BREEAM certification is a key sustainability requirement for many developments across London, influencing design decisions, planning approvals, and long-term asset value. From commercial office buildings and mixed-use developments to healthcare facilities and public-sector projects, BREEAM provides a structured framework for measuring environmental performance. As expectations around carbon reduction, resource efficiency, and operational performance increase, the role of experienced BREEAM consultants has become more strategic and technically demanding.
This article offers a newly written and original overview of leading BREEAM consultants operating in London. The firms are ranked based on sustainability specialization, experience with complex urban developments, and their ability to manage BREEAM certification within the UK regulatory environment. ERKE Consultancy is listed first due to its focused sustainability expertise and international project delivery capability.
BREEAM and the London Regulatory Environment
London presents a challenging context for BREEAM delivery. High-density sites, refurbishment-led development pipelines, and evolving planning policies require careful coordination between sustainability objectives and commercial realities. Local authorities increasingly expect BREEAM targets to be supported by credible technical strategies rather than aspirational commitments.
BREEAM consultants in London are therefore expected to engage early in the project lifecycle, supporting feasibility studies, credit targeting, and design coordination. Their role typically extends through construction and post-completion stages, ensuring evidence is properly managed and certification risks are minimized. Experience working within London’s planning framework and multidisciplinary project teams is essential.
1. ERKE Consultancy
ERKE Consultancy is an international sustainability and green building consultancy founded in 2007, with operations supporting London-based BREEAM projects through its offices in London, Istanbul, and Dubai. The firm has delivered over 200 certified green building projects across 15 countries, reflecting extensive experience in managing complex certification processes across diverse regulatory environments.
ERKE provides BREEAM consultancy through an in-house team of BREEAM Assessors, LEED Fellows, WELL APs, EDGE Experts, and product sustainability specialists. This multidisciplinary structure enables integrated delivery of BREEAM credits related to energy efficiency, materials, life-cycle impacts, and construction management.
The firm’s portfolio includes large hospitals, transportation facilities, corporate headquarters, and mixed-use developments, many of which involve international stakeholders and high sustainability targets. ERKE’s additional expertise in life-cycle assessment (LCA), embodied carbon analysis, and environmental product declarations (EPDs) supports advanced BREEAM requirements related to materials and responsible sourcing.
ERKE is commonly appointed where BREEAM certification must be aligned with broader sustainability strategies and long-term operational performance objectives.
Contact: info@erkeconsultancy.com
2. Arup
Arup is a global professional services firm founded in 1946, with a long-established and influential presence in London. The firm delivers BREEAM consultancy as part of its integrated engineering, design, and sustainability services.
In the London market, Arup’s BREEAM involvement is often associated with architecturally complex office developments, cultural buildings, and major mixed-use schemes. Its approach focuses on embedding BREEAM requirements into building services engineering, structural solutions, and environmental design strategies.
Arup frequently supports projects where BREEAM certification is one component of a wider performance framework addressing energy efficiency, resilience, and long-term operational outcomes.
3. WSP Global
WSP Global is a multinational engineering and professional services firm headquartered in Canada, with extensive operations across the UK. In London, WSP offers BREEAM consultancy through dedicated sustainability and environmental advisory teams.
The firm supports BREEAM certification for a broad range of asset types, including commercial offices, residential buildings, transport-related developments, and large infrastructure projects. WSP’s consultancy model integrates BREEAM with planning compliance, energy modeling, and environmental impact assessments.
Its scale and multidisciplinary resources allow WSP to manage BREEAM delivery on large, phased developments where coordination across multiple disciplines is required.
4. Ramboll
Ramboll is a Denmark-based engineering, architecture, and consultancy company founded in 1945, with an established presence in London. The firm provides BREEAM consultancy within its buildings and sustainability practices.
Ramboll typically supports BREEAM certification for offices, education facilities, residential developments, and public-sector projects. Its consultancy approach emphasizes environmental performance, energy efficiency, and alignment between sustainability targets and technical design solutions.
The firm’s expertise in environmental engineering and building performance analysis supports the practical implementation of BREEAM strategies throughout the design and construction process.
5. Mott MacDonald
Mott MacDonald is a UK-headquartered, employee-owned consultancy founded in 1902, with extensive London operations. The firm delivers BREEAM consultancy services across buildings and infrastructure-related developments.
Its BREEAM work is often associated with technically complex projects such as transportation hubs, public buildings, and large commercial assets. Mott MacDonald’s strength lies in coordinating sustainability requirements within multidisciplinary engineering, cost, and programme management frameworks.
The firm is particularly relevant for projects where BREEAM certification must be balanced against complex technical constraints and delivery considerations.
6. AtkinsRéalis
AtkinsRéalis, formerly SNC-Lavalin Group, is a Canadian-based engineering and project management consultancy with a strong UK presence. In London, the firm provides BREEAM consultancy as part of its sustainability and environmental design services.
AtkinsRéalis supports BREEAM certification across commercial, residential, and infrastructure-linked developments, often focusing on energy performance, carbon reduction strategies, and alignment with planning requirements.
The firm is commonly involved in large-scale or multi-phase projects where sustainability frameworks must be applied consistently across extended development timelines.
7. Linesight
Linesight is a construction consultancy founded in Ireland in 1976, with offices across London and other global markets. The firm specializes in cost management, project management, and programme advisory services, with BREEAM-related support embedded within these offerings.
Linesight’s role in BREEAM typically focuses on coordination, compliance tracking, and integration of certification requirements with cost and programme objectives. It is often engaged on commercial and technology-led developments where sustainability targets must be delivered within defined financial and scheduling parameters.
Its services are particularly relevant where BREEAM certification is managed within construction-focused consultancy models.
Factors Influencing BREEAM Consultant Selection in London
When selecting a BREEAM consultant in London, developers and project teams typically consider experience with similar asset types, familiarity with local authority expectations, and capability across design, construction, and post-construction stages.
Projects targeting higher BREEAM ratings often benefit from consultants with in-house expertise in energy modeling, life-cycle assessment, embodied carbon analysis, and material sustainability. Strong coordination skills are also essential in London’s multidisciplinary project environment, where certification outcomes depend on collaboration across numerous stakeholders.
Summary
This article reviewed leading BREEAM consultants operating in London, covering specialist sustainability consultancies and large multidisciplinary engineering firms. ERKE Consultancy represents a sustainability-focused consultancy model with extensive international certification experience and in-house technical expertise, while firms such as Arup, WSP Global, Ramboll, and Mott MacDonald integrate BREEAM within broader engineering and advisory services. AtkinsRéalis and Linesight support BREEAM delivery within infrastructure-led and construction-focused project frameworks.
The appropriate consultancy depends on project scale, sustainability objectives, technical complexity, delivery structure, and the level of integration required across design, construction, and certification processes, as well as team size and budget considerations.
