ABOUT
XDA Consulting is a specialist sustainability and building physics consultancy supporting developers, architects, planning consultants and M&E teams across the UK.
Founded by Dr Dianne Bowles in 2016, XDA provides practical sustainability consultancy, BREEAM support and environmental modelling services that help projects meet planning, compliance and building performance requirements with confidence.
Our approach is built around making complex sustainability and compliance processes feel clearer, more manageable and easier to navigate for the wider project team.
MEET DR DIANNE BOWLES
Dr Dianne Bowles is a sustainability consultant specialising in building physics, thermal modelling, energy performance and sustainable building design.
With over 20 years of experience in environmental consultancy, Dianne has supported projects across healthcare, education, commercial, industrial, residential and mixed-use sectors, helping clients navigate complex sustainability and compliance requirements throughout the design and planning process.
Her expertise includes:
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BREEAM consultancy and BREEAM AP services
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Dynamic thermal modelling
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Daylight and sunlight assessments
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Overheating analysis (TM52, TM59 and Part O)
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Energy and low carbon assessments
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Climate-based daylight modelling
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Operational energy assessments
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Sustainable design consultancy
Dianne’s academic background includes:
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PhD in Innovative Wall-lining for Buildings Incorporating Phase Change Materials
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MSc in Phase Change Materials for Thermal Storage in Buildings
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BSc (Hons) in Technology and Management
She is also:
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A BREEAM Accredited Professional
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A BREEAM Assessor
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A Low Carbon Consultant (Design & Simulation)
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An Affiliate Member of CIBSE
CLEAR ADVICE. PRACTICAL SOLUTIONS.
At XDA Consulting, we understand that sustainability requirements, environmental assessments and compliance targets can quickly become overwhelming when multiple consultants, deadlines and planning requirements are involved.
Our role is not simply to produce technical reports.
We work closely with project teams to help simplify complex sustainability, BREEAM and building performance requirements, providing clear advice and reliable technical support throughout the process.
Whether supporting a planning submission, coordinating with the wider design team or carrying out thermal modelling and environmental assessments, our focus is always on helping projects progress as smoothly and efficiently as possible.
Clients often choose XDA because they value:
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Clear communication
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Practical advice
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Collaborative working
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Responsive support
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Reliable technical information delivered accurately and on time
We aim to make the process feel more straightforward for the wider project team while helping projects meet sustainability and compliance requirements with confidence.
XDA Consulting provides specialist sustainability and building physics consultancy across a wide range of sectors and project types.
Services include:
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BREEAM Assessments and BREEAM AP services
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Dynamic thermal modelling
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Part L compliance calculations
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TM52, TM59 and Part O overheating assessments
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Daylight, sunlight and overshadowing assessments
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Climate-based daylight modelling
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Energy Statements and Low/Zero Carbon Assessments
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TM54 operational energy assessments
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Whole life carbon assessments
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Sustainable design consultancy
This breadth of technical expertise allows XDA to support projects from early planning stages through to design development and delivery.
TECHNICAL EXPERTISE SUPPORTING SUSTAINABLE BUILDINGS
EXPERIENCE ACROSS MULTIPLE SECTORS
XDA Consulting has supported projects across healthcare, education, commercial, industrial, residential and mixed-use sectors.
Working alongside developers, architects, planning consultants and M&E teams, XDA provides practical sustainability advice and technical consultancy tailored to the individual requirements of each project.
Our experience across a broad range of developments allows us to understand both the technical and commercial pressures involved in delivering successful projects, while helping clients balance sustainability targets with practical project outcomes.