United Kingdom Accreditation Service, certifying your timber frame project is manufactured and erected to reliable and quality ISO 9001:2000 procedures SGS - Society General de Surveillance ensures that quality systems and procedures are used in the design, manufacture and erection of your engineered timberframe structure is of the highest standard FSC - Forest Stewardship Council - FSC Timber Frame certification. Benfield ATT hold Chain of Custody certification for the Design, Sales, Manufacture & Distribution of Engineered Timber Structures – FSC endorsed by Greenpeace, Friends of the Earth and WWF and EcoHomes Investors in People, Benfield ATT are one of a few timber frame companies to hold an award for the training and ongoing development of their people and service   Examples of timber frame homes

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Loft Conversions

Various of the components like Attic Trusses, Dormers, Roof-Lights, and Sun-Tubes are, of course, all ideally suited to creating extra space - often up to 60% of the existing area - by simply converting the roof space.

Benfield ATT Loft Conversion with Dormers

Benfield ATT Loft Conversion, South Wales

However, please remember that the structural components must be properly engineered. Also that each property is different and will usually require a professional survey to determine how the underlying structure can be adapted to cope with your extension.


We provide a full design, manufacture and erect service to help you and make your 'Loft Conversion' as simple and easy as possible.



For further information on what is recommended for your structure, call us on 01291 437 050, or click here to e-mail us your requirements, now.



Chartered Building Consultancy - timber frame, OSM (off-site manufacture) and engineered timber structure advisors. Timber Research and Development Association – our work with TRADA ensures high quality, eco-friendly engineered Timber Frame build projects. The Green Register of Construction Professionals - Benfield ATT's membership demonstrates our passion for environmentally sustainable timber frame self-builds, new homes, schools and social housing for local housing authorities AECB - Association of Environment Conscious Building – our FSC certified timber frame is endorsed by The Ecology Building Society Impact Upon Society Big Tick Award from Business in the Community – BITC – award-winning timber frame company within the Timber-frame industry TRA - Trussed Rafter Association – our membership assures Timberframe Trusses, Trussed Rafters, roofs and complex and innovative roofscapes are quality HBF - the only developer partnering timber frame company to be members of the House Builders Federation. Wales Quality Centre – members and committee members, we ensure the highest quality, especially when coupled with ISO 9001, FSC certification and Q-Mark Plus standards RICS - Royal Institute of Chartered Surveyors, assures our customers of our professionalism in wood and timber frame building and developing and surveying
Benfield ATT FSC-Certified Engineered Timber Structures do not cost the Earth.
Chain of Custody TT-COC-1928. FSC Trademark (C) 1996 Forestry Stewardship Council