🚀 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