our clients with exceptional design options.
Our expert architects team will guide you through the process a home extension ,loft conversion or new build home project from survey to planning approval and building control approval.


Once the design is finalised for your home extension or loft conversion in Chelsea we will produce the Technical drawings for your project. The building Regulations Drawings & Construction Drawings will be used by Building control to certify the works and will also be used by the builders to carry out the building works.

At Excela Architecture London we have an in house structural engineer that allows us to provide architectural design and structural design service.
We are here to support you at every stage of the process, whether you need calculations for steel beams for a home extension or timber rafters calculations for a loft conversion.

Passivhaus Design Process
To make the procedure as smooth as possible, at Excela Architecture London we manage the entire process of producing building regulations drawings and applying for building control approval on your behalf. We have experience working with local building control authorities and independent building inspectors. Our expert team check your building regulation drawings in London to ensure they comply with current UK building regulations.
Once the drawings have been approved by the local authority building control inspector or the approved independent building control inspector the project can start. Throughout the project, the Building Inspector will visit the construction site at crucial stages of the build to ensure that the building work carried out is to a sufficient standard of safety and is compliant with current building regulations.
After the construction of the project is complete, the building inspector will carry out a final completion visit of the site with a view to issuing a final completion certificate that proves all work completed complies to the UK building regulations.
The building inspector has the power to refuse the completion certificate if the building work does not comply with UK building regulations, so it is vital that your building contractors carry out the building works in accordance with building regulation drawings produced by Excela Architecture London.

Why choose our Passivhaus Architects in London?
At Excela Architecture London, our aim is to provide our clients with cost-effective Passivhaus design solutions with exceptional architectural designs. When thinking about adding a loft conversion or home extension to your home it can seem daunting and your initial thoughts may be that architects and building design fees are really expensive. That does not have to be the case. At Excela Architecture London we provide fixed price cost effective project fees for Self Build Homes, New Build homes, Home Extensions and Loft Conversions in Chelsea and all across London.
A ‘’Grand Design’’ style Architect is not always required for a home extension or loft conversion project. We tailor our architectural services to each individual project to ensure you receive the correct level of service you require for your project.
Adding a home extension with a new kitchen or family room can add 10% to 15% value to your home.
Our architects in London specialise in Contemporary Passivhaus design of bespoke New Build Homes.
We provide architectural design services in line with the RIBA 0-7 plan of work, from project assessment to project delivery. We can help you with advice and guidance during the entire build process.
At Excela Architecture London we tailor our architect services to meet your project specifications and requirements.
The Excela Architecture group is a multidisciplinary group of residential architects. Our three offices in the UK are based in Cheshire, Cambridge and London. Together our team of expert architects have completed thousands of planning applications throughout the United Kingdom.