"CTT has delivered a superb building... successfully incorporating leading edge sustainable architecture into a contemporary building"
Nick Lawrence, Project Manager
Bucks County Council
"The personal commitment of time and energy that CTT bring to this commission is fully appreciated"
Nigel Sands, Ashton Court Project Manager
"Carefully considered work with the very best regard to maintaining the historic character of the building"
Historic Buildings Officer, Drakes Almshouses, Amersham
"We are all delighted with the result. Many people who visit the extension comment on how well it fits in with the surroundings and on the beauty of the interior"
Chris Deal, St Paul's Church, Chipperfield
"Janet Cotterell was recommended to us as an Architect with design flair. She has produced a building for us which has been widely appreciated for its style"
John Phillips, Client Representative for Rayners Lane Baptist Church
Copyright 2011
CTT - Award Winning Sustainable Architect
Recent Projects
From achieving the full Passivhaus low energy standard for a home in Devon, to an award winning community building in a highly sensitive historic setting.
Low Energy Design
Over the last ten years we have achieved significant energy and carbon savings for both homes and community buildings.
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Architects specialising in low energy design and Passivhaus
CTT Sustainable Architect is new name of Cotterell Thomas & Thomas LLP. We hope you like the new website where we'll be showing you all our latest work.
CTT's approach to architecture is to bring together design flair with a sustainable, low energy focus. Low energy building solutions are sometimes accused of lacking uplifting design - we believe both can be successfully achieved, producing low energy buildings that respond appropriately to their context (both physical and historical) and contain light, calm and uplifting spaces.
CTT prefer the use of natural, healthy materials and by designing using Passivhaus low energy principles our buildings will also be both comfortable and healthy for their occupants.
As CTT Sustainable Architect we often design community buildings, where our approach is to ensure flexible use by applying our technical low energy design knowledge. We ensure your building is robust and durable, appropriate for the next 60 to 100 years.
CTT work in a collaborative style, it is your building and your investment after all. We take the same team approach with all those involved in the building process, and especially aim to work closely with the chosen contractor.
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What is a Passivhaus?
Passivhaus: a building that uses about 90% less energy to heat while maintaining a comfortable indoor temperature and ensuring healthy indoor air quality, all year round.
Our design service is combined with the latest PHPP energy use modelling. PHPP is the only proven software that accurately calculates the energy savings achieved in low energy buildings.
This approach will optimise your build costs as well as deliver lifetime savings on your energy bills.
By working as an integrated team (see our new joint venture at www.passivhaushomes.co.uk) we are best placed to deliver quality, low energy and comfortable buildings.
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Featured Project: 11 Hunters Moon Totnes, Devon
This 1970's house reburbishment is a little different since it will be one of the first refurbishments of a UK building certified to the full Passivhaus standard.
Find out how the transformation is going on our client's "Passivhaus Refurb" blog here.
View more photos from the project here.
See an interview with our client on site, featured on BBC Spotlight, via YouTube.
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