Building Physics Consultant

Building Physics Consultant (Fully Remote) OCDEA / DTM / Overheating Assessments - I'm working with an award winning Energy & Sustainability consultancy that supports organisations in improving building performance, reducing carbon emissions, and achieving their net zero targets. They re a friendly, collaborative, and flexible remote-working team serious about their work and making a positive change. They re now looking for a Building Physics Consultant someone with strong experience in SAP assessments (OCDEA), Dynamic Thermal Modelling, and Overheating Assessments. This is an excellent opportunity for a technically capable and communicative professional who s passionate about sustainable design and wants to make a real impact on projects from day one. The Role As part of the technical team, you ll contribute to the delivery of energy and overheating assessments for residential and mixed-use developments across the UK. Your work will include SAP calculations, EPCs, and Dynamic Thermal Models to support Building Regulations compliance (Parts L and O), with regular client-facing responsibilities. You ll also help with light project coordination and internal communication to keep workstreams on track and contribute to improving processes and client experience. Key Responsibilities Deliver SAP assessments (OCDEA) for new-build domestic dwellings. Conduct Dynamic Thermal Modelling (DTM) to support Overheating Assessments (CIBSE TM59 / Part O). Produce EPCs and relevant planning/compliance documentation. Liaise with clients, architects, and design teams to collect inputs and present results. Provide practical, actionable advice on energy performance and overheating mitigation. Support colleagues with data collection, reporting, and client updates. Keep informed on changes to Building Regulations and best practices. Offer input into technical process improvements and team knowledge sharing. About You You ll be someone who is: Technically skilled, well-organised, and detail-oriented. A confident communicator, both written and verbal, with clients and colleagues. Professional and approachable, with the ability to clearly explain technical matters. Genuinely passionate about sustainable design and building performance. Comfortable working independently as part of a remote team. Skills & Experience Qualified OCDEA (On Construction Domestic Energy Assessor) essential. Experience with Dynamic Thermal Modelling tools (e.g. IESVE, DesignBuilder). Familiarity with Overheating Assessments (TM59 / Part O). 2 4 years' experience in energy modelling, building compliance, or sustainability. Relevant degree in Energy, Sustainability, Environmental Science, Building Services, or similar (preferred). Strong communication skills, especially in client-facing settings. Solid digital and reporting skills (Excel, modelling tools, technical documentation). What s on Offer Fully remote working (UK-based) with flexible hours. A supportive, collaborative consultancy team where your contribution is valued. Direct client involvement and technical ownership from the outset. Exposure to diverse, meaningful projects in energy performance and sustainability. Ongoing opportunities for development, learning, and progression. If this role aligns with your experience and interests, get in touch with Ethan Williams on or click apply.