Retrofit Designer
About Us
Apex Retrofit Consultants Ltd is an independent consultancy specialising in domestic energy efficiency and retrofit services across the UK.
We provide high-quality, reliable and cost-effective services to housing providers, local authorities, contractors and delivery partners.
Our business is built on three core principles: Quality, Value and Trust. We're committed to delivering a professional service, maintaining high technical standards and developing strong, lasting relationships with our clients.
As our business continues to grow, we're looking for a skilled Retrofit Designer to join our technical team.
The Role
As a Retrofit Designer, you will be responsible for developing detailed, PAS 2035-compliant retrofit designs for a range of domestic properties.
Working closely with Retrofit Coordinators and Assessors, you will translate assessment findings into practical, cost-effective specifications that meet client requirements and regulatory standards.
You will play a key role in ensuring our retrofit programmes deliver measurable improvements to energy performance while maintaining the integrity and safety of the building fabric.
Key Responsibilities
- Produce Retrofit Designs in accordance with PAS 2035 and relevant industry standards.
- Develop detailed specifications for fabric measures, heating, ventilation and other energy efficiency improvements.
- Review Retrofit Assessment reports and translate findings into compliant design solutions.
- Carry out or review RdSAP modelling to demonstrate the predicted energy performance of proposed measures.
- Assess and manage risks associated with retrofit measures, including moisture, overheating and ventilation.
- Produce clear, accurate and comprehensive design documentation and specifications.
- Liaise with Retrofit Coordinators, Assessors, clients and contractors throughout the design process.
- Ensure designs are practical, buildable and aligned with available budgets and programme requirements.
- Support post-installation review and sign-off processes where required.
- Comply with relevant health and safety requirements and company procedures.
About You
We're looking for a technically capable designer who takes pride in producing high-quality, compliant retrofit designs that make a real difference to the properties and people they serve.
You'll be detail-oriented, methodical and comfortable working across a range of property types and construction methods.
Above all, we're looking for someone who shares our commitment to Quality, Value and Trust.
Essential Requirements
- Retrofit Designer qualification or equivalent relevant technical qualification.
- Strong working knowledge of PAS 2035 and the retrofit standards framework.
- Experience producing retrofit designs for domestic properties.
- Understanding of building physics, fabric performance and moisture risk.
- Competence in RdSAP modelling and energy performance assessment.
- Excellent attention to detail and ability to produce accurate technical documentation.
- Strong communication skills and ability to work collaboratively within a project team.
- Good IT skills including use of design and modelling software.
- Full UK driving licence.
Desirable Experience
- Experience designing retrofit measures for large-scale domestic programmes under ECO, Warm Homes or similar schemes.
- Knowledge of traditional and non-traditional construction types.
- Experience working with social housing providers, local authorities or principal contractors.
- Familiarity with PAS 2030 and relevant Building Regulations.
- Experience using Elmhurst or other recognised energy assessment software.
- Knowledge of mechanical ventilation, heat pump systems and low-carbon heating technologies.
What We Offer
- Competitive salary based on qualifications and experience.
- Opportunity to join a growing independent retrofit consultancy.
- Supportive and professional working environment.
- Opportunities for professional development and further training.
- The chance to work on a varied portfolio of domestic energy efficiency and retrofit projects.
- Opportunities for career progression as the business expands.
- Company pension.
- Discretionary bonus.
Interested? Apply Now
Fill in the form below and we'll be in touch.
To apply for this role, please send an email to [email protected] including the following details:
- Full name
- Phone number
- Current location
- Covering message
- CV / résumé (attached to email)
We aim to respond to all applications within 5 working days.
Send application emailYour details will only be used in connection with this application and will be handled in accordance with our privacy policy.