Location: Hybrid (2–3 days in office) | Travel: As required Are you passionate about sustainable design and making a real impact in people’s homes? TSA Surveying is working alongside a leading multi-disciplinary consultancy that’s driving forward the UK’s decarbonisation and retrofit efforts. As their retrofit services continue to expand, they’re on the lookout for a skilled and qualified Retrofit Designer to strengthen their growing team. This is a fantastic opportunity to play a key role in improving energy efficiency and comfort in social housing, while contributing to the UK’s net-zero ambitions. What You’ll Be Doing Designing whole-house retrofit solutions in line with PAS 2035:2023, ensuring compliance, practicality, and high performance. Reviewing and translating Retrofit Assessment data—including condition surveys, ventilation reviews, and IOEs—into clear, actionable designs. Creating detailed technical documentation: from ventilation and airtightness strategies to material compatibility and step-by-step installation guidance. Evaluating heritage issues, structural constraints, and building limitations, recommending suitable solutions and mitigations. Performing U-value, condensation risk, and thermal bridge analyses to validate and optimise designs.What We’re Looking For A qualified architect with ARB or MCIAT accreditation. A background in architecture, building surveying, or building services engineering, with hands-on experience in domestic retrofit projects. Solid understanding of PAS 2035 and the Whole House Retrofit approach. Strong technical knowledge in: Fabric-first design principles Insulation and ventilation systems Moisture management and thermal detailing Proficient in Revit/CAD, Microsoft Office, and project platforms like AirTable. A confident communicator able to engage with clients, contractors, coordinators, and residents.The Offer Hybrid working model (2–3 days in the office) Opportunity to work on meaningful projects that directly improve people’s lives Supportive and collaborative team environment Competitive salary and benefits packageIf you’re a technically skilled designer ready to shape the future of housing and sustainability, we want to hear from you. Apply online now to join a purpose-driven team making a difference