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 020 7960 2589 or ejw@mattinsonpartnership.com.