Building Physics Consultant

Mattinson Partnership; City Of London; Remote; GBP 40,000 - 55,000; Full time

Job summary

A leading consultancy in Energy & Sustainability is seeking a Building Physics Consultant to deliver energy assessments and contribute to building performance improvements. This fully remote role offers the chance to work on meaningful projects and provides professional development opportunities. Ideal candidates should have qualifications in energy assessment and experience with dynamic thermal modelling tools, along with strong communication skills.

Benefits

Fully remote working

Flexible hours

Supportive consultancy team

Direct client involvement

Opportunities for development

Qualifications

• 2-4 years' experience in energy modelling, building compliance, or sustainability.
• Strong communication skills, especially in client-facing settings.

Responsibilities

• Deliver SAP assessments for new-build domestic dwellings.
• Conduct Dynamic Thermal Modelling to support Overheating Assessments.
• Produce EPCs and relevant planning/compliance documentation.
• Liaise with clients, architects, and design teams.
• Provide practical advice on energy performance and overheating mitigation.

Skills

OCDEA qualification

Dynamic Thermal Modelling tools (IESVE, DesignBuilder)

Overheating Assessments (TM59/Part O)

Communication skills

Digital and reporting skills (Excel, modelling tools)

Education

Relevant degree in Energy, Sustainability, Environmental Science, Building Services

Job description

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 (phone number removed) or click apply