STBA Members

STBA Members

Our members are representatives of leading organisations from Heritage, Sustainability & Industry, influence key policy developments and feed into policy debate in our Advisory Group. Join us


Founded by Cameron Scott and Caroline Rye. Through methods of physical measurement and monitoring, their intention is to improve understanding of the actual performance of buildings. They specialise in measuring heat and moisture behaviour but are also able to measure many other aspects of performance Archimetrics

Between Time Ltd

Established in 1984, they first developed a reputation for conserving and extending the timber framed properties that are prevalent in our historic area of East Hertfordshire. Today, their portfolio of work has expanded considerably and are now regularly working with Conservation Architects, Historic England, the National Trust, Churches, Public Authorities and the private owners of Grades I, II* and II listed buildings Between Time

Earth Blocks

Earth Blocks UK is a Cornish company who pride ourselves on the fact that they are the only company in the UK manufacturing shaped cob blocks and cob bricks. They source the purest soils from all over Cornwall ensuring crucial clay content is present and that the soils are free of contamination from construction waste, historic mining impurities Earth Blocks

Ecological Building Systems

EBS achieve ‘Better Building’ by adopting a ‘Fabric First’ approach to design, with the use of more natural materials to optimise building performance and durability. They deliver quality products with full technical support Ecological Building Systems

Environment Study Centre

ESC provide training and qualifications in subjects primarily focused on the built environment and based on the latest knowledge, developments and best practice. They develop qualifications, deliver CPD courses and their team has contributed to many of the standards that qualifications are based on today Environment Study Centre

Greenguage Energy Consultants

Greenguage are experts developing high performing building envelopes – allowing them to provide a wide range of thermal analysis services. They use state of the art software to model 2D and 3D heat flow problems & have developed tools to run thermal models.Their focus is on a ‘fabric first’ approach, tailored to the project, which can range from a quick check of a wall build-up to a full whole building energy model Greenguage


The IHBC is the professional body for building conservation practitioners and historic environment experts working in England, Northern Ireland, Scotland and Wales, with connections to the Republic of Ireland. The Institute exists to establish, develop and maintain the highest standards of conservation practice, to support the effective protection and enhancement of the historic environment, and to promote heritage-led regeneration and access to the historic environment for all IHBC

Janus Conservation

Janus Conservation Ltd is a specialist heritage consultancy and historic building surveying practice with offices in both Thame, Oxfordshire, and London. The company has an experienced team of highly qualified professionals led by Rupert Hilton, a conservation-accredited surveyor with both the Royal Institution of Chartered Surveyors (RICS) and the Chartered Institute of Building (CIOB) Janus Conservation

Oxley Conservation

Oxley Conservation is an historic buildings consultancy established in 1997 by Richard Oxley, a qualified Chartered Surveyor. They are dedicated to sustaining traditional buildings and offer a broad spectrum of consultancy services to owners and custodians of all types of old buildings which go beyond traditional building surveys and encompass project management, specification and supervision of conservation repairs, design, environmental assessments as well as planning, listed building and grant funding applications Oxley Conservations

Prewett Bizley Architects

Award winning Prewett Bizley Architects produce inspiring, energy-efficient buildings with a sensitive approach to context. They utilise a ‘fabric first’ approach, with extensive experience in delivering sustainable new-build and retrofit projects Prewett Bizley Architects

Retrofit Works

A not-for-profit cooperative who offers its services at the lowest possible cost to further their mission to lower energy bills, Retrofit Works create healthy homes through energy efficiency and retrofit schemes Retrofit Works

Tywi Centre

The award winning team at the Tywi Centre have supported people with the care and repair of old buildings through their CPD traditional building skills to all custodians of old, pre-1919 buildings across the nation Tywi Centre