Senior Sustainability Consultant (BREEAM & Whole Life Carbon) £40,000 - £60,000+ (pro rata) | Part-Time | London (Hybrid - remote with Tuesdays in office) Overview Our client is a well-established building services consultancy with a strong reputation for delivering high-quality, sustainable design solutions across a range of sectors. Due to increasing workload and a continued reliance on outsourced support, they are now looking to bring in a part-time Senior Sustainability Consultant to strengthen their internal capability across key sustainability services. This role offers excellent flexibility, with a predominantly remote working arrangement, and a fixed team collaboration day in the London office every Tuesday. Benefits Competitive salary of £40,000 - £60,000+, depending on experience (Pro rata) Hybrid working with excellent flexibility (mainly remote with office based on Tuesday) Opportunity to join a highly respected consultancy with strong staff retention Clear progression and professional development opportunities Exposure to a wide range of projects across multiple sectors Opportunity to play a key role in shaping sustainability services The Role You will take ownership of key sustainability deliverables across live projects, with a focus on: BREEAM assessments (residential and non-domestic) Whole Life Carbon (WLCA) Circular Economy strategiesThis position is focused purely on core sustainability delivery, with no Building Physics requirement, allowing you to specialise in BREEAM, carbon, and circular economy work. You will help reduce reliance on external consultants by delivering key outputs internally and supporting project teams with sustainability input across design stages. Key Responsibilities Deliver BREEAM assessments from early stages through to certification Undertake Whole Life Carbon (WLCA) assessments and provide carbon reduction strategies Support and develop Circular Economy approaches across projects Work closely with engineers, architects, and clients to embed sustainability principles Provide technical input into project meetings and design coordination Support internal teams in reducing outsourced sustainability workload Ensure high-quality reporting and compliance with relevant standards Requirements Strong experience delivering BREEAM (residential and/or non-domestic) Proven experience in Whole Life Carbon (WLCA) assessments Good understanding of Circular Economy principles Ability to work independently and manage deliverables remotely Strong communication and coordination skills Experience within a consultancy or similar built environment setting preferred Additional Information Part-time role with flexible working structure Majority remote working, with Tuesdays required in London office Opportunity to reduce outsourced workload and take ownership internally Collaborative and established sustainability team Seem like an interesting fit? Apply today to take the next step